Characterize the slope of the line in the graph

Both 3 and 6 cups of sugar are used.

Area is the total amount of space that an object's shape or a flat (2-D) surface occupy.

Create a square on paper by using a pencil. Tw dimensions make it up. A shape's area on paper is the space it takes up.

Imagine that your square is made up of smaller unit squares.

The area of a figure is equal to the number of unit squares required to completely cover the surface area of a particular 2-D shape. Square cms, square feet, square inches, square meters, etc. are a few common units for measuring area.

To get the area of the square figures presented below, draw unit squares with 1-centimeter sides. Therefore, the shape will be measured.

According to our question-

2 cups of flour and 1 cup of sugar

Add the sugar and flour together for three cakes.

2 cups of wheat and 1 cup of sugar equals 3.

6 cups of flour and 3 cups of sugar

Hence, Both 3 and 6 cups of sugar are used.

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Answer:

(a) 21, 22, 23

(b) 11, 13, 15

Step-by-step explanation:

Natural numbers are the set of numbers 1, 2, 3... Not numbers that we think of as fractions or decimals or negative numbers.

Let x = the first number

Let x+ 1 = the second number

Let  x+ 2 = the third number

x + x+ 1 + x + 2 = 66  Combine like terms

3x + 3 = 66  Subtract 3 from both sides

3x = 63  Divide both sides by 3

x = 21

Check:

21 + 22 + 23 = 66

Let x + the first number

Let x + 2 = the second number

Let x + 4 = the thirds number

x + x + 2 + x + 4 = 39  Combine like terms

3x + 6 = 39  Subtract 6 from both sides

3x = 33  Divide both sides by 3

x = 11

Check:  11 =+ 13 + 15 = 39

Answer:

A(-3,4)

Step-by-step explanation:

The solution of the inequality y < 2x + 3 will be;

⇒ (3, 0)

What is Inequality?

A relation by which we can compare two or more mathematical expression is called an inequality.

Given that;

The inequality is,

⇒ y < 2x + 3

Now,

Since, The inequality is,

⇒ y < 2x + 3

Hence, The solution of the inequality is,

For point (- 3,4);

⇒ y < 2x + 3

⇒ 4 < 2 × - 3 + 3

⇒ 4 < - 3

Which is not true.

For point (3,0);

⇒ 0 < 2x + 3

⇒ 0 < 2 × 3 + 3

⇒ 0 < 9

Which is true.

Thus, The solution of the inequality y < 2x + 3 will be;

⇒ (3, 0)

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The method which result into more money after 2 years is Peggy method of saving at 6% interest rate and compounded monthly.

Larry:

A = P(1 + r/n)^nt

A = 350.00(1 + 0.04/4)^(4×2)

A = 350.00(1 + 0.01)(8)

A = $379.00

Peggy

A = P(1 + r/n)^nt

A = 350.00(1 + 0.06/12)^(12×2)

A = 350.00(1 + 0.005)(24)

A = $394.51

Therefore, Peggy has more money than Larry after two years.

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Answer:peggy account brings in more money after two years.

Step-by-step explanation:

LarryA=P(1 + r/n)^nt

A=350(1+0.04/4)^(4)(2)

A=350(1.01)^8

A=378.999

Peggy

A=P(1 + r/n)^nt

A=350(1+0.06/12)^(12)(2)

A=350(1.005)^24

A=394.505

So Peggy’s account brings in more money after two years.

Answer:

x=-24

Step-by-step explanation:

you would solve for x

1) multiply the equation out

2) put x on one side by subtracting and adding on each side (make sure to balance it out)

3) divide or multiple by the number on the number on the x

5/2x + 8 - 3/2x + 12 = -4

5/2 x - 3/2 x  + 8 + 12 = -4

x + 20 = -4

x = -24

A: The percentage of respondents who like hamburgers but dislikes burritos is 46.34%

B: Marginal relative frequency  of all who like hamburgers is 0.65.

C:Lowest joint frequency is of the respondents who like both.

The word "relative" is used to describe how something is being viewed in connection to or in comparison to another event. How frequently an event occurs can be determined by looking at its frequency. On the other hand, relative frequency is a means to compare the frequency of a specific event to all other occurrences.

The ratio of the total number of events occurring in a scenario to the number of times an event occurs is known as relative frequency.

Two facts must be known in order to determine the relative frequency:

>>Number of total events/trials

>>Frequency count for a category/subgroup

                             Like Ham↓  Does Not Like Ham    Total↓

Likes burritos →                 39           38                         77

Does not like burritos →    95           33                        128

Total →                               134           71                        205

So, according to the above table, a total of 77 customers like burritos, out of which 38 do not like hamburgers, hence, the remaining 39 like Hamburgers.

A total of 128 customers do not like burritos, out of which 95 do like hamburgers, hence, the remaining 33 do not like Hamburgers.

A total of 134 customers like hamburgers, but 71 do not like it, hence, the total respondents are 205.

A:

Total people who liked hamburgers are 134 and those who doesnot like burritos and liked hamburgers are 95 and the total people participated in the survey are 205.

So the percentage of people is [tex]\frac{95}{205}*100[/tex] = 46.34%

B:

The marginal relative frequency is nothing but total people who like hamburgers out of the total respondents.. which is

[tex]\frac{134}{205}[/tex] = 0.65

C:

The category that has lowest joint relative frequency is

Case 1:

Likes both burritos and hamburgers:

[tex]\frac{39}{134}=0.29[/tex]

Likes burritos and dislikes hamburgers:

[tex]\frac{38}{71} = 0.53[/tex]

Likes hamburgers and dislikes burritos:

[tex]\frac{95}{134} = 0.71[/tex]

Who dislike both are:

[tex]\frac{33}{71}=0.47[/tex]

So the category which lowest joint frequency is Likes both burritos and Hamburgers.

A: The percentage of respondents who like hamburgers but dislikes burritos is 46.34%

B: Marginal relative frequency  of all who like hamburgers is 0.65.

C:Lowest joint frequency is of the respondents who like both.

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Answer:

look at the link so you can get the straight up answers



Step-by-step explanation:

I did the same test got it all right

PLS give BRAINLIST mean the world

The standard form of the parabola is   x = -4/3y² -40/3y -103/3

What is parabola?

A parabola is an approximately U-shaped, mirror-symmetrical planar curve in mathematics. It corresponds to a number of seemingly unrelated mathematical descriptions, all of which can be shown to define the same curves. One way to describe a parabola is with a point and a line.

 x = -4/3(y +5)² -1

Solve for x.

 x = (4y² +40y +103)/(-3)

 x = -4/3y² -40/3y -103/3 . . . . 'standard form' in the US

__

Taking our clues from the graph*, we can write the vertex form equation as ...

 x = -4/3(y +5)² -1 . . . . . . 'standard form' in other places

____

* The vertex is (-1, -5), so for some leading coefficient, the equation will be ...

 x = a(y -(-5))² +(-1) = a(y +5)² -1

The value of 'a' is the scale factor. Here, that is the difference between the parabola value (x = -2 1/3) and the vertex value (x = -1) one unit away from the vertex.

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The required proportional relationship between y = 4x, where, x it time and y is the total number of pages.

Given that,

Bill writes 4 pages per hour. The total number of pages written proportionally to the number of hours spent to be justified.

Proportionality is defined as between two or more sets of values, and how these values are related to each other in the sense are they directly proportional or inversely proportional to each other.

here,
let the number of pages written in x hours be y,
According to the question,
y = 4x

Thus, the required proportional relationship between y = 4x, where, x it time and y is the total number of pages.

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Answer:

>:)

Step-by-step explanation:

200 purses, 8 hours

200/8 = 25

25 purses per hour!

Pls mark me as brainliest and give me 20 points I need it :) Hope this answer helped!!

Answer: The Factory manufactures 25 purses per hour

Step-by-step explanation:

200 purses / 8 hours

25 purses per hour

Here the correct answer is (8,4) means option B.

Given equations are,

y=x-4 -----------------(1)

y= -0.5x+8-----------(2)

Option A.(4,2): If we put x=4 in equation one then y=0 which does not satisfy equation 2.

Option B.(8,4): If we put x=8 in equation one then y=4 and which satisfies equation 2.

Option C.(2,4): If we put x=2 in equation one then y=-2 which does not satisfy equation 2.

Option D.(4,8): If we put x=4 in equation one then y=0 which does not satisfy equation 2.

Therefore the solution of the equations y=x-4 and y=-0.5x+8 is (8,4) which is option B.

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The measure of the given angle ∠BDC or x is 55°.

An angle is a figure in plane geometry that is created by two rays or lines that have a shared endpoint.

The Latin word "angulus," which means "corner," is the source of the English term "angle."

The shared terminus of two rays is known as the vertex, and the two rays are referred to as sides of an angle.

The names of fundamental angles include acute, obtuse, right, straight, reflex, and full rotation.

A geometrical shape called an angle is created by connecting two rays at their termini.

In most cases, an angle is expressed in degrees.

So, we know that:

∠ABC = 80°

∠ABD = 25°

∠BDC = x°

Calculate for ∠BDC:

∠ABC - ∠ABD = ∠BDC

80 - 25 = x

x = 55°

Therefore, the measure of the given angle ∠BDC or x is 55°.

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Triangles are shapes that have a total angle measurement of 180°.

To find this answer, add the measures of all the angles and set the equation equal to 180:

(x + 4) + (2x − 11) + (3x + 25) = 180

NOW SOLVE FOR X!

x + 4 + 2x − 11 + 3x + 25 = 180

18 + 6x = 180

6x = 162

x = 27

Now plug 27 into the equation for m∠B:

m∠B = (2x − 11)

m∠B = 2(27) − 11

        = 54 - 11

m∠B = 43

Answer:

D

Step-by-step explanation:

The account balance(i.e. compound amount) will be $5706.84 after 28 years.

What is daily compounded interest?

Daily compounded interest is defined as an interest that is accrued daily and is computed by charging interest on principal plus interest earned daily. Due to the frequent compounding, daily compounded interest is higher than interest compounded on a monthly or quarterly basis.

Given, Principal = $2834

the annual rate = 2.5% = 0.025

time = 28 years

For compounded daily, n = 365

Now, the compound amount is calculated by

[tex]A = P(1 + \frac{r}{n} )^{nt}[/tex]

or, A = [tex]2834(1 + \frac{0.025}{365} )^{365*28}[/tex]

A = $5706.84

Hence, the account balance will be $5706.84 after 28 years.

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Answer:

28.26

Step-by-step explanation:

A=3.14r^2

A=3.14(3)^2

A=3.14(9)

A=28.26

Answer: 28 cm

Step-by-step explanation: Area=π·r² and diameter =2r

So if we need to  find what our radius is. As shown by d=2r our radius is 1/2 our diameter. If our diameter is 6cm our radius is 3cm.

Now plug 3cm into A= 2πr²⇒ A= 2(3.14)(3²) = 28.26

Now round to the nearest whole number ⇒ 28.

The dimensions of a building to be fenced off around a rectangular parcel of land are 10.5 meters and 21 meters.

The Latin word rectus, which meaning "right" or "straight," is the source of the English word "rectangle." The straight sides of a rectangle are a result of its right angles. Rectitude, which refers to moral uprightness, is another term with the same root.

Explanation:

The size of a rectangle

lw = area of rectangle

where,

= length

= width

Thus, perimeter equals 2w plus l.

42 = 2w + l

l = 42 - 2w

Hence,

area = w (42- 2w)

180 = 42w - 2w²

-2w² +42w - 180 = 0

-w² + 21w - 180 = 0

The following is where to find the dimension w;

w = - b / 2a

where

a = -1

b = 21

w = - 21 / 2 × -1

W=10.5 meters.

Then,

l = 42 - 2w

l = 42 - 2(10.5) (10.5)

l=21 meters .Consequently, the measurements are 10.5 meters and 21 meters.

The dimensions of a building to be fenced off around a rectangular parcel of land are 10.5 meters and 21 meters

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Answer:

another root=-2,c=-106

Step-by-step explanation:

let q and r be two roots of eqn 10x²-33x-c=0,--(1)

then,q=5.3

comparing eqn--(1) with ax²+bx+c=0,we get

a=10,b=-33,C=-c

we know,

q+r=-b/c

or,5.3+r=33/10

or,53+10r=33

or,10r=-20

or,r=-2

hence, another root=-2

again,we know

q×r=-C/a

or,5.3×-2=c/10

or,-106=c

hence,c=-106.

The completed table of Ehecatl's hair length before the haircut is

Length (cm)       Percentage

 12                         60% of Ehecatl's old hair

  4                         20% of Ehecatl's old hair

 20                        100% of Ehecatl's old hair

The complete question is added at the end of this solution and as an attachment

From the question, we have the following incomplete table that can be used in our computation:

Length (cm)       Percentage

                          60% of Ehecatl's old hair

                          20% of Ehecatl's old hair

                         100% of Ehecatl's old hair

The first step is to determine the length of her hair before she cut it

The equation to calculate the new length of the hair after the cut is represented as

New length = Length of the hair before it was cut * Percentage

Substitute the known values in the above equation

So, we have the following representations

At 60%: 60% x 20 = 12cm

At 20%: 20% x 20 = 4cm

At 10%: 100% x 20 = 20cm

So, the missing values are 12 cm, 4 cm and 20 cm

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Complete question

The tape diagram shows that Ehecatl's hair, which is now 12cm long is 60% as long as it was before his haircut.

Complete the table to show different percentages of Ehecatl's hair length before the haircut.

When the average distance from Jupiter to the Sun is about 5 x 10^8 miles and the average distance from Venus to the Sun is about 7 x 10^7 miles. The average distance from Jupiter to the Sun is about 7.1 as great as the average distance from Venus to the Sun.

The distances is compare using the mathematical operation called division,

the procedure is done as follows

= (The average distance from Jupiter to the Sun) / (The average

distance from Venus to the Sun)

= 5 x 10^8 miles / 7 x 10^7 miles.

= 7.14285

= 7.1

the comparison showed that the distance from Jupiter to Sun is 7.1 times greater than the distance form Venus to Sun

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Answer: The final answer is 6

Step-by-step explanation: 2 x (x+5) = 6

A time of 40.7 minutes is taken for 170 grams of element X to decay to 5 grams.

What is radioactive decay?

The release of energy in the form of ionizing radiation occurs during radioactive decay.

                       Ionizing radiation can harm DNA in genes and tissues because it can affect the atoms in living things.

We know that decay behaves exponentially and follows this model

   [tex]m(t) = m_{0} . e^{t/T} \\[/tex]

The time constant can be described in terms of half-life (t1/2), in minutes, through the following expression

     T =  t1/2 /In2

If we know that t1/2 = 8 min , m₀ = 170g and m(t) = 5g then the time needed for the decay is:

τ ≈ 11.541 min

   t = -τ .In m(t)/m₀

t ≈ 40.698 min

A time of 40.7 minutes is taken for 170 grams of element X to decay to 5 grams.

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Thus, the mass of the frog is 48.6π grams when it is in a hemispherical pod which just floats without sinking into sea water.

The force imposed on a body by a fluid, such as water or air, in which the body is submerged or immersed is known as buoyancy. This force is equivalent to the mass of the fluid that the body has displaced. In mathematics, buoyancy is defined as the sum of the fluid density, gravitational acceleration, and body volume. Archimedes' principle, which asserts that the buoyant force on an item is equal to the weight of the fluid it displaces, is a name for this connection. A key idea in the study of fluid mechanics, buoyancy has many uses, including the construction of boats, planes, and other floating structures.

How to solve?

V = 2/3 * π * r^3,

V = 2/3 * π * 6^3 = 2/3 * π * 216 = 36π.

F = V * d,

F = 36π * 1.35g/c * m^3 = 48.6π g.

F = m + W,

48.6π g = m + 0 g.

m = 48.6π g.

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Answer: give me brainliset

(

X

>

42

)

=

P

(

Z

>

−

1.1429

)

=

1

−

P

(

Z

<

1.1429

)

=

1

−

Φ

(

1.1429

)

=

1

−

0.8729

(from tables)

=

0.1271

Step-by-step explanation:

The probability that an electron will tunnel through a 0.50 nm air gap from a metal to a STM probe if the work function is 4.0 eV is 3.4 × 10^-5

The air gap from a metal to a STM = 0.50 nm

The work function = 4.0 eV

The probability is the ratio of the number of favorable outcomes to the total number of outcomes

The probability = Number of favorable outcomes / Total number of outcomes

The value of η = h / [tex]\sqrt{2m(U_0-E)}[/tex]

Substitute the values in the equation

= [tex]\frac{1.05(10^{-34})}{\sqrt{2(9.11(10^{-31})(4(1.6)(10^{-19})} }[/tex]

Do the arithmetic operation

= 0.0972 nm

The probability = exp (-1 / 0.972)

= 3.4 × 10^-5

Therefore, the probability is 3.4 × 10^-5

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Answer:

Yes, you're right.

Step-by-step explanation:

Just by doing the math, 0.27 times 35 is 9.45.

Plugging it in a calculator also says it's 9.45.

The number is 320 and 80 % of the number is 256

What is an Equation?

Equations are mathematical statements with two algebraic expressions flanking the equals (=) sign on either side.

It demonstrates the equality of the relationship between the expressions printed on the left and right sides.

Coefficients, variables, operators, constants, terms, expressions, and the equal to sign are some of the components of an equation. The "=" sign and terms on both sides must always be present when writing an equation.

Given data ,

Let the equation be represented as A

Now , the equation A is

65% of a number is 208 and 15% of the same number is 48

So , 65% of n = 208   be equation (1)

15% of n = 48   be equation (2)

Now , on simplifying the equations , we get

( 15 / 100 ) x n = 48

15n/100 = 48

Multiply both sides by 100 . we get

15n = 4800

Divide by 15 on both sides of the equation , we get

n = 320

The number n can also be determined by

( 65% - 15% ) of n = 208 - 58

50 % of n = 160

So , 100 % on n = 160 x 2

n = 320

Therefore , the number n is 320

Now , the 80 % of the number n is A = 80/100 x 320

A = 320 x 0.8

A = 256

Therefore , the value of A is 256

Hence , The number is 320 and 80 % of the number is 256

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send a picture so i know what its asking for

The value of x= 93/11 and y=-155/11 when the system of equation are 10x+ 6y=0 and 7x+ 2y=31.

Given that,

The system of equation are 10x+ 6y=0 and 7x+ 2y=31.

We must resolve the equation system.

We know that,

Take the system of equations.

10x+ 6y=0 ------>equation(1)

7x+ 2y=31 ------->equation(2)

Multiply 3 to the equation(2) and subtract with equation(1)

3×(7x+ 2y=31)

21x+ 6y=93

10x+ 6y=0

-----------------         (subtract)

11x+0=93

11x=93                 (divide)

x=93/11

Substitute x=93/11 in equation(1)

10(93/11)+6y=0

930/11+6y=0

6y=-930/11

y=-155/11

Therefore, The value of x= 93/11 and y=-155/11 when the system of equation are 10x+ 6y=0 and 7x+ 2y=31.

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