In one year, a school uses 11,280 pieces of white paper, 3,580 fewer pieces of blue paper than white paper, and 3,600 fewer pieces of yellow paper than blue paper. how many pieces of paper does the school use in all?

Answer:

x = 28°

Step-by-step explanation:

using the cofunction identity

cos x = sin(90 - x) , then

cos62° = sin(90 - 62)° = sin28°

Answer:

140

Step-by-step explanation:

Answer:

12+24÷(2^2+8)

Step-by-step explanation:

that should be the answer

if you struggle with questions that are like this use trial and error

keeping in mind that perpendicular lines have negative reciprocal slopes, let's check for the slope of the equation above

[tex]2x+3y=21\implies 3y=-2x+21\implies y=\cfrac{-2x+21}{3} \\\\\\ y=\cfrac{-2x}{3}+\cfrac{21}{3}\implies y=\stackrel{\stackrel{m}{\downarrow }}{-\cfrac{2}{3}}x+7\qquad \impliedby \begin{array}{|c|ll} \cline{1-1} slope-intercept~form\\ \cline{1-1} \\ y=\underset{y-intercept}{\stackrel{slope\qquad }{\stackrel{\downarrow }{m}x+\underset{\uparrow }{b}}} \\\\ \cline{1-1} \end{array}[/tex]

well then, that simply means that

[tex]\stackrel{~\hspace{5em}\textit{perpendicular lines have \underline{negative reciprocal} slopes}~\hspace{5em}} {\stackrel{slope}{\cfrac{-2}{3}} ~\hfill \stackrel{reciprocal}{\cfrac{3}{-2}} ~\hfill \stackrel{negative~reciprocal}{-\cfrac{3}{-2}\implies \cfrac{3}{2}}}[/tex]

Answer:

x=20 degrees

I did what your teacher did down there; I added all the exterior angles and set them equal to 360°

Just combined the like terms and got the answer!

*3x + 4x + 3x = 10x

12 - 10 - 2 = 0

90 + 70 = 160

Put them "as an equation": 10x + 160 = 360

Get rid of what's surrounding the x, so subtract 160 from both sides.

10x = 200

To get rid of whats beside the x *again*, divided 10x by 10 on both sides.

x = 20

Before the drawbridge starts to open, the horizontal component of the friction force f⃗ is zero (0)

The horizontal component of the friction force is the counter force that must overcome the friction force for a body to slide or move.

When the dancer is standing still on the drawbridge, the only force on the dances is the normal force exerted by the bridge. Thus, the horizontal frictional force acting on the dancer

This is given by:

[tex]f_{horizontal} =0[/tex]

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Answer:£7.80p

Step-by-step explanation:

To find 10% you would divide 13.00 by 10 which would give you 1.30.You then times that by 4 and the answer (£7.80)would be 40% off

Hope that Helps!!

By understanding the definition of a direct variation model, the constant of variation of the expression y = - (12 / 11) · x is - 12 / 11.

In the statement we find a linear model of the form y = r · x, which represents a linear variation model, that is, a model where the variable x is directly proportional to the variable y and r is the constant of variation.

Graphically speaking, linear variation model represents a line whose intercept is at the origin. A representation of the expression y = - (12 / 11) · x is shown in the image attached below.

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Answer:

x=4.6

Step-by-step explanation:

Because we are finding C, first use the distributive property.

33-(2c+4)=2(c+7)+c can turn into:

33-2c+4=2c+14+c

Now, combine like terms.

33+4=37

2c+c=3c

Now you are left with:

37-2c=3c+14

Now, add 2c on both sides.

37=5x+14

Next, subtract 14 on both sides.

37-14=23

23=5x

Finally, divide by 5 on both sides

x=4.6

The correct answer in the standard form or notation of the given number is 2.1105 x 10^6.

How to write the standard notation?

In mathematics, the standard form or the standard notation of a number can be written as the power of ten by putting the decimal in the calculated number. And these numbers can be written in certain rules.

According to the question, to convert the decimal number to standard form by removing the decimal from the given number.

The required expression can be written as"

2.01 x 105 = 201 x 100 x 105 = 21105 x 10²

Hence, the correct answer in the standard form or notation of the given number is 21105 x 10².

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Answer:

Step-by-step explanation:

25percent of what number is 18

18 : 25 = 0.72

0.72 * 100 =

72%

18 * 4 =

72%

Answer:0.5

Step-by-step explanation:

Answer:

I will answer this asap give me a few mins

Step-by-step explanation:

nun yet

Answer:

x = c/2 + d

Step-by-step explanation:

Answer:

-6x+8

Step-by-step explanation:

-2(3x-4)

-2(3x)-2(-4)

-6x+8

Answer: what’s the question? :D

Step-by-step explanation:

A card is drawn randomly from a standard 52-card deck. then the probabilities are a) 1/13 b) 3/13 and c) 10/13

There are four 3's in the deck. This means that, from 52 possible cards to drawn, we have 4 chances of drawing a 3. This means that the probability will be:

p = 4/52

p= 1/13

b.

For every suit, there are three face cards, J, Q and K. There are 4 suits, so, the total number of face cards its:

4*3 =12

The total possible cards are, still, 52, so, the probability will be

p= 12/52

p=3/13

c.

We know that the card drawn must be a face card, o not being a face card. There is no third choice here. So, the probability of drawing a face card OR not drawing a face card its:

p=52/52

p=1

so

p( the card is a face card ) + p( the card is not a face card) =1

but, we know that

p( the card is a face card ) =3/13

so

p( the card is not a face card) =1- 3/13

                                                 = 10/13

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Answer: l=67ft

Using the formula

A=wl

Step-by-step explanation:

Solving

l=A

w=3752

56=67ft

Answer:

Step-by-step explanation:

[tex]y^2-10y+30=\\y^2-2(y)(5)+5^2-5^2+30=\\(y-5)^2-25+30=\\(y-5)^2+5[/tex]

[tex](y-5)^2\geq 0\\\Rightarrow\ (y-5)^2+5 > 0\\Thus,\ y^2-10y+30 > 0[/tex]

Kelly multiplied big number with a calculator. 3.15e-15 number on calculator means or 3.15e-15 in standard form is: 0.00000000000000315.

Given that,

Kelly multiplied big number with a calculator.

We have to find the standard form of 3.15e-15.

3.15e-15 is written in scientific notation, often called standard form. used to express big or tiny numbers differently.

3.15 = coefficient

e = 10 to the power of

-15 = exponent

We get, The standard form as

= 3.15e-15

= 3.15 × [tex]10^{-15}[/tex]

= 0.00000000000000315

Therefore, 3.15e-15 number on calculator means or 3.15e-15 in standard form is: 0.00000000000000315

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Answer:3,500,000,000,000,000

Step-by-step explanation:

3.5x10^15=3,500,000,000,000,000

The equation for the linear model in the scatter plot obtained by choosing

the two points closest to the line is  y = - 2x + 4

The equation for the linear model in the scatter plot obtained by choosing

the two points closest to the line can be solved as follows:

The two point closest to the line are as follows:

(2, 0)(1, 2)

Using the linear equation,

y = mx + b

where

Hence,

m = 2 - 0 / 1 - 2

m = 2 / - 1

m = -2

Therefore, the y-intercept using (2, 0) will be as follows:

0 = -2(2) + b

b = 4

Hence, the equation for the linear model  is y = - 2x + 4

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Recall that, when two terms are being multiplied and they have the same number we can add the exponents:

Applying the above property to the given expressions, we get:

Simplifying the above results, we get:

Answer:

Answer:

C

D

1,2,3,4,5,6 And 7

Step-by-step explanation:

1.  By the nature of triangles, the sum of the two sides has to be greater than the third and the difference between two sides has to be less than the third side.

A. 5+6=11   Wrong

B. 1+3<5     Wrong

C. 5+16>20     Right

    16-5<20

D.7+7=14        Wrong

2. Two sides of a Triangle are 15 and 8

 A. 8+9>15         15-8<9       Can

 B. 8+13>15        15-8<13      Can

 C. 15+8>21        21-8<15      Can

 D. 15+8<25       Cannot

3.  According to the Trilateral Relation of Triangle

Let's say the length of the third side is X       (X≠Z)

i. 4-4<x         x>8            0<X>8     (X≠Z)

 4-4>x          x<8      

i. In 0,1,2,3,4,5,6,7,8,9,10

  X could be 1,2,3,4,5,6, and 7

TRIANGLE

A triangle is a three-sided polygon that is sometimes (but not always) referred to as the trigon.

Each triangle has three sides and three angles, with some of the angles being the same.

In the case of a right triangle, the side opposite the right angle is known as the hypotenuse, while the other two sides are known as the legs.

Trilateral Relationship of Triangle

A trilateral is a shape with three sides in geometry. 'Of trilateral figures, an equilateral triangle is one with three equal sides, an isosceles triangle is one with two equal sides, and a scalene triangle is one with three unequal sides.'

Triangle Inequality

The triangle inequality asserts that the sum of the lengths of any two sides of a triangle must be larger than or equal to the length of the remaining side in mathematics.

The condition of the triangle's sides

According to the triangle inequality, the lengths of any two triangle sides must be more than or equal to the length of the third side. Only a degenerate triangle with collinear vertices can have that total equal to the length of the third side.

If and only if the side lengths satisfy the triangle inequality, a triangle with three given positive side lengths exists.

The number of bags of blueberries and grapes that Mr. Rodriguez can make is 10.

If the number of blueberries and grapes in the bags of snacks would be the same, the common factor of 20 and 30 have to be determined.

A factor is a number that divides another number evenly. For example, a factor of 200 is 10. A common factor is a factor that two or more number share. For example, a common factor of 10 and 20 is 5.

Factors of 20 = 1, 2, 4, 5, 10, 20

Factors of 30 = 1, 2, 3, 5, 6, 10, 15, 30

Common factors = 1, 2, 3, 10

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Answer:10 bag thank i m smart

Step-by-step explanation:

The nth term in the sequence 3,9,15,21 will be 3 + 6(n - 1).

It should be noted that a sequence simply means the order in which a particular thing happens or takes place.

From the information, four term in the sequence are given as 3,9,15,21 and we want to find the nth term. It should be noted that this is an arithmetic sequence.

The formula is illustrated as:

= a + (n - 1)d

where a = first term = 3

common difference = 9 - 3 = 6

The nth term will be:

= 3 + (n - 1)6

= 3 + 6(n - 1).

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Four term in the sequence 3,9,15,21. Find the nth term

The quantity [tex](6\sqrt{x^5})^7[/tex] is transformed, into an expression with a rational exponent.

[tex]x^5 * 7 = 35[/tex]

This is further explained below.

Exponents are said to be rational if they are able to be represented in the form of p/q, where the value of q is less than 0.

The notation for rational exponents is often written as xm/n, where x represents the base (a positive integer) and m/n is the rational exponent. Exponents may also be represented as xmn=nxm x m n = x m n.

This is another way to express rational exponents.

Generally, the equation is mathematically given as

[tex](6\sqrt{x^5})^7[/tex]

By bearing this in mind, we can make this process easier.

[tex](a^m)^n = a^m * n[/tex]

Therefore

[tex]x^5 * 7 = 35[/tex]

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Answer:

g(x) = x - 3

Step-by-step explanation:

An inverse function undoes a function meaning (x - 3) is the only function that undoes (x + 3).

Answer:

Below in bold.

Step-by-step explanation:

Let x be the amount of 20% saline solution then the amount of 48% will

8 - x milliliters.

So,

0.20x + 0.48(8 - x) = 0.32* 8

0.20x + 3.84 - 0.48x = 2.56

-0.28x = -1.28

x = -1.28/-0.28

  = 4.57 milliliters.

8 - x = 3.43 milliliters

The answer is:

4.57 milliliters of 20% solution and 3.43 milliliters of the 48% solution.

Using the formulas

P=4a

d=2a

Solving forP

P=22d=2·2·6≈16.97056

Answer:

Its C

Step-by-step explanation:

I got it right on USA TEST PREP

Answer:

78m^3

Step-by-step explanation:

basically you have to split it into two rectangles and add the volumes

so think of it like this (first picture)

- looking at the bigger rectangle (blue rectangle) the 6 and the 4 are there as hints to the smaller rectangle so just kind of disregard them

- basically the bottom length is 6 but the top length is 5 and this is because the bottom length includes the other rectangle (smaller/pink rectangle), meaning the extra length from the other rectangle (smaller/pink rectangle) is 1.

- then height is given as 4 and 5. the height of 4 is caused by the line stopping when it meets the pink/smaller rectangle, meaning that the height from the other rectangle (smaller/pink rectangle) is 1.

- so using the correct measurements, the height is 5, the length is 5, and the width is 3 so:

5 • 5 • 3 = 75

~ so as stated above from evaluating the different measurements and how the rectangles “intersect” or meet:

the height is 1, the width is 1, and the length is then given as 3 so:

1 • 1 • 3 = 3

so then 75 + 3 = 78

so the full volume is 78 m^3

hope this helps :)

Answer:

71/2 just

Step-by-step explanation:

just like that

ANSWER

Step-by-step explanation:

if x= 6 and y= -4, evaluate: 3x + x/y - y^2

we will just substitute for the values

3(6) + 6/-4 - (-4)²

=18 + 6/-4 - (16)

=18 + 6/-4 - 16

L.C.M=-4

= -72+6-(64)/-4

= -72-64+6/-4

=-136+6/-4

= -130/-4

=32.5 or 32 2/5

I hope I helped