Can someone help me?

Can Someone Help Me?

Answers

Answer 1

Answer:

Its the third one

Step-by-step explanation:


Related Questions

Suppose a lab need to need to make 400 liters of 39% acid solution, but the only solutions available to the lab are 20% acid and 50% acid. What system of equation can be used to find the number of liters of each solution the should be mixed to make the 39% solution? Let c represent the number of liters of 20% acid solution and let d represent the number of liters of 50% acid solution.

Answers

Answer:

c + d = 400

0.2c + 0.5d = 156

Step-by-step explanation:

Let

c = number of liters of 20% acid solution

d = number of liters of 50% acid solution.

c + d = 400 (1)

0.2c + 0.5d = 400(0.39)

0.2c + 0.5d = 156 (2)

From (1)

c = 400 - d

Substitute c = 400 - d into (2)

0.2c + 0.5d = 156 (2)

0.2(400 - d) + 0.5d = 156

80 - 0.2d + 0.5d = 156

- 0.2d + 0.5d = 156 - 80

0.3d = 76

d = 76/0.3

d = 253.33 liters

Substitute d = 253.33 into (1)

c + d = 400

c + 253.33 = 400

c = 400 - 253.33

c = 146.67 liters

please help me!!!!! im confused

Answers

Answer:

The interest is: $2550.00

Step-by-step explanation:

I = P x r x t

    P is the principal amount, $12000.00.

   r is the interest rate, 4.25% per year, or in decimal form, 4.25/100=0.0425.

   t is the time involved, 5....year(s) time periods.

   So, t is 5....year time periods.

To find the simple interest, we multiply 12000 × 0.0425 × 5 to get that:

The interest is: $2550.00

Please help this is due in less than an hour. WILL GIVE BRAINLIEST!!!!!!!!!

Answers

Answer:

2nd option

Step-by-step explanation:

X are all whole numbers which are integers

and Y is bigger than X

ex: 0(x) and 4(y)

4 is bigger than 0

What are the coordinates of the point (-3,4) after a translation of 2 units down and 5 units left

Answers

Answer:

(-8, 2)

Step-by-step explanation:

Start with (-3, 4).  Subtract 5 units from -3, obtaining -8, and subtract 2 units from 4, obtaining 2:  (-8, 2)

Two triangles have the same base lengths. One Triangle has the height that is 4 times the height of the other triangle. Are the heights and the areas of the two triangles proportional?

Answers

YES

Area of Triangle 1

Base=b

Height= h

Area 1=A1=1/2*b*h

Area of Triangle 2

Base=b

Height= 4h

Area of triangle 2=A2=1/2*b*4h

Comparing A1 and A2

A2/A1= (1/2*b*4h)/(1/2*b*h)

= (1/2*b*4h)/(1/2*b*h)

=4/1

Ratio of heights =h2/h1= 4/1

Ratio of areas =A2/A1= 4/1

They are proportional.

y = -2x + 11

What is the slope of the equation?

A) -11
B) -2
C) 9
D) 11

Answers

Answer:

-2

Step-by-step explanation:

you must follow the y=mx+b

m=slope

b=intercept

Answer:

B) -2

Step-by-step explanation:

y= -2x+11 is in slope-intercept form

y= mx+b

y= y-coordinate

x= x-coordinate

m= slope

b= y-intercept

m= -2

Graph y = -1⁄3 x + 5 using the slope and y-intercept pls help

Answers

slope: -1/3
y-int: (0,5)

I need help with this plz

Answers

The answer is b sense it’s asking I’m simplest form

Cydni is working with some algebra tiles at her desk. She makes groups of tiles like the ones below. Which expressions represent the sum of the tiles that Cydni has arranged on her desk? help

Answers

Answer:

3x+9

Step-by-step explanation:

If it’s multiple choice the other one is

x +1+1+1+x +1+1+1+ x +1+1+1

I hope this helps!

Which one of these transformations would produce an image that is not congruent to its pre-image? (4 points)


A translation of (x − 1, y − 3)
A rotation of 90 degrees about the origin
A rotation followed by a translation
A dilation followed by a reflection

Answers

Answer:

A dialation followed by a reflection

Step-by-step explanation:

When you dialate a shape it changes the size which makes the shape similar but not congrouent.

The option “a dilation followed by a reflection” will produce an image that is not congruent to its pre-image option, fourth is correct.

What is geometric transformation?

It is defined as the change in coordinates and the shape of the geometrical body. It is also referred to as a two-dimensional transformation. In the geometric transformation, changes in the geometry can be possible by rotation, translation, reflection, and glide translation.

As we know, the translation will shift the object.

If rotate the image with 90 degree about origin will change the orientation of the image but shape will remains same.

A dilation followed by reflection will change the image because the transformation dilation is used to resize an item. Dilation is a technique for making items appear larger or smaller.

Thus, the option "a dilation followed by a reflection" will produce an image that is not congruent to its pre-image option fourth is correct.

Learn more about the geometric transformation here:

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If p = 2ak², find p when a = -1 and k = 3.
a. -18
b. 18
c.-6
d.6

Answers

Answer:

0.5

3.1

16 %

Step-by-step explanation:

The chosen topic is not meant for use with this type of problem. Try the examples below.

What is the distance between the points (3,7) and (15, 16) on a coordinate plane? O A. 15 units O B. 17 units O C. 21 units O D. 13 units SUBMIT ans fr apx is 15 units​

Answers

the distance is 15 so A.

Ap ex: What is the solution to this system of equation?
y = x - 4 y = -0.5x + 8
a. (4,2)
b. (8,4)
c. (4,8)
d. (2,4)

Answers

Answer:

x = 8, y = 4

Step-by-step explanation:

y = x - 4

y = -0.5x + 8

y = y

x - 4 = -0.5x + 8

x + 0.5x = 8 + 4

1.5x = 12

x = 12/1.5

x = 8

To get "y" substitute the 8 for the "x" value in any of the two equations (they will both give the same answer.)

y = (8) - 4

y = 4

OR

y = -0.5(8) + 8

y = -4 + 8

y = 4

The answer is B, because the answer is (8,4)

Do you have a basketball game the two teams scored a total of 210 points the home team won by 20 points how many points did the whole team score

Answers

Answer:

190

Step-by-step explanation:

Answer: 1st team scored 95 and the second team scored 115

Explanation: 210 divided by 2 equals 105. 105-10=95(1st team) 105+10=115(2nd team) 115+95=210

Convert the measurements. Help me ASAP please!

Answers

Answer: 22.86

Step-by-step explanation:

9 inches = 22.86 centimeters:)

Alex runs at an average speed of 10 km per hour for 1 hour 30 minutes. What distance does he run?

Answers

Answer:

15 km?

Step-by-step explanation:

10 km per hour for one hour is 10km. plus the half hour, half of the distance 5km is just 15km

f (x) =2x+10 identify the zeros of the function algebraically

Answers

Answer:

x= -5

Step-by-step explanation:

if youre looking for the x this is the answer.

If angle A is 80 degrees, Angle B is 50 degrees, and Angle C is 10X. What is the value of “X”?

Answers

Answer:

x=5

Step-by-step explanation:

the sentimental thing is that Jen's mother is the most common person in a row with

(3k + 4 1/5) + 8 3/5

Answers

3k+64/5
Hope this helped

Which set of ordered pairs below is a function?

I. {(3, 3), (6, 1), (2, 3)}

II. {(4, 7), (2, 8), (4, 2)}

III. {(9, 6), (3, 1), (7, 3)}

Answers

The answer is (9,6), (3,1), (7,3)

Help! It’s geometry: finding angles measures between intersecting lines

Answers

Answer:

x=17

Step-by-step explanation:

So first we know that vertical angles are equal

And for the first part we have a 73 and x

So 73+x=90 Becuase in this situation if you add them up its gonna give you a right angle

you’ll get 17

SO 17 is X

What are all the roots of the equation x^4 + 2x^3 = 13x^2 - 10x ?​

Answers

try practicing with different examples

What’s the answer plz hurry!

Answers

Answer:

its c

ududhsihsisbishsusbusvsusbusbduusususuuusueuieieiejejdhebteybybeybsbysyneybdyndybbydbyeynydnnydndyjdyj8ggnxr

Step-by-step explanation:

fhjfjjgcmhmhcxmgkhfkhffhkhfkgfoyfkyftfutdutxjtxoyf

What criteria must a polygon meet to be considered inscribed in a circle?
Help ASAP!!

Answers

A polygon is inscribed in a circle if all its vertices are points on the circle and all sides are included within the circle. All regular polygons can be inscribed in a circle. The center of an inscribed polygon is also the center of the circumscribed circle.

he criteria for polygon inscribed in a circle is every vertices are points on the circle and all sides are included within the circle.

What is the polygon?

Polygon is "any two closed curve consisting of a set line segments connected such that no two segments connected".

According to the question,

A polygon is inscribed in a circle if its all vertices are points on the circle and all sides(Edges) are included within the circle. All regular polygon can be inscribed in a circle. The center of an inscribed polygon is also the center of the circumscribed circle.

Hence, the criteria for polygon inscribed in a circle is every vertices are points on the circle and all sides are included within the circle.

Learn more about Polygon here

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What are the solutions to 3n-1>8 or 4n+3 < -1? *​

Answers

Answer:

3’d

Step-by-step explanation:

Which number is greater than 5.63? *




A.5.658
B.5.628
C.2.758
D.0.688

Answers

Answer:

A

Step-by-step explanation:

The other values are lesser than 5.63

Answer:

5.658-A

Step-by-step explanation:

Point Ais a representation of which number on the number line?
0
T
-3
1

Answers

Answer:

B = -3

Step-by-step explanation:

subject: [Mathematics]​

Answers

Answer:

Whole number

rational numbers

natural number

interger

Step-by-step explanation:

Everything but irrational I think

Find the slope on the graph

Answers

Answer:

im pretty sure it would be 5/3

Step-by-step explanation:

u go up 5 squares and then over 3

Answer:

[tex]\frac53[/tex]

Step-by-step explanation:

Hello!

Slope is calculated by the formula [tex]\frac{Rise}{Run}[/tex].

Rise is the change in y between two pointsRun is the change in x between two points

The two points I'm going to pick are (0,-1) and (3,4).

Now let's find the changes in x and y.

Change in y (-1 and 4) is 5Change in x (0 and 3) is 3

Plugging it into the formula, you get a slope of [tex]\frac53[/tex].

c) The area of a rectangle is 80 cm² and it is 8 m broad.In process
(i) Find its length (ii) Find its perimeter
11​

Answers

Answer:

i) the length is 10cm

ii) the perimeter is 36 cm

Step-by-step explanation:

i) We know that Area of a rectangle can be found by using the following formula...

A = l x w

(where A is area of the triangle, l is the length of the triangle, and w is the width of the rectangle).

From this we know that

l = A/w

[tex]l = 80cm^{2} / 8cm = 10cm[/tex]

ii) Now that we know both the length and the width we know we can find the perimeter by using the following formula...

P = 2(l + w)

[tex]P = 2(10cm+ 8cm )\\P = 20cm + 16cm\\P = 36cm[/tex]

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