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3 years ago

Lily has 24 classmates she gives each classmates 1 pencil how many pencils in all does she give her classmates

Mathematics

2 answers:

evablogger [386]3 years ago

6 0

Omg reallly..... its obviously 24

bezimeni [28]3 years ago

5 0

I think the answer you are wanting is... 24

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Use the linear combination method to solve the system of equations. –2.1x + 4y = 5.3 2.1x – 5.5y = –0.2 What is the solution to

torisob [31]

X = -9, y = -3.4

You can get this by adding through and getting the x's to cancel. Then use the y value to solve for the x.

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4 years ago

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Dilate a triangle with vertices (0,0), (0,2) and (2,0) using the scale factor k=3. What is the value of the ratio (new to origin

seropon [69]

Answer:

Part a) The ratio of the perimeters is $3$

Part b) The ratio of the areas is $9$

Step-by-step explanation:

Part A) What is the value of the ratio (new to original) of the perimeters?

we know that

If two figures are similar, then the ratio of its perimeters is equal to the scale factor

Let

z-----> the scale factor

x-----> the perimeter of the new triangle

y-----> the perimeter of the original triangle

$z=\frac{x}{y}$

we have

$z=3$

substitute

$\frac{x}{y}=3$

Part B) What is the value of the ratio (new to original) of the areas?

we know that

If two figures are similar, then the ratio of its areas is equal to the scale factor squared

Let

z-----> the scale factor

x-----> the area of the new triangle

y-----> the area of the original triangle

$z^{2}=\frac{x}{y}$

we have

$z=3$

substitute

$\frac{x}{y}=3^{2}$

$\frac{x}{y}=9}$

3 0

3 years ago

Harley has 5 quarts of orange juice to fill some empty glasses. She fills each glass with 14

jonny [76]

Answer:

This question does not make sense

Step-by-step explanation:

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3 years ago

Plz help solve this math problem

a_sh-v [17]

Answer:

3 8/9

Can I get Brainliest?

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3 years ago

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HELP ME WITH THESE PLEASE I WILL MARK YOU BRAINLIEST IF RIGHT

Ber [7]

The first triangle’s area is 48.75. But since you round it to the nearest tenth, it’s 48.7.

Use the formula a=1/2bh to find the area of a triangle.
A= 1/2• 13 • 7.5
A= 6.5• 7.5
A= 48.75 —-> 48.7 square inches.

Sorry, I can only do one because of homework, but make sure to use that formula! Hope this helped.

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3 years ago