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3 years ago

Worth 10 points on chapter 5 test

Mathematics

1 answer:

charle [14.2K]3 years ago

3 0

Answer:

What is the value of x.

If you know the value of x

then,

perimeter= x+12+7.71

and

if this traingle is an equilateral triangle

then,

area =½×7.71×x

In this all process you need to find x then all will be easy

Hope it helped you

If not then I am sorry for that

Bye

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Use the product property of exponents to justify that (9^1/2)^2=9

WARRIOR [948]

The rule states that

$(a^b)^c = a^{bc}$

So, in your case, you have

$(9^{\frac{1}{2}})^2=9^{\frac{1}{2}\cdot 2}=9^1=9$

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Step-by-step explanation:

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In the after school Dena, Shawn, and Amanda knit scarfs that are the same size with yellow, white, and blue yarn. Denas scarf is

jenyasd209 [6]

Answer:

$\frac{8}{20}$

Step-by-step explanation:

We have been given that in the after school Dena, Shawn, and Amanda knit scarfs that are the same size with yellow, white, and blue yarn. Denas scarf is 2/5 yellow, Shawn's scarf is 3/5 , and Amanda's scarf is 3/4 yellow.

To make Amanda's argument true, let us compare each fraction by making a common denominator.

We can see that least common denominator of each fraction would be 20.

$\text{Dena's scarf}=\frac{2}{5}\Rightarrow\frac{2*4}{5*4}=\frac{8}{20}$

$\text{Shawn's scarf}=\frac{3}{5}\Rightarrow\frac{3*4}{5*4}=\frac{12}{20}$

$\text{Amanda's scarf}=\frac{3}{4}\Rightarrow\frac{3*5}{4*5}=\frac{15}{20}$

Since $\frac{8}{20}$ , therefore, Amanda's scarf has the most yellow.

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3 years ago

A. Fill in the boxes :

frosja888 [35]

Step-by-step explanation:

it's simple:

8 tens + 19ones = 9 tens + 9 ones
8 tens + 2 ones =7 tens+12 ones
7 tens +25 ones = 9 tens + 5 ones
70+11=80+1
50+13=60+3
90+13=100+3

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3 years ago