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3 years ago

11

Match each fraction with its equivalent decimal number. 2/5, 7/20, 3/25, 7/10

1 answer:

nata0808 [166]3 years ago

5 0

2/5- .4

7/20- .35

3/25- .12

7/10- .7

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<img src="https://tex.z-dn.net/?f=%20%7B2%7D%5E%7Bn%20%7D%20%20%3D%20225" id="TexFormula1" title=" {2}^{n } = 225" alt=" {2}^{n

mixas84 [53]

N = 7.81 (round to 2 decimal places)

7 0

3 years ago

Read 2 more answers

I really need help please help if u could 9-11

Nuetrik [128]

9) 35% of the 12,000 are 50-64 years old.
12,000 x 0.35 = 4,200

4,200 people were 50-64 years old

10) 25% of 596 people are over 64 years old
596 x 0.25 = 194

194 people were older than 64

11) yes, he is correct because 450 x 10%=45 and 450 x 30%=135

8 0

3 years ago

Read 2 more answers

Jack is two weeks into his diet and now weighs 197 pounds. If he lost 3 pounds the first week and 6 pounds the second week, what

marin [14]

Answer:

206

Step-by-step explanation:

197 + 3 + 6 = 206

8 0

3 years ago

The square below has an area of

Solnce55 [7]

Answer:

8-x meters

Step-by-step explanation:

Both 64 and x^2 are perfect squares, since 64=(8)^2 and x^2=(x)^2.

Additionally, 16x is twice the product of the roots of 64 and x^2, since 16x=2(8)(x).

So we can use h the square of a difference pattern to factor:

a^2-2(a)(b)+b^2=(a-b)^2

In this case, a=8 and b=x:

(8)^2-2(8)(x)+(x)^2=(8-x)^2

In conclusion...

64-16x+x^2=(8-x)^2

So the side length of the square is 8-x meters.

3 0

4 years ago

The regular price of an item at a store is p dollars. The items is on sale for 10% off the regular price. Some of the expression

Stolb23 [73]

Answer:

<u><em>C, </em></u> Expression B and Expression D

Step-by-step explanation:

<h2><u><em>Step 1 : Analyzing the question:</em></u></h2>

The regular price of an item at a store is p dollars. The items is

on sale for 10% off the regular price. Some of the expressions

below represent the sale price, in dollars, of the item.

It says " <em>item on sale for 10% off </em>". That means $p-0.1p$ or $0.9p$ .

<h2><u><em>Step 2 : Looking at the next portion of the question:</em></u></h2>

Expression A: 0.1p

Expression B: 0.9p

Expression C: 1 - 0.1p

Expression D: p - 0.1p

Expression E: p - 0.0p

<u>Expression A</u> doesn't make any sense. It only shows the how

much you save

<h3><em><u>Expression B:</u></em> This is one of the answer. </h3><h3 /><h3> $p-0.1p=0.9p$ </h3><h3 />

<u>Expression C: </u> You can't subtract $0.1p$ from $1$

<h3><em><u>Expression D: </u></em> D makes sense. $p-0.1p=0.9p$ </h3><h3 />

<u>Expression E: </u> This is the same thing as $p$

<h2><u><em>Step 3: The answers:</em></u></h2>

<u><em>The answer is C .</em></u>

5 0

3 years ago