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gtnhenbr [62]
3 years ago
13

Need help with questions 17 and 18

Mathematics
1 answer:
Pavlova-9 [17]3 years ago
6 0
The answer to 17 is 18.6 and the 6 is repeating
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How do you find the percent of decrease a report card grade that goes from 90 to 85?
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Answer:

divide i think or minus

Step-by-step explanation:

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3 years ago
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Step-by-step explanation:

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Is (2, 10) a solution to this system of inequalities?<br> y y &gt; 4x + 1<br> yes<br> no
velikii [3]

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yes

Step-by-step explanation:

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2 years ago
Use the distributive property to write an expression that is equivalent to each given property.
Nadya [2.5K]

Answer:

-6x+12

-9+5a

7x+63

8y-4/5x-12

Step-by-step explanation:

To solve these all you have to do is take the number outside of the parenthesis and multiply them by each term.

-3(2x)-3(-4) All I did here was expand the problem to show what i mean by terms.

-6x+12

Do this for each problem.

0.1(-90)+0.1(50a)

-9+5a

-7(-x)-7(-9) For this one you are taking negatives times negatives so each answer will be positive.

7x+63

4/5(10y)+4/5(-x)+4/5(-15)

8y-4/5x-12

3 0
3 years ago
The radius of the large sphere is double the radius of the
kozerog [31]

Answer:

Given:

Radius of large sphere: R1

Volume of sphere: V1

Radius of small sphere: R2

Volume of sphere: V2

R1=2R2

We know that:

Volume of a sphere: 4/3πR^3

Volume of large sphere: 4/3πR1^3

Now we know that R1=2R2(given)

Thus volume of large sphere(V1) 32/3πR2^3.

Volume of small sphere(V2): 4/3πR2^3.

Ratio of volume of large sphere to small sphere is 8:1.

Step-by-step explanation:

8 0
3 years ago
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