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aleksandrvk [35]
3 years ago
15

10. The sphere given below is being filled with air. How much air will be

Mathematics
1 answer:
Anit [1.1K]3 years ago
6 0

Answer:

4,189

Step-by-step explanation:

i got it right on a test

HOPE IT HELPS

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Leona [35]
To find the answer you have to find the area of the fountain using A= pi r^2.
=(3.14)(64)
=200.96

Then you have to find the area of the big circle.
=(3.14)(11^2)
=379.94

Then subtract them both (379.94-200.96) and you get the answer 178.98 which can be rounded to 179 aka A.
3 0
3 years ago
I need help with questions 16
cupoosta [38]

Answer;

-2.5x-5  

Step-by-step explanation:

first multiply whats in the () so -0.5 times 7z =  -3.5z + -2 + 1z - -3

then combine like terms -3.5z + 1z = -2.5z

-2+-3= -5 so -2.5z - 5

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3 years ago
In the figure shown, which composition of rigid motions will map one triangle onto the other?
Aloiza [94]

Answer: D. a rotation followed by a translation

7 0
3 years ago
Solve for x: 2(2a+3)-6=5a+2
coldgirl [10]

Answer:

a=-2

We move all terms to the left:

2(2a+3)-6-(5a+2)=0

We multiply parentheses

4a-(5a+2)+6-6=0

We get rid of parentheses

4a-5a-2+6-6=0

We add all the numbers together, and all the variables

-1a-2=0

We move all terms containing a to the left, all other terms to the right

-a=2

a=2/-1

a=-2

Step-by-step explanation:

We move all terms to the left:

2(2a+3)-6-(5a+2)=0

We multiply parentheses

4a-(5a+2)+6-6=0

We get rid of parentheses

4a-5a-2+6-6=0

We add all the numbers together, and all the variables

-1a-2=0

We move all terms containing a to the left, all other terms to the right

-a=2

a=2/-1

a=-2

Please like and give me Brainliest!

3 0
3 years ago
Read 2 more answers
Stefan estimates the income and expenses for renting
Elena-2011 [213]

Answer/Step-by-step explanation:

If total income is more than total expenses, she should rent it. If the total income is less than the total expenses, she should not rent it.

Total income estimated in a month:

Sales: $950 per week = 950*4weeks = $3,800 per month

Services: $2,875 per month

Total estimated income per month = $(3,800 + 2,875) = $6,675

Total expenses estimated in a month:

Rent: $4,500 per month

Travel: $7.5 per day = 7.5*7days = $52.5 per week.

Assuming there are 4 weeks in a month, expenses for travel in a month will be:

$52.5*4 = $210

Merchandise: $1,650 per month

Total expenses estimated per month = $(4,500 + 210 + 1,650) = $6,360

Total estimated income ( > total estimated expenses in a month, therefore, Stefan should rent the phone accessory store. She will make profit.

5 0
4 years ago
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