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Vinil7 [7]
3 years ago
15

15. PLEASE help me on this pre algerbra question

Mathematics
2 answers:
timama [110]3 years ago
8 0

Answer:

%0.665, or %0.67

Step-by-step explanation:

5985 divided by 9000 is 0.665

Triss [41]3 years ago
4 0

Answer:

0.665%

Step-by-step explanation:

5985/9000 = .665%

Mark me brainliest if this helped:D

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Help it says to make a triangle and I don't know wut I'm doing wrong. I already got (6,4) like a lot of ppl said but it still sa
Soloha48 [4]

Answer:

this is pythagorus theorem

the height is 7,2

the distance is d

d^2 = 5^2 + 4^2

hope this helps

3 0
3 years ago
Naomi has earned $81 mowing lawns the past two days. She worked 2 1/2 hours yesterday and 4 1/4 hours today. If Naomi is paid th
Anettt [7]

Answer:

Twelve dollars per hour

Step-by-step explanation:

Add 2 1/2 and 4 1/4 together to get 6 3/4. Put it into decimal form (6.75), and divide. 81 ÷ 6.75 = 12.

3 0
3 years ago
Help me pls i need this right now
balu736 [363]

Answer:

162.4

Step-by-step explanation:

A= 8 * side length * apothem/2

A = 8* 5.8 * 3.5

A = 162.4

6 0
3 years ago
Read 2 more answers
Mr. Green is putting lights around 8 windows; each window is 3.5feet wide and 5 feet long. How many feet of light does he need?
zmey [24]
We must find the perimeter of all eight windows. To make it simpler for us, let's find the perimeter of one window and multiply it by 8.

2*3.5 + 2*5 = 7 + 10 = 17

17*8 = 136

Hope this helps!
6 0
3 years ago
How much heat in kJ is released when nitrogen and hydrogen react as below to form 100.g ammonia heat equals-92.2kj
tresset_1 [31]

100g of ammonia releases 271.18 kJ of heat.

<u>Explanation:</u>

Given:

N₂ reacts with H₂

The reaction is:

2N₂ + 3H₂ → 2NH₃ + 92.2 kJ

According to the balanced reaction:

2 X 17g of ammonia releases 92.2 kJ of heat

34g of ammonia releases 92.2 kJ of heat

100g of ammonia will release = \frac{92.2}{34} X 100 kJ of heat

                                                 = 271.18 kJ

Therefore, 100g of ammonia releases 271.18 kJ of heat.

8 0
3 years ago
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