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bulgar [2K]
3 years ago
5

What is 15 n-45/5=6 n-9

Mathematics
1 answer:
Leona [35]3 years ago
5 0

Answer:

Step-by-step explanation:

15n - 45/5 = 6n - 9...reduce any fractions

15n - 9 = 6n - 9 ...subtract 6n from both sides

15n -9 - 6n = 6n - 6n - 9...combine terms

9n - 9 = -9....add 9 to both sides

9n - 9 + 9 = -9 + 9...combine terms

9n = 0....divide both sides by 9

n = 0/9 which = 0

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The radius of a circle is 4 inches. What is the circle's circumference?
mojhsa [17]

Answer:

8π inches or approximately 25.12 inches

Step-by-step explanation:

What's the circumference of a circle?

 ❖ The circumference of a circle is the distance around a circle.

How do we find the circumference of a circle?

 ❖ The formula to find the circumference of a circle is 2πr, where r =    

      radius. We can solve in terms of pi, or approximate pi to 3.14

<u>Solving</u>

  • <u></u>\pi * 4*2
  • \pi *8
  • 8π inches

<u>or</u>

  • <u />3.14*4*2
  • 3.14*8
  • 25.12 inches

Have a lovely rest of your day/night, and good luck with your assignments! ♡

7 0
3 years ago
Read 2 more answers
Julissa is thinking about getting her Master’s degree. She will give up making $28,000 a year for the 2 years it takes to comple
beks73 [17]

Answer:

1.5 years

Step-by-step explanation:

She will give up making $28,000 per year for 2 years.  This means that she will give up making $56,000 in total.

$28,000 × 2 = $56,000

She also pay $34,000 in total to costs to get her degree.  She invested a total of $90,000.

$56,000 + $34,000 = $90,000

After graduating, she makes $60,000 a year.  It will take her 1.5 years to recover her investment.

90,000/60,000 = 1.5

7 0
3 years ago
Oliver purchased 11.3 gallons of gasoline. There are approximately 3.8 liters
m_a_m_a [10]

Answer:b

Step-by-step explanation:

3 0
3 years ago
HELP PLEASE! Thank you!
Nataly [62]

Answer:

See attached graph for the first part

Answer to second part: The end part of the graph show the slowest increase

Step-by-step explanation:

The attached picture represents the number of infected people, starting with a relatively small number at the origin of the horizontal axis (x=0, or time=0) then increasing abruptly in the center of the graph with steep slope. and then infection slowing down (although still slowly increasing) in the region highlighted in yellow to the right of the graph.

8 0
3 years ago
What is the area of the regular trapezoid below?<br> - 6 cm<br> T<br> 8 cm<br> 10 cm
Elenna [48]

Answer:

Area = 64 cm²

Step-by-step explanation:

To find the area, we have to follow some steps:

=> <u>Step 1: Make the bases similar:</u>

Since we have 2 bases given 6 and 10 we have to come up with a third base by finding their average:

(6 + 10) / 2

(16) / 2

8

So now that we know our base,

=><u> Our second step is to multiply the base we found by the height of the trapezoid:</u>

Area = common base * height

Area = 8 * 8

Area = 64 cm²

Hope this helps!

5 0
3 years ago
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