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sweet [91]
3 years ago
15

1.Find n. 2. Find n. 3.Find n. 4.Find n. 2/9 = 14/n 12/18 = n/36 30/38 = 15/n 60/66 = n/22

Mathematics
1 answer:
Stels [109]3 years ago
7 0

Step-by-step explanation:

cross multiply all equations seperately

1,n=63

2.n=24

3.n=19

4.n=20

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Round to the nearest million 123,045,067
podryga [215]

Answer:

123,000,000

Step-by-step explanation:

When rounding, the number that we look at is the number to the right of what we are rounding to.  When rounding to the nearest million we look at the number to the right which is in the hundred thousandth position.  In this case that is a 0.  In rounding, if the number we are looking at is 0-4 we round down an if the number we are looking at is 5-9 we round up.  Since the number is 0 we will round down.  The nearest million below 123, 045, 067 is 123,000,000.

I hope this helps and please don't hesitate to ask if there is anything still unclear!

8 0
4 years ago
Find the unknown measures. around lengths to the nearest hundredth and angle measures to the nearest degree.
qaws [65]

Answer:

choice 3)

JK = 3.51

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Step-by-step explanation:

sin 21° = JK/9.8

0.3584 = JK/9.8

cos 21° = WK/9.8

0.9336 = WK/9.8

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∠J = 90° - 21° = 69°

5 0
3 years ago
Taylor's mom purchased a savings bond for Taylor. The value of the savings bond increases by 8% each year. One year after it was
madreJ [45]

Answer: $225

Step-by-step explanation:

Let the value of the bond at the purchase price be x.

Based on the information in the question, the equation to solve the question will be:

x + (8% × x) = $243

x + (8/100 × x) = $243

x + 0.08x = $243

1.08x = $243

x = $243/1.08

x = $225

Taylor's mom purchased the bond at $225

5 0
3 years ago
How do you find the sine of 90 degrees
Savatey [412]
The sin of 90 = 1 but how you get that with out a calculator I have no idea. Do you have to show your work?

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Is this true or false? Ill give brainliest
Alex777 [14]

Answer:

It is true

Step-by-step explanation:

8 0
3 years ago
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