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muminat
3 years ago
13

What is 300,000,000,000+1,000,000,000+70,000+400+9

Mathematics
1 answer:
Reika [66]3 years ago
5 0

The answer is 301000070409

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I need a little help please
Molodets [167]
Is it #3 or #4? or both? 
4 0
3 years ago
The value of y varies directly with x. If x = 8, then y = 96. What is the value of x when y = 168?
patriot [66]

Answer:

  • x = 14

Step-by-step explanation:

<u>Direct variation equation:</u>

  • y = kx, where k is constant of variation

<u>Given:</u>

  • 96 = 8k
  • k = 96/8
  • k = 12

<u>The equation is:</u>

  • y = 12x

<u>Find the value of x when y = 168:</u>

  • 168 = 12x
  • x = 168/12
  • x = 14

7 0
2 years ago
The heights of male students are normally distributed with a mean of 160 cm and a standard deviation
kompoz [17]

Answer:

2.28%

Step-by-step explanation:

As this is normally distributed, we can use z scores to find the percentage.

First, find the z-score for 148.

The z-score that you get is:

(148-160)/2=2

As we see that z=2, we can use a calculator or a z-score chart to find the percentage less than a z score of 2.

I used my chart and found: 2.28%

4 0
2 years ago
Read 2 more answers
A rectangle has a perimeter of 4848 feet and a length of 1414 feet. Which equation can you solve to find the width?
yawa3891 [41]
(4848 - 2 x 1414) / 2 = 1010
5 0
3 years ago
63° 55°<br> X =<br> degrees.
lorasvet [3.4K]

Answer:

Step-by-step explanation:

The sum of these angles must equal 360 degrees.

x+63+55=360

x+118=360

x=242

8 0
2 years ago
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