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Alenkinab [10]
3 years ago
14

What is the value of 4x - 7 when x=4? 1 9 16 23

Mathematics
2 answers:
marshall27 [118]3 years ago
7 0

Answer:

9

Step-by-step explanation:

4x - 7;x = 4

"P" in PEMDAS is parentheses which is done first.

4(4) - 7 \\ 16 - 7

"S" is substraction done next.

16 - 7 = 9

Ivan3 years ago
6 0

Answer:

the answer is 9

all work is shown

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WITCHER [35]
First, we must convert the total miles into kilometers. If there are 1.609 kilometers in one mile, then 26.219 miles equals 42.3 kilometers. We then divide by the total minutes (128) to get the speed in kilometers per minute which should be 0.32 or 0.3 kilometers per minute.
4 0
3 years ago
Read 2 more answers
100 people are running a marathon. How many different ways can the runners finish 1st, 2nd, and 3rd place?
andrew11 [14]

Answer:

970,200

Step-by-step explanation:

In a 100 man race, how many runners have the chance to finish first?

Answer 100.

Now that 1 person is first, how many runners could be second? Well, there are still 99 runners left, and any one of them could be second.

Answer 99.

How many can be third? Using the same idea as above, once one person is first and another is second, that leaves 98 people still running and trying for third. So how many can be in third?

Answer 98.

Now you need to do the math.

100 × 99 × 98 = 970,200

So there are 970,200 different ways.

Hope this helps!! Brainliest :) ?

3 0
2 years ago
Ir J() =<br> E and 9(1) = 2+3-<br> -s find f0-8
Ivan

Answer:

2456.8

Step-by-step explanation:

J=×

9×1=2+3'5

f=2456.8

7 0
3 years ago
Please help with this. Thank you very much.
Harman [31]
Here's a graph with 4 points shown.

4 0
3 years ago
Why is it important to write equivilant fractions before renaming
ipn [44]

Answer:

when y rename a fraction, you are finding fraction that have the same value but have different name. these are known as equivalent fraction you can rename fraction million of different ways...As long as you multiply numerator and denominator by same number, you will get and equivalent fraction...

Step-by-step explanation:

for example :5/2

5×2/2×2 , 5×3/2×3 , 5×4/2×4 , 5×5/2×5

ANSWER OF THESE EQUIVALENT NUMBERS ARE :

10/4 , 15/6 , 20/8 , 24/10 ....

5 0
2 years ago
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