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Liula [17]
3 years ago
7

The sum of two numbers is 20. Their difference is 4. What are the numbers? Use the variable A & B

Mathematics
2 answers:
Phantasy [73]3 years ago
6 0

Answer:

Step-by-step explanation:

A+B=20

12 and 8

There is a difference of 4 between them and they add up to 20.

Arturiano [62]3 years ago
3 0

Answer:

x + y = 20

x - y = 4

Add the 2 equations and get

2x = 24

x = 24/2 = 12

Plug x=12 into either equation and get

y = 8

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3 years ago
The value y of varies directly with x. When y = 19.375, x = 7.75.
Bingel [31]

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Step-by-step explanation:

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3 years ago
How many zeros are in the standard form of 10 7 write this number in standard form
vodka [1.7K]

<u><em>Answer:</em></u>

There are 7 zeroes in the standard form of 10⁷

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<u><em>Explanation:</em></u>

<u>A power</u> represents how many times this number is multiplied by itself

<u>For example:</u>

x² means we will multiply x by itself 2 times (x * x)

x⁵ means we will multiply x by itself 5 times (x * x * x * x * x)

<u>The standard form</u> of a number means the number written with no powers

Now, the given number is 10⁷

<u>This means that:</u>

The number is 10 multiplied by itself 7 times

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Hope this helps :)

8 0
3 years ago
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