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Dahasolnce [82]
3 years ago
13

Which statement explains why the two systems of equations below have the same solution

Mathematics
1 answer:
prisoha [69]3 years ago
8 0

Answer: "B"

The first equation B is the sum of the equations in A, while the other is obtained by multiplying the first equation in A by 2.

You might be interested in
Val walks 2 3/5 miles each day. Bill runs 10 miles once every 4 days. In 4days, who covers the greater distance.
Brilliant_brown [7]
The problem gives a distance with a fraction (not a decimal); there is absolutely no reason to convert it to a decimal. In 4 days, Val walks:     4*(2 3/5) miles     4*(13/5) miles           [convert to improper fraction]      52/5 miles       10 2/5 miles             [convert to mixed number] Compare that to Bill, who runs 10 miles every 4 days. Val runs a greater distance.
7 0
4 years ago
7 x 3/4
Mkey [24]

7 3/4

Step 1: Multiply 7 and 4.

            7 x 4=28

Step 2:Add 3 to their product.

         28+3=31

Step 3:The number so obtained is the numerator and the denominator remains the same.

Answer: 31/4

I think that is what you are looking for!

Hope that helps!!!

7 0
3 years ago
If 2^n+2-2^n+1+2^n= C*2^n, find the value of C
maxonik [38]

Answer:

c= 1

Step-by-step explanation:

To get rid of (c) on the right side, simply divide 2^n both side. But first collect like terms on the left side so you will get 2^n + 1 which you will then simplify the like term(2^n) and you will left with c= 1.

8 0
3 years ago
Which of the following fractions are equivalent to 15/21? Select all that apply.
scoundrel [369]

Answer:

A. 5/7
B. 30/42

Step-by-step explanation:

I just used an equivalent fractions calculator.
Please correct me if I'm wrong :)

3 0
3 years ago
Read 2 more answers
If M = 624,619,430,000 find the smallest power of 10 that will exceed M
AveGali [126]

<u>Answer-</u>

<em>The smallest power of 10 that will exceed M is 12.</em>

<u>Solution- </u>

Here,

M = 624,619,430,000

Writing this number in scientific notation,

M = 624,619,430,000 = 6.24619430\times 10^{11}

As the given number is the order of 11, so the next order will be greater than M.

So the next order of 10 will be,

=10^{11+1}

=10^{12}

Therefore, the smallest power of 10 that will exceed M is 12.

8 0
4 years ago
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