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Mrac [35]
2 years ago
10

Rebecca has $128 to spend. She

Mathematics
1 answer:
kobusy [5.1K]2 years ago
5 0

Answer:

12.5x =10x+10

12.50x=x10+10

subtract 10x from both sides

2.5x=10

divide by 2.5

x=4

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Erika ran 3/8 mile. maria ran 3/4mile. who ran farther
Alekssandra [29.7K]
Maria. You can check by dividing 8 into 3 and 3 into 8.
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3 years ago
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find the sums.does the order of the addends matter in an addition sentence? what property is this. -5+6= 6+(-5)=
azamat

In this question we will be using Commutative Law of Addition which is as follows:

The Law that says you can swap numbers around and still get the same answer when you add.

a+b =b+a

where a and b are addends.

Using this law, we can clearly see that order of addends does not matter at all in addition.

Now adding -5+6, we get 6-5 which is equal to 1

Answer is 1

6 0
3 years ago
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Overview
MaRussiya [10]

Answer:

20 292 02 202 202

Step-by-step explanation:

4 0
3 years ago
According to.the order of operation, which of the following operations should be completed first in the following expression 2(5
Phantasy [73]

Answer:

Step-by-step explanation:

PEDMAS

P - Parenthesis

E - Exponents

D - Division

M - Multiplication

A - Addition

So, 2(5-3)^3+6^2  

5 - 3 should be completed first as it is inside parenthesis

2(5-3)^3+6^2 = 2 *2^3 + 6^2

                     = 2 * 8 + 36            {exponents}

                     = 16 + 36              {Multiplication}

                    = 52

8 0
3 years ago
What is the step by step way to solve this exponential equation?2^(x+1)=3^x
FinnZ [79.3K]
2⁽ˣ⁺¹⁾ = 3ˣ

ln[2⁽ˣ⁺¹⁾] = ln(3ˣ)

(x+1).ln(2) = x.ln(3)
Expand:

x.ln(2) + ln(2) = x.ln(3)

x.ln(2) - x.ln(3) = - ln(2)

x[ln(2) - ln(3)] = - ln(2)

x = [ - ln(2)] / [ln2) - ln(3)

And x = 1.7095

5 0
3 years ago
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