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Mashutka [201]
3 years ago
15

John has $80. Every week, he spends $7.Create an equation that represents How much money, m, in dollars, will he have after the

fourth week? Enter the equation and the answer on separate lines. (Will give brainliest)
Mathematics
1 answer:
Ksivusya [100]3 years ago
7 0

Answer:

Something like M=80-(7x4)

Step-by-step explanation:

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Prove the divisibility of the following numbers: 45^10·5^40 by 25^20
beks73 [17]

For this case we have the following expressions:

45^{10} * 5^ {40} and 25^{20}

Let:

45^{10} * 5^ {40} (Integer m)

25^{20} (Integer n)

By definition, an integer m is divisible by an integer n if the remainder of the division is 0. That is, there is an integer p such that: m = n * p

Rewriting the expression we have:

25^{20} = 5^{2 * (20)} = 5^{ 40}

So:

\frac {45^{10} * 5^{ 40}} {5^{40}} =

We cancel similar terms:

45^{10}

We check:

45^{10} * 5^{ 40} = 5^{ 40} * 45^{ 10}

Answer:

If they are divisible

6 0
3 years ago
Please help asap!! I'll give you brainliest!!
Serjik [45]

Answer:

-4

Step-by-step explanation:

To find the slope, you can use the formula y2-y1/x2-x1. Plugin any set of values. Say 13 is y2, and 5 is y1. 13-5=8. We now have 8/x2-x1. You have to use the x-values of the y-values that you already used. -2 is x2 and 0 is x1. -2-0=-2. 8/-2 = -4.

4 0
4 years ago
What is the value of x in the equation 3x − 5 = x + 7?
Reptile [31]

Answer:

6

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Explanation and answer thanks
musickatia [10]
There would be 25 people in the line. 
There are 6 people between jane and ken
k - - - - - - j
there are 18 people ahead of jane including ken
- - - - - - - - - - -k - - - - - - j
and 13 people behind ken including jane
- - - - - - - - - - -k - - - - - - j - - - - - - 
if you add all of the dashes up from the row above, you will get your answer of 25 people in the line 
6 0
3 years ago
...
ICE Princess25 [194]

Answer:-5

Step-by-step explanation:

i could be wrong i used my calculator

4 0
3 years ago
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