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3 years ago

Pam and her sister have a pattern of saving money. Pam saved 40 dollars and her brother saved 100 dollars.

Mathematics

2 answers:

Keith_Richards [23]3 years ago

8 0

Answer:

true

Step-by-step explanation:

Pam saved 40

her bro saves 100

let us take this as ration 40 is to 100 which can also be written in fractional for like 40/100 now we simplify it how by dividing both by 20 so (40/20)/(100/20) which will give 2/5 which can be written as 2 is to 5 so this is true

Marysya12 [62]3 years ago

4 0

Answer:

Oct 25, 2016 — Pam and her brother both open savings accounts. each begin with a balance of $0. For every $2 is that Pam saves in her account her brother ...

Step-by-step explanation:

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lesya [120]

Answer:

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Step-by-step explanation:

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Can you help me solve systems of equations by elimination step by step 6x+y=15 -7x-2y=-10

Anna71 [15]

Answer: (4, -9)

Step-by-step explanation:

Use elimination method. Manipulate one (or both) equations to eliminate one of the variables and solve for the remaining variable. I will be eliminating y

6x + y = 15 → 2(6x + y = 15) → 12x + 2y = 30

-7x - 2y = -10 → 1(-7x + 2y = -10) → -7x - 2y = -10

5x = 20

x = 4

Next, replace "x" with "4" into either equation and solve for y.

6(4) + y = 15

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Check:

Plug in x = 4 and y = -9 into the other equation to verify it makes a true statement.

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3 years ago