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2 years ago

Jenny is saving $18 a week. She wants to buy a cell

Mathematics

2 answers:

mr_godi [17]2 years ago

5 0

Answer: 14

Step-by-step explanation:

So what I did was divided 252 by 18 and got 14

I divided the money she needed by how much she gets every week and got 14 so that means it will take her 14 weeks to get her phone.

BAM! Hope it helps! :}

tester [92]2 years ago

3 0

14
Because you divide

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Dmitrij [34]

Hey there!

The answer to your question is $4x^2+2x-2$

Given:

$x^2-3x+7$ $and$ $3x^2 +5x-9$

First, we can start by adding like terms. The following are like terms:

$x^2$ $and$ $3x^2$

$-3x$ $and$ $5x$

$7$ $and$ $-9$

Now, we can add these pairs together, giving us:

$4x^2$

$2x$

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Now, add all this together, and we get our answer as:

$4x^2 + 2x - 2$

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Step-by-step explanation:

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3 years ago

Show that x³ + y³ + z³ - 3xyz is a multiple of x+y+z

White raven [17]

x³ + y³ + z³ - 3xyz is a multiple of x+y+z.

<h3>What is a multiple?</h3>

It should be noted that a multiple simply means a number that van be divided by another a certain number if times without a remainder.

Put x + y + z = 0

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1 year ago

-m + 10 = -8 – 6m + 3m

Crank

M = -9 ; solve for m by simplifying both sides of the equation, then isolating the varible

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3 years ago

Find the value of (+328.62) – (+98.6). A. 230.02 B. 427.22 C. –427.22 D. –230.02

Jet001 [13]

Answer:

Option A - $(+328.62)-(+98.6)=230.02$

Step-by-step explanation:

We have given the expression $(+328.62)-(+98.6)$

We have to find the value of the expression ?

Solution :

Step 1 - Write the expression

$=(+328.62)-(+98.6)$

Step 2 - Applying symbol rule i.e. multiplication of positive into negative is always negative, $(-)(+)=(-)$

$=328.62-98.6$

Step 3 - Solve

$=230.02$

Therefore, The value of the expression is $(+328.62)-(+98.6)=230.02$

So, Option A is correct.

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2 years ago