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WARRIOR [948]
3 years ago
7

Simplify 13x + 2y - 10x -7y

Mathematics
1 answer:
NNADVOKAT [17]3 years ago
4 0

Answer:

3x-5y

Step-by-step explanation:

Combine like terms

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Can someone please help me with this question??
Citrus2011 [14]

Answer:

2nd one

Step-by-step explanation:

3 0
3 years ago
Salim has 5 boxes of paint jars. Each box has the same number of paint jars. His teacher gives him 6 more paint jars. Now he has
olchik [2.2K]

Answer:

7 jars per box

Step-by-step explanation:

He now has 41 jars. How many did he have before his teacher gave him 6?

Well, 41-6=35. He had 35 jars before his teacher gave him more.

It says there was an equal amount of jars in each box. There are 5 boxes. Divide the total amount of jars (35) by the amount of boxes to find out how many jars are in each box.

35 jars / 5 boxes = 7 jars / box

5 0
3 years ago
A store sells black ink pens for $5 and red ink pens for $4. John wishes to buy 20 pens but doesn’t wish to spend more than $92.
Vlad1618 [11]

Answer:

Step-by-step explanation:

Let b represent the number of black

ink pens that John wants to buy.

Let r represent the number of red

ink pens that John wants to buy.

John wishes to buy 20 pens. This would be expressed as

b + r = 20

The store sells black ink pens for $5 and red ink pens for $4. John doesn’t wish to spend more than $92. The inequality to show this information would be expressed as

5b + 4r ≤ 92

3 0
4 years ago
What is the relationship between <3 and <6?
Studentka2010 [4]

we know that

<u>Alternate interior angles</u>  are two interior angles which lie on different parallel lines and on opposite sides of a transversal. Alternate interior angles are congruent.

so

m∠3=m∠6 -------> by alternate interior angles

therefore

<u>the answer is the option</u>

Alternate interior angles

5 0
3 years ago
Read 2 more answers
Jawad has seven rocks.
ad-work [718]

680 grams.

So, it's telling us to calculate the weight, in grams, of the other rock.

So firstly,

6 of the rocks EACH have a weight of 720 grams.

So, 6 x 720 = 4320

Now save 4320 for later.

Next, we need to convert the 5 kilograms into grams.

So, 5 x 1000 = 5000

now do, 5000 - 4320 = 680.

Your final answer would then be = 680g

I hope this helped.

3 0
3 years ago
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