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horsena [70]
3 years ago
7

W+w+w+w+w+15-7 I got this wrong on a math question. I did 5w+8 = 13w ​

Mathematics
2 answers:
erastova [34]3 years ago
8 0

Answer:

5w +8

Step-by-step explanation:

w+w+w+w+w+15-7

there are 5 w's

5w +15-7

5w +8

You stop here because you cannot combine anymore.

Aleonysh [2.5K]3 years ago
4 0

w+w+w+w+w+15-7=\underbrace{w+w+w+w+w}_5+(15-7)\\\\=5w+8-\text{finish}\\\\\text{You can not add 5w and 8. These are different monomials.}

Example:

5w - five apples

8 - eight strawberries

5w + 8 = (five apples) + (eight strawberries) = 13 of what?

You can add only numbers of the same fruits.

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4 0
3 years ago
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5 0
3 years ago
At most, Alana can spend $40 on carnival tickets. Ride tickets cost $4 each, and food tickets cost $2 each. Alana buys at least
Lapatulllka [165]

Answer:

4 is the maximum number of ride tickets she can buy

Step-by-step explanation:

Here, r represents the number of ride tickets and f represents number of food tickets.

The system of inequalities is given as:

r+f\geq 16                         ....[1]

4r+2f\leq 40                    .....[2]

To solve Mathematically:

Multiply equation [1] by -2 we have;

-2r-2f \leq -32               .....[3]

Add equation [2] and [3] we have;

2r \leq 8

Divide both sides by 2 we have;

r \leq 4

Since r must be less than or equal to 4.

You can also see the graph of the given system of inequalities as shown below.

The intersection point is, (4, 12)

Therefore, the maximum number of ride tickets she can buy is, 4

3 0
3 years ago
2(x+4)=30 what is the answer
Talja [164]
<span>2(x+4)=30
divide both sides by 2
x + 4 = 15
subtract 4 to both sides
x = 11</span>
3 0
3 years ago
Read 2 more answers
I need help with this not a test
ziro4ka [17]

Answer:

15$

Step-by-step explanation:

small car is 5 times smaller so we have to multiply the prise of the small car by 5.

4 0
3 years ago
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