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kirill [66]
3 years ago
12

Subtract -2x-10 from 10x^2+3

Mathematics
1 answer:
ehidna [41]3 years ago
7 0

Answer: 10x^2​​+13+2x

Step-by-step explanation:

10x^2+3 - (-2x-10)

10x^2+3+2x+10

Collect like terms and simplify

10x^2+(3+10)+2x

10x^2​​+13+2x

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Mike wants to buy a sleeping bag for a camping trip. he finds one that cost $52.75 with a 25% discount how much will he pay for
aliina [53]

Answer:

$39.56

Step-by-step explanation:

If he gets a 25% discount, then he is basically buying the sleeping bag for 75% (75%=0.75) of the original price.

$52.75x0.75

=$39.5626

≈$39.56

(Since money only goes to the hundredths place it is rounded)

He will pay $39.56 for the sleeping bag.

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3 years ago
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What is the height of the models sail in centimeters?
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Step-by-step explanation:

the the height should be 16 cm I used the Pythagoras theory thank you.

6 0
3 years ago
What multiples of 4 are not factors of 48?
Trava [24]
Theres 20 and then theres a bunch of even numbers after 48 also theres 28, 32, 36, 40 and 44
6 0
3 years ago
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Whats the first step*<br><br> -4 = n + 5
Gnoma [55]

Answer is when you look at the problem the first thing you should notice is the variable. Now we’re on to the solving to make this Easyer for you lets put this problem in the correct order 5 + n = -4 so we have to get negative 4 so we can not solve this problem until we replace the variable so we will replace the variable with 9, now the problem will look like this 5 + 9 = -4 and theirs your answer you substitute the variable for 9. Hope this helps pls mark brainlyest.

Step-by-step explanation:

8 0
3 years ago
Please please please please help me
Natali5045456 [20]

3(x - 3) + 8x = 5(2x + 1)

Expanding the terms,

3(x - 3) + 8x = 5(2x + 1) \\ 3x - 9 + 8x = 10x + 5

Collecting like terms,

3x - 9 - 8x = 10x + 5 \\ 3x - 8x - 10x = 5 + 9

Evaluating the terms,

3x - 8x - 10x = 5 + 9 \\  - 15x = 14

Divide both sides by -15,

- 15x = 14 \\ x =   - \frac{14}{15}

7 0
3 years ago
Read 2 more answers
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