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Alborosie
3 years ago
8

Combine like terms to simplify the following expressions 5y^2 + 7y - 8y^2 - 8y + 11

Mathematics
2 answers:
Bond [772]3 years ago
7 0
Answer is -3y^2–1y+11

Combine 5y^2 and -8y^2 to get -3y
Combine 7y and -8y to get -1y
Then put it together to get -3y^2–1y+11
jenyasd209 [6]3 years ago
4 0

Answer:

-3y^{2} -y+11

Step-by-step explanation:

Collect like terms

-3y^{2} +7y-8y+11

Collect like terms again and you get -3y^{2} -y+11

Hope this helps ʕ•ᴥ•ʔ

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|1/4 x +2| -3 =5 solve for x and graph on number line
kaheart [24]

The value of x on the number line is 24 and - 40

A number line in elementary mathematics is a representation of a graduated straight line that acts as an abstraction for real numbers, represented by the letter R. It is assumed that every point on a number line corresponds to a real number, and that every real number corresponds to a point.

When seen as a geometric space, namely the one-dimensional Euclidean space, the number line, also known as a real line in advanced mathematics, is technically defined as the set R of all real numbers. It can be conceptualized as a linear continuum, metric space, topological space, vector space (or affine space), measure space, or topological space.

The given equation is

|\frac{1}{4}x+2 | -3=5

Solving the equation:

or,|\frac{1}{4}x+2 | =5+3\\or,|\frac{1}{4}x+2 |=8\\or,\frac{1}{4}x+2=\pm8\\or,x+8=\pm32\\or,x=-8\pm32

Now we take the two separate values of x:

either x=-8+32 or x=-8-32

or,x=24 or x=-40

The value of x is 24 and - 40.

To learn more about number line:

brainly.com/question/24644930

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7 0
2 years ago
Mr. Peter's has 80 sheets of colored paper. Seven of his students need the paper for a project. How many sheets does each studen
Julli [10]

Answer:

Each student gets 11 pieces.

Step-by-step explanation:

80 ÷ 7 = 11.42857

80 divided by 7 comes out to a decimal therefore, you will have a remainder. 7 × 11 = 77

The answer would be 11 remainder 3.

8 0
3 years ago
Which expression is equivalent to <br> 10<br> 102<br> 50<br> 502
pogonyaev

Answer:

10

Step-by-step explanation:

\sqrt{100}  \\  \sqrt{10 \times 10}  \\  = 10

hope this helps

brainliest appreciated

good luck! have a nice day!

3 0
3 years ago
Which pairs of angles are supplementary? A) ∠BCD and ∠BAD B) ∠BCD and ∠ABC C) ∠BCD and ∠CDA D) ∠ABC and ∠BAD
Bogdan [553]
<span>∠ABC ∠BAD is the correct answer

</span>
4 0
3 years ago
4. If the paint costs $30 per gallon and you need to spend $60 on supplies, and you can
Bezzdna [24]

Step-by-step explanation:

if I understand this right, then you need paint and additional supplies.

but I don't see any information indicating how many gallons of paint I will need.

so, I can go only with the 1 gallon specified.

so,

1×30 + 60 = $90

we can save $45 per month.

then we need

90 / 45 = 2

months to have enough money.

please update the numbers to how many gallons you really need, and then take that result and divide it by the 45 savings per month.

3 0
3 years ago
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