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hodyreva [135]
4 years ago
7

when 2 fractions refer to the same whole and have the same denominators explain why you can compare only the numerators

Mathematics
2 answers:
Nataliya [291]4 years ago
7 0
Because the denominators will always stay the same, no matter what. If they are the same, they will remain the same; however, if they are different, they will be changed to be the same before the numerator is considered.
Mumz [18]4 years ago
6 0
Banana apples days can cow gar var va tar car
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Could someone help me real quick? <br> What is the value of x?
babymother [125]

Answer:

x=19

Step-by-step explanation:

We know that the interior angles of a triangle add up to 180 degrees. We already have one angle, the bottom one, so let's just get that out of the picture by subtracting it from 180. The other two angles add up to be 80 degrees. What we can do is combine them together and get 4x-4=80. We have 4x because of x+3x. It equals 80 because that's what the two angles together add up to be. What we want to do now is get x by itself. Subtract 4 from both sides and get 4x=76. Now, we divide by 4, to undo multiplication. We are left with x=19, and now we have our answer.

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3 years ago
If f(x) = 3x - 2 and g(x) = 2x + 1, find (f - g)(x)
antiseptic1488 [7]

Answer:

A

Step-by-step explanation:

note that (f - g)(x) = f(x) - g(x)

f(x) - g(x)

= 3x - 2 - (2x + 1) ← distribute by - 1

= 3x - 2 - 2x - 1 ← collect like terms

= x - 3 → A

5 0
3 years ago
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What's the answer to this problem
Vadim26 [7]
12 inches is the answer im sure
7 0
3 years ago
PLEASE HELP ASAP!! TYSM!! BRAINLIEST!! :)
Feliz [49]

Answer:

1A) Degree: 3

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Step-by-step explanation:

The given polynomial is -4x+7x^3-5x^2+10

Let us rewrite the polynomial in decreasing powers of x.

This gives us the expression;

7x^3-5x^2-4x+10-----> This is called the standard form.

So let us answer the question:

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Degree: 3

B) The terms are separated by + or - signs.

Number of terms: 4

C) Standard form: 7x^3-5x^2-4x+10

2A) The given expression is (7m-2n)+(-3n-4m+1)

We expand using the distributive property to get:

7m-2n-3n-4m+1

We regroup the terms to get:

7m-4m-2n-3n+1

We simplify to obtain:

3m-5n+1

2B) The given expression is  (b^3-2b+4)-(3b^3+b-1)

b^3-2b+4-3b^3-b+1

Regroup the terms to get:

b^3-3b^3-2b-b+4-1

We simplify to get:

-2b^3-3b+3

6 0
3 years ago
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Ann [662]

Answer:

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Step-by-step explanation:

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6 0
3 years ago
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