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skelet666 [1.2K]
3 years ago
8

Which expressions are equivalent to 4(4a+5)

Mathematics
1 answer:
avanturin [10]3 years ago
5 0
2 (8a+10) is the answer
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Which of the following is closest to 27.8×9.6? <br> A 280 <br> B 300<br> C 2,800<br> D 3,000
Pepsi [2]
27.8 * 9.6 = 266.88 so it would be closest to A. 280
6 0
3 years ago
Which function is an even function?<br> A. y=x^8+x^5<br> B. y=x^6+x^2<br> C.y=x^9+x^5
vladimir1956 [14]

The correct answer is B. This is because 6 and 2 are both even numbers. When multiplied, you get 12 which is an even number.

Hope this helps!

6 0
4 years ago
Read 2 more answers
If h(x)=x^4-2x^2-x+4 , then what is h(x)/(x+3)? You may use either long or synthetic division.
ozzi

Answer:

\frac{x^4\:-\:2\:x^2\:-\:x\:+\:4}{x\:+\:3}=x^3-3x^2+7x-22+\frac{70}{x+3}

Step-by-step explanation:

We are going to use long division to find the expression for \frac{x^4\:-\:2\:x^2\:-\:x\:+\:4}{x\:+\:3}

Step 1: Divide \frac{x^4-2x^2-x+4}{x+3}

  • Divide the leading coefficients of the numerator x^4-2x^2-x+4 and the divisor x+3

\frac{x^4}{x}=x^3

Quotient = x^3

  • Multiply x+3 by x^3

x^4+3x^3

  • Subtract x^4+3x^3 from x^4-2x^2-x+4 to get new remainder

Remainder = -3x^3-2x^2-x+4

Therefore,

\frac{x^4-2x^2-x+4}{x+3}=x^3+\frac{-3x^3-2x^2-x+4}{x+3}

Step 2: Divide \frac{-3x^3-2x^2-x+4}{x+3}

Quotient = -3x^2

Remainder = 7x^2-x+4

Therefore,

\frac{x^4-2x^2-x+4}{x+3}=x^3-3x^2+\frac{7x^2-x+4}{x+3}

Step 3: Divide \frac{7x^2-x+4}{x+3}

Quotient = 7x

Remainder = -22x+4

Therefore,

\frac{x^4-2x^2-x+4}{x+3}=x^3-3x^2+7x+\frac{-22x+4}{x+3}

Step 4:

Quotient = -22

Remainder = 70

Therefore,

\frac{x^4-2x^2-x+4}{x+3}=x^3-3x^2+7x-22+\frac{70}{x+3}

3 0
3 years ago
PLEASE HELP ASAP!!! I'LL GIVE BRAINLIEST TO WHO IS RIGHT!!!!
8090 [49]
6.9 I am pretty sure
6 0
3 years ago
1. Sonnie is selling her artworks in the form of stickers and bags tags for
Dafna11 [192]

Answer:

50y + 75x ≥ 1000 ;

50(15) ≥ 750;

x ≥ 4

y ≥ 15

Step-by-step explanation:

Given that :

Number of stickers sold = y

Cost of sticker = 50

Cost of bag tag = 75

Number of bag tags sold = x

Total worth of items sold ≥ 1000

1)

50y + 75x ≥ 1000

2.)

To make atleast 15 stickers

y ≥ 15

Atleast 15 stickers :

50(15) ≥ 750

3.)

A possible solution :

50(15) + 75(x) ≥ 1000

750 + 75x ≥ 1000

75x ≥ 250

x ≥ 3.33

x ≥ 4

y ≥ 15

4 0
3 years ago
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