3 years ago

What is the factored form of 3x^2+21x-24

Mathematics

2 answers:

Oxana [17]3 years ago

8 0

Answer:

3(x-1)(x+8)

Step-by-step explanation:

3x2+21x−24

=3(x−1)(x+8)

Ber [7]3 years ago

6 0

Find the Greatest Common Factor (GCF)

GCF = 3

Factor out the GCF (Write the GCF first, then in parenthesis divide each term by the GCF)

3(3x^2/3 + 21x/3 - 24/3)

Simplify each term in parenthesis

3(x^2 + 7x - 8)

Factor x^2 + 7x - 8

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The shoes that Sofia wanted to buy at the mall were marked down from $30 to $24. What is the percentage of discount?

Nataliya [291]

30-24=6
6/30=1/5 aka 20%

The answer is 20%

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3 years ago

Heba ate 1/12 of a box of cereal. Now the box is 3/4 full

vaieri [72.5K]

Answer:

5/6

Step-by-step explanation:

1/12 + 3/4 = 9/12

9/12 + 1/12 = 10/12

simplify 10/12

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2 years ago

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Huda made 8 matching bracelets. She used 128 beads in all. How many beads did she use per bracelet?

Elden [556K]

Answer:

To figure out the answer all you have to do is divide 128 by 8 and you get:

16 beads per bracelet

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3 years ago

Pizzeria Napoli sells a round pizza with diameter 16 inches and a square pizza with side length 15 inches. Which of the two shap

zavuch27 [327]

Answer: Square, 24 square inches

Step-by-step explanation:

Given

Diameter of round pizza $d=16\ in.$

Side of square pizza $a=15\ in.$

Area of circle $\pi r^2$

The area of a square is $a^2$

$\therefore \text{Area of round Pizza}=\pi \times (\frac{16}{2})^2\\\Rightarrow A_1=\pi \times 8^2=201.088\ in.^2$

The area of square pizza is

$A_2=15^2=225\ in.^2$

Clearly, the area of square pizza is more and the difference in their area is

$\Rightarrow A_2-A_1=225-201.088=23.91\approx\ 24\ in.^2$

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2 years ago

11/12 - (-10) - 5/6 as a single rational number

Harlamova29_29 [7]

Answer:

121/12

Step-by-step explanation:

1. 11/12 - (-10) = 11/12+10 = 131/12

2. 131/12-5/6 = 131/12 - 10/12 = 121/12

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3 years ago