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3 years ago

10

15x^2+5x GCF help. out please

1 answer:

Taya2010 [7]3 years ago

6 0

Answer:

5x is the GCF

Step-by-step explanation:

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What is x^2+x-20=0. <br> please help

zepelin [54]

X² + x - 20 = 0

x² = x * x
x = the sum of the factors of -20
-20 ⇒ 1 x 20
2 x 10
- 4 x 5 ⇒ only these factors can arrive to a sum of 1

(x - 4)(x + 5) = x(x+5) - 4(x+5) = x² + 5x - 4x - 20 = x² + x - 20

x - 4 = 0
x = 4

x + 5 = 0
x = -5

7 0

4 years ago

-<br> If f(x) = x3 - 2, find f(3).<br> O 25<br> O 24<br> O 26<br> O 20

kolezko [41]

Answer:

Option A, $25$

Step-by-step explanation:

<u>Step 1: Plug in 3 for x and solve</u>

$f(x) = x^3 - 2$

$f(3) = (3)^3 - 2$

$f(3) = 27 - 2$

$f(3) = 25$

Answer: Option A, $25$

5 0

2 years ago

Cho hình thang vuông ABCD, có góc A=góc D=90 độ. AD=77cm, AB=91cm, DC=127cm. Tính góc C và cạnh BC

Y_Kistochka [10]

Answer:

put in eng then I can help u

4 0

3 years ago

I bought 3 bags of red bows.

11111nata11111 [884]

24+3= 27 divide by 3 equals 9 in each bag

3 0

3 years ago

Hello I need Help with this question ASAP PLS.

Korolek [52]

Answer:

$0.80

Step-by-step explanation:

Find the unit rate

1 apple costs ?

1.20/6 = cost of 1 apple

1 apple = $0.20

4 apples = $0.20 * 4

4 apples = $0.80

6 0

2 years ago

Read 2 more answers