3 years ago

What is the completely factored form of x^4+8x^2-9

Mathematics

1 answer:

miss Akunina [59]3 years ago

7 0

Answer:

I think it is (x^2+9) x (x-1) x (x+1)

Step-by-step explanation:

(not sure if right but had a go)

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Plz help me the question is in the picture

Kobotan [32]

10.5 or 10 1/2 basically ten and a half

6 0

3 years ago

Find (f ∘ g)(4) when f(x) = -5x - 7 and g(x) = -6x 2 + 9x + 9.

mr_godi [17]

Answer:

$\boxed{\sf \ \ \ 248 \ \ \ }$

Step-by-step explanation:

Hello,

$(fog)(4)=f(g(4)) \ \ \ and \ \ \ g(4)=-6*4^2+9*4+9=-51 \ \ so\\(fog)(4)=f(-51)=-5*(-51)-7=255-7=248$

hope this helps

7 0

3 years ago

Kayla has 1,000 Apples in 5 bags, Mack has 999 apples in 5 bags as well, how many apples does Kayla have THAN Mack? Mack said th

sesenic [268]

Kayla is correct because if she has 1,000 and Mack has 999, then that means he needs only one more Apple to be equal with Kaylas amount of apples . 999+ 1 = 1,000

6 0

3 years ago

Mrs. Lee works 4y hours each day from Monday to Friday. She works (4y-4) hours on Saturday.

7nadin3 [17]

Answer:

24y-4

Step-by-step explanation:

4y*5=20y

20y+4y-4= 24y-4

5 0

3 years ago

What is the area of this trapezoid?

kolezko [41]

Answer:

are of trapezoid =1/2×height(a+b)

Step-by-step explanation:

A=1/2×8(10+20)

=4×30

=120cm*

5 0

3 years ago