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Andrews [41]
2 years ago
11

HELP I NEED THIS DONE ASAP

Mathematics
2 answers:
pychu [463]2 years ago
7 0

Answer:

B

Step-by-step explanation:

You need to move the decimal 7 places to the right

Feliz [49]2 years ago
6 0

Answer

4 x 10^-7

hope this is it

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What is the product of a+3 and −2a2+15a+6b2?
Lady bird [3.3K]

Answer:

c. 2a3+9a2+45a+6ab2+18b2

Step-by-step explanation:

(a+3) + (−2a2+15a+6b2)

Using distributed p. with and a and 3

a(−2a2) + a(15a) +a(6b2)        and       3(−2a2) + 3(15a) + 3(6b2)

= -−2a3 + 15a2 + 6ab2                          = -6a2 + 45a + 18b2

Now add like terms and put in standard form.

15a2+(-6a2) = 9a2  

And equals

-2a3 + 9a2+45a+6ab2+18b2

Trust me I took the test and got 100%

Your welcome,

7 0
3 years ago
Read 2 more answers
I NEED HELP ASAP PLEASE!!
Makovka662 [10]

Answer:

(2x-3) (2x+3)

zeros, x intercepts:  -3/2, 3/2

Step-by-step explanation:

4x^2 -9

We know the difference of squares is a^2 -b^2

This factors into (a-b) (a+b)

Let 4x^2 =a^2  

Taking the square root

2x =a

Let b^2 =9

Taking the square root

b= 3

(4x^2-9 ) = (2x-3) (2x+3)

To find the zeros, we set the equation equal to zero

(4x^2-9 ) = (2x-3) (2x+3) =0

Using the zero product property

2x-3 =0   and 2x+3 =0

2x-3+3 = 0+3                    2x+3-3 = 0-3

2x=3                                  2x=-3

Divide by 2

2x/2 = 3/2                               2x/2 = -3/2

x = 3/2                                       x = -3/2

These are the zeros of the equation (which are also the x intercepts)

8 0
3 years ago
Solve for ×. site all steroids and check your work.<br><br> 3×+5=35
Anna71 [15]
X=10 first u do 35-5 then u do 30/3 to get 10

5 0
3 years ago
Read 2 more answers
If bethanie and Mike both take eight minutes to drive to work, which person drives to the higher elevation
just olya [345]

It would depend if they are going to the same work or not.


6 0
3 years ago
Write an expression for the situation
MAXImum [283]

Answer:

3b

Step-by-step explanation:

if each brick is 3 inches tall, and there are b bricks, each b is 3, therefore 3b

8 0
3 years ago
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