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rewona [7]
3 years ago
12

Please I really need ur help !!!​

Mathematics
1 answer:
AURORKA [14]3 years ago
6 0
It’s B hope this helps
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What does (d+3) represent in 4.5(d+3)=45
Scrat [10]

Answer:

(d + 3) would be 10

Step-by-step explanation:

<u>Step 1:  Distribute</u>

4.5(d + 3) = 45

(4.5 * d) + (4.5 * 3) = 45

4.5d + 13.5 = 45

<u>Step 2:  Subtract 13.5 from both sides</u>

4.5d + 13.5 - 13.5 = 45 - 13.5

4.5d = 31.5

<u>Step 3:  Divide both sides by 4.5</u>

\frac{4.5d}{4.5} = \frac{31.5}{4.5}

d = 7

<u>Step 4:  Determine what (d+3) is</u>

(d + 3)

(7 + 3)

10

Answer: (d + 3) would be 10

3 0
2 years ago
Read 2 more answers
A fan is marked up 40% on the original price. The original price was $20. What is the new price of the fan before sales tax?
JulsSmile [24]

Answer:

$28

Step-by-step explanation:

40% of 20 is 8

20 + 8 = 28

8 0
3 years ago
Please help me with this...
marusya05 [52]
218 hope this helped
6 0
3 years ago
I'm not sure how to find zeros and multipilicities
yarga [219]

If p(x) is a polynomial, then the zeros of p(x) are the values of x that satisfy p(x)=0.

So for (1), the zeros of f(x)=(x-4)(x-1)(x+3) are the solutions to

(x-4)(x-1)(x+3)=0\implies x=4,x=1,x=-3

You can think of the multiplicity of each root as the number of times a root satisfies this equation. In this case, the multiplicity of each root is 1, because there is only one factor of x-4 or x-1 or x+3.

For (2), the zeros of g(x) are the solutions to

(x+1)(x-2)^2(x-4)=0\implies x=-1,x=2,x=4

and the multiplicity of the zero x=2 is 2 because there are two factors of x-2 in g(x). The multiplicity of the other roots would be 1.

7 0
3 years ago
Height of a softball in feet h(t)=3+55+-+16+2
Ostrovityanka [42]

Answer:

18ft

Step-by-step explanation:

i can't lay out the formula

4 0
1 year ago
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