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sweet [91]
3 years ago
11

If p(x) = 2x2 – 4x and q(x) = x – 3, what is (p*q) (x)

Mathematics
1 answer:
jonny [76]3 years ago
6 0
Hello:
(poq)(x) = p(q(x))=  p(x-3) = 2(x-3)²-4(x-3) = 2(x²-6x+9)-4(x-3)
(poq)(x) = 2x²-12x+18-4x+12
(poq)(x) = 2x²-16x+30... (answer : C )

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Find the volume of each figure to the nearest tenth. Use 3.14 for<br> No viruses please
ludmilkaskok [199]

Answer:

1) 188.4 in³

2)306 in³

3)210in³

Step-by-step explanation:

1) r = 5in   h = 12in

5 * 12 * 3.14

2) L = 3    W = 8.5     H = 12

3 * 8.5 * 12

3) \frac{1}{2} ( B = 5    W = 7    H =  12)

.5(5 * 7 * 12)

6 0
2 years ago
A random sample of 7 fields of durum wheat has a mean yield of 29.8 bushels per acre and standard deviation of 3.62 bushels per
meriva

Answer:

CI = 29.8 ± 3.53

Critical value is z = 2.58

Step-by-step explanation:

First of all let's find margin of error. It is given by the formula;

ME = zσ/√n

We are given;

Standard deviation; σ = 3.62

Sample size; n = 7

Mean; x¯ = 29.8

Now, z-value for 99% Confidence level is 2.58

Thus;

ME = (2.58 × 3.62)/√7

ME = 3.53

CI is written as;

CI = x¯ ± ME

CI = 29.8 ± 3.53

Critical value is z = 2.58

5 0
2 years ago
Erica throws a tennis ball against a wall, and it bounced bac. Which force is responsible for sending to ball back to erica
lisabon 2012 [21]
Field force is responsible
8 0
3 years ago
Simplify 5(2y+6)+(-24y)
JulsSmile [24]

Answer:

-14y + 30

Step-by-step explanation:

Tell me if I am wrong but I think this is it.

7 0
3 years ago
Read 2 more answers
Can you solve it please and explain step by step how u got it ?????Please​
allochka39001 [22]

Answer:

m<7 = 61

Step-by-step explanation:

These angles (<7, and <8) are adjacent to each other (they are next to each other), therefore they are supplementary (add up to 180).

180 - 119 = m<7

4 0
2 years ago
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