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sukhopar [10]
3 years ago
14

Factor the polynomial: 462 + 15b - 4

Mathematics
1 answer:
kirza4 [7]3 years ago
8 0

Answer:

15(\frac{458}{15}+b) or

15(b+\frac{458}{15})

Step-by-step explanation:

First we can subtract the 4.

458 + 15b

Now we need to find the GCF, but they do not share any kinds of factors together. This might look ugly, but it is what it is. We factor out 15 to get b by itself.

15(\frac{458}{15}+b) or

15(b+\frac{458}{15})

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Answer:

(i) 22.5

(ii) 7.2

Step-by-step explanation:

(i)

AB:PQ = 2:5 = 1:2.5

So PQ is 2.5 times longer than AB.

PQ=2.5AB=(2.5)9=22.5

(ii):

Since the triangles are similar, their sides are in ratio to each other. So if PQ was 2.5 times longer than AB, QR must also be 2.5 times longer than BC:

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7 0
3 years ago
Use: Ck = k! (n-k)!
Arlecino [84]

Answer:

3 ways.

Step-by-step explanation:

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In this question:

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5 0
3 years ago
Answer and explain step by step.​
Vitek1552 [10]

Answer:

Step-by-step explanation:

it no solution

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6 0
2 years ago
Given f (x )equals 2 x minus 5 and g (x )equals 5 x squared​, first find f plus g​, f minus g​, ​fg, and StartFraction f Over g
baherus [9]

Answer:

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Domain: All real numbers

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Domain: All real numbers

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Domain: All real numbers

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Domain: (negative infinity, 0)U(0, positive infinity)

Step-by-step explanation:

For f + g, we are simply adding the 2 together

<em>Domain: All values of x work, as any value x outputs any value y</em>

For f - g, we are simply subtracting the 2 together

<em>Domain: All values of x work, as any value x outputs any value y</em>

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<em>Domain: All values of x work, as any value x outputs any value y</em>

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<em>Domain: All values except for 0 work (undefined error), so asymptote at x = 0</em>

6 0
3 years ago
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Time =    Distance / Speed
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         =        1.778 hours.
8 0
3 years ago
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