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Anika [276]
3 years ago
14

A. Multiply the factors you found above to verify that their product equals x2 + 6x + 5. Show your work

Mathematics
1 answer:
madreJ [45]3 years ago
5 0

Answer:

Step-by-step explanation:

x2 + 6x + 5

x2 + x + 5x + 5

x ( x + 1) + 5(x + 1)

(x + 5) and ( x + 1) are the factors

Now multiplying the factors

(x + 1) (x + 5)

x2 + 5x + x + 5

x2 + 6x + 5

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At a construction job for a house there are 40 painters.of these painters 85% of them paint the interior of the house.how many p
grandymaker [24]

Answer:

34 painters were painting the interior

Step-by-step explanation:

40*.85= 34 and since .85 is the decimal of a the fraction 85% and we are trying to figure out 85% of 40 workers we times the two and find the answer to be 34 workers.

4 0
3 years ago
Solve Q²= a(p²-b²)/p in form of y=mx+c
umka2103 [35]

Answer:

We want to rewrite:

q^2 = a*(p^2 - b^2)/p

as a linear equation, in the form:

y = m*x + c

So we start with:

q^2 = a*(p^2 - b^2)/p

we can expand the left side to get:

q^2 = (a/p)*p^2 - (a/p)*b^2

q^2 = a*p - (a/p)*b^2

Now we can ust define:

a*p = c

Then we can replace that to get:

q^2 = -(a/p)*b^2 + c

now we can replace:

q^2 = y

b^2 = x

Replacing these, we get:

y = -(a/p)*x + c

finally, we can replace:

-(a/p) = m

then we got the equation:

y = m*x + c

where:

y = q^2

x = b^2

c = a*p

m = -(a/p)

4 0
3 years ago
Help!!!!!!!!!!!!!!!!​
kaheart [24]

Answer:

\cos\alpha\sin\alpha(\cos\alpha-\sin\alpha)

Step-by-step explanation:

First, simplify each term:

\sin\left(\dfrac{\pi}{2}+\alpha\right)=\cos \alpha\\ \\\cos \left(\dfrac{\pi}{2}+\alpha\right)=-\sin \alpha\\ \\\cos \left(\alpha-\dfrac{3\pi}{2}\right)=-\sin \alpha\\ \\\sin \left(\dfrac{3\pi}{2}+\alpha\right)=-\cos \alpha

Then given expression is equivalent to

\cos ^3\alpha+(-\sin \alpha)^3-(-\sin \alpha)+(-\cos \alpha)\\ \\=\cos ^3\alpha-\sin^3 \alpha+\sin \alpha-\cos \alpha\\ \\=(\cos\alpha-\sin\alpha)(\cos^2\alpha+\cos\alpha\sin\alpha+\sin^2\alpha)-(\cos\alpha-\sin\alpha)\\ \\=(\cos\alpha-\sin\alpha)(1+\cos\alpha\sin\alpha-1)\ \ [\cos^2\alpha+\sin^2\alpha=1]\\ \\=\cos\alpha\sin\alpha(\cos\alpha-\sin\alpha)

6 0
3 years ago
The area of a square mural is 144x2 - 72x + 9. What is the length of one side<br> of the mural?
marissa [1.9K]

Answer:

-0.25 units

Step-by-step explanation:

144x^2 - 72x + 9 = 0

common factor: 9

16x^2 - 8x + 1 = 0

(4x + 1)^2 = 0

4x +1 = 0

4x = -1

x = -0.25 units

6 0
3 years ago
200% of what is 26 please answer right away and ill give 5 star and a thanks
Crazy boy [7]

Answer:

26 of 200% is 13

Step-by-step explanation:

mark me brainiest

pls and ty

hope this helps!

<em>QUEENOFTARUS</em>

6 0
2 years ago
Read 2 more answers
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