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nata0808 [166]
3 years ago
14

Find the product 15(-4) =

Mathematics
2 answers:
anygoal [31]3 years ago
6 0
-60 that is the answer to the question that was given
Ber [7]3 years ago
3 0

15·(-4) is -60, as the product of any positive number multiplied by a negative number is negative

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Brian reads 2/15 of his novel in 20 minutes if you read at the same rate what proportion of the novel can you read a one hour
Travka [436]
The answer is 6/15 or 2/5 not 6
3 0
3 years ago
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Which polynomial function has a leading coefficient of 1 and roots 21 and 31 with multiplicity 1?
schepotkina [342]

Answer:

Which i think is the first one, there may just be a typing error.

Step-by-step explanation:

A polynomial of order n has the following format:

f(x) = a(x - x_{0})(x - x_{1})...(x - x_{n-1})

In which a is the leading coefficient, x_{0}, x_{1},..., x_{n-1} are the roots.

If a root appears m times, they are said to have multiplicity m.

Leading coefficient of 1 and roots 21 and 31 with multiplicity 1

f(x) = 1(x - 21)(x - 31)

So the correct answer is:

f(x) = 1(x - 21)(x - 31)

Which i think is the first one, there may just be a typing error.

8 0
3 years ago
What is the answer for this question?
Len [333]
The correct answer is D
4 0
3 years ago
Read 2 more answers
I really need help! will give brainliest!!
TiliK225 [7]
Answer is A) AC= 20 and angle A=37°
Dilated by factor of 4 means enlarged by 4 ( multiply by 4)

The angle stays the same no matter how much you increase or decrease the size

And AC= 5 x4= 20
8 0
3 years ago
How do you find the exact value of sec θ if sin θ = -15/17 and 180 < θ < 270?
AnnyKZ [126]

For 180^\circ, we expect to have \cos\theta. Then if \sin\theta=-\dfrac{15}{17}, we have

cos^2\theta+\sin^2\theta=1\implies\cos\theta=-\sqrt{1-\sin^2\theta}=-\dfrac8{17}

\implies\sec\theta=\boxed{-\dfrac{17}8}

7 0
3 years ago
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