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Anettt [7]
3 years ago
5

A + B = C which is correct.

Mathematics
2 answers:
sashaice [31]3 years ago
4 0
A is the correct answer. good luck
ad-work [718]3 years ago
3 0

Answer:

i think a is correct

Step-by-step explanation:

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4 years ago
Express the product of 2x^2 +7x-10 and x+5 in Standard form.
KIM [24]

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2x^3 + 17x^2 + 25x - 50

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7 0
3 years ago
Please help !! Geometry homework. Will mark brainliest answer !
Ann [662]

Answer:

It is True.

Step-by-step explanation:

Let's solve the rational equation and if it is ture.

x/8 = 5/4

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4x = 40

Dividing both sides by 4, we get

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Therefore, x = 10 is true.


Thank you. :)


4 0
3 years ago
Read 2 more answers
Consecutive integers
kotykmax [81]
Consecutive integers<span> are </span>integers<span> that follow each other in order. They have a difference of 1 between every two numbers. In a set of </span>consecutive integers<span>, the mean and the median are equal. If n is an </span>integer<span>, then n, n+1, and n+2 would be </span>consecutive integers<span>. 

</span>
7 0
4 years ago
Please help me thank you
Hoochie [10]

Answer:

\large\boxed{\sin2\theta=\dfrac{\sqrt3}{2},\ \cos2\theta=\dfrac{1}{2}}

Step-by-step explanation:

We know:

\sin2\theta=2\sin\theta\cos\theta\\\\\cos2\theta=\cos^2\theta-\sin^2\thet

We have

\sin\theta=\dfrac{1}{2}

Use \sin^2\theta+\cos^2\theta=1

\left(\dfrac{1}{2}\right)^2+\cos^2\theta=1\\\\\dfrac{1}{4}+\cos^2\theta=1\qquad\text{subtract}\ \dfrac{1}{4}\ \text{from both sides}\\\\\cos^2\theta=\dfrac{4}{4}-\dfrac{1}{4}\\\\\cos^2\theta=\dfrac{3}{4}\to\cos\theta=\pm\sqrt{\dfrac{3}{4}}\to\cos\theta=\pm\dfrac{\sqrt3}{\sqrt4}\to\cos\theta=\pm\dfrac{\sqrt3}{2}\\\\\theta\in[0^o,\ 90^o],\ \text{therefore all functions have positive values or equal 0.}\\\\\cos\theta=\dfrac{\sqrt3}{2}

\sin2\theta=2\left(\dfrac{1}{2}\right)\left(\dfrac{\sqrt3}{2}\right)=\dfrac{\sqrt3}{2}\\\\\cos2\theta=\left(\dfrac{\sqrt3}{2}\right)^2-\left(\dfrac{1}{2}\right)^2=\dfrac{3}{4}-\dfrac{1}{4}=\dfrac{3-1}{4}=\dfrac{2}{4}=\dfrac{1}{2}

3 0
3 years ago
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