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3 years ago

What values of c and d make the equation true? c = 1, d = 3 c = 1, d = 32 c = 2, d = 8 c = 2, d = 32

Mathematics

2 answers:

saveliy_v [14]3 years ago

6 0

The answer is C: c = 2, d = 8

zheka24 [161]3 years ago

3 0

The answer is going to be the second one, since if you plug them it, the equation is true

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Could someone help with this, please? For a brainlest

klemol [59]

Answer: x=17 (if that’s what you mean)

explanation: a straight line is 180 degrees, so we can minus 180-115 which will give you 65, and if you set the equation given equal to 65, you’ll get 17

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3 years ago

<img src="https://tex.z-dn.net/?f=%5Cfrac%7B%5Csec%5Cleft%28x%5Cright%29%7D%7B%5Ccos%5Cleft%28x%5Cright%29%7D-%5Cfrac%7B%5Csin%5

DanielleElmas [232]

Answer:

Step-by-step explanation:

First, convert all the secants and cosecants to cosine and sine, respectively. Recall that $csc(x)=1/sin(x)$ and $sec(x)=1/cos(x)$ .

Thus:

$\frac{sec(x)}{cos(x)} -\frac{sin(x)}{csc(x)cos^2(x)}$

$=\frac{\frac{1}{cos(x)} }{cos(x)} -\frac{sin(x)}{\frac{1}{sin(x)}cos^2(x) }$

Let's do the first part first: (Recall how to divide fractions)

$\frac{\frac{1}{cos(x)} }{cos(x)}=\frac{1}{cos(x)} \cdot \frac{1}{cos(x)}=\frac{1}{cos^2(x)}$

For the second term:

$\frac{sin(x)}{\frac{cos^2(x)}{sin(x)} } =\frac{sin(x)}{1} \cdot\frac{sin(x)}{cos^2(x)}=\frac{sin^2(x)}{cos^2(x)}$

So, all together: (same denominator; combine terms)

$\frac{1}{cos^2(x)}-\frac{sin^2(x)}{cos^2(x)}=\frac{1-sin^2(x)}{cos^2(x)}$

Note the numerator; it can be derived from the Pythagorean Identity:

$sin^2(x)+cos^2(x)=1; cos^2(x)=1-sin^2(x)$

Thus, we can substitute the numerator:

$\frac{1-sin^2(x)}{cos^2(x)}=\frac{cos^2(x)}{cos^2(x)}=1$

Everything simplifies to 1.

7 0

3 years ago

Albert drew a rectangular prism with the following dimensions:

raketka [301]

The volume of the rectangular prism that Albert drew given its dimensions is 576 inches³.

<h3>What is the volume?</h3>

A rectangular prism is a three-dimensional object that is made up of six faces, 12 sides and 6 vertices. The volume of the rectangular prism can be determined by multiplying the dimensions of the figure together.

Volume = length x width x height

8 x 6 x 12 = 576 inches³

To learn more about rectangular prisms, please check: brainly.com/question/8890358

#SPJ1

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2 years ago

Find the new area (I-ready)

fiasKO [112]

Answer:

150 squared yards

Step-by-step explanation:

To get the area of something you need to multiple the width and the length of that something.

The scale for he game room is 1 ft: 5 yd.

Multiple 5 yd for every foot.

You get 10 yd as your height and 15 yd as your length.

Multiple 10 and 15 to get the area.

10*15=150 squared yards

3 0

3 years ago

Can someone help me with this? thx

myrzilka [38]

Answer:

Huh, is there a question involved here? :)

Please tell us!

4 0

3 years ago

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