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Kaylis [27]
3 years ago
13

Choose the correct solution and graph for the inequality.

Mathematics
1 answer:
kupik [55]3 years ago
4 0

Answer:

The first one..

Step-by-step explanation:

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The radius of a quarter circle is 3 what is the quarter circle's perimeter?
slava [35]

Answer:

21.42

Step-by-step explanation:

Imagine it as a full circle. 3 x 4 will give you the diameter of a full circle, which is 12. circumference = pi x diameter. so 12 pi (we can work that out later). now for the quater circle, divide it by 4, so 3 pi. Then you have the 2 extra edges which are both 2r, so 6 each. finally, you have 3 pi plus 12 which = 21.42

6 0
2 years ago
X^2+3x^4-2x=7 is it a quadratic equation​
WITCHER [35]
No it’s not. a quadratic formula has x^2 as the highest value(?). the highest exponent here is 3x^4. it’s called a quartic polynomial
6 0
3 years ago
Adam bought 12 bagels. It cost him $30. How much does each bagel cost
Sedbober [7]

Answer:

$2.50

Step-by-step explanation:

$30 divided by 12 = 2.5

Each bagel is $2.5

4 0
2 years ago
Verify which of the following are identities.
-Dominant- [34]

Answer:

Only the second equation is an identity

Step-by-step explanation:

$8 \frac{\tan^2(\theta)}{\sec(\theta)} \csc^2(\theta)=8 \csc(\theta)$

<u>Note that </u>

\tan^2(\theta)\csc^2(\theta)=\sec^2(\theta)

<u>You can confirm it: </u>

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

<u>Therefore</u>

$8 \frac{\sec^2(\theta)}{\sec(\theta)} =8 \csc(\theta)$

$8 \frac{\sec(\theta)}{1} =8 \csc(\theta)$

8\sec(\theta)=8\csc(\theta)

<h2>It is not an Identity</h2>

<u>Let's the second one</u>

$13 \frac{\tan^2(\theta)}{\sec(\theta)} \csc^2(\theta)=13\sec(\theta)$

In this case, we already performed the calculations, so it is true. It is an Identity.

3 0
2 years ago
Tina completed two-thirds of her homework George completed 78 of his homework who completed a greater fraction of homework
masya89 [10]
George completed more homework than Tina. Two thirds is equall to 66%
3 0
3 years ago
Read 2 more answers
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