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lana [24]
3 years ago
5

If f(x) = 2x to the second power - 10, find f(5)

Mathematics
1 answer:
Aleksandr [31]3 years ago
7 0
F(5) = 2(5)^2 - 10
f(5) = 2(25) - 10
f(5) = 50 - 10
f(5) = 40
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How do you find co terminal angle of -445
g100num [7]

Answer:

275°

Step-by-step explanation:

-445+360=-85+360=275°

5 0
3 years ago
Calculate a central angle in degree intercepting an arc of length 7 pi/2 cm in a circle with radius 77cm.​
sineoko [7]

The arc length of the circle exists 846.65922 cm.

<h3>How to estimate the central angle in degree? </h3>

A unit circle by definition contains a radius of 1 unit.

We have to estimate the length of the arc subtended by an angle of 7\pi/2 radians.

arc length = radius * angle

s = r$ * \theta

Where s be the arc length

r be the radius of the circle

\theta be the angle measured in radians

arc length = 77cm$*7\pi/2

arc length = 77 * 7(3.14) / 2

arc length = 846.65922 cm

Therefore, the arc length of the circle exists 846.65922 cm.

To learn more about arc length refer to:

brainly.com/question/2005046

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7 0
2 years ago
Find the length of the third side. If necessary, round to the nearest tenth. 10 14 ​
abruzzese [7]

Answer:

9.8 units

Explanation:

According to Pythagoras theorem, the square of length of the hypotenuse is equal to the sum of squares of lengths of other two sides.

Let the third side be x units.

Then,

x² + 10² = 14²

=> x² + 100 = 196

=> x² = 196 - 100

=> x² = 96

=> x = √96

=> x = 4√6

=> x = 9.79....

=> x = 9.8 (Rounding to the nearest tenths)

So, the length of the third side is 9.8 units.

5 0
3 years ago
Find the square root of 2x2x5x5x7x7
sp2606 [1]
Ohhh, look at this...

The square root of  (2 x 2) is  2 .

The square root of  (5 x 5) is  5 .

The square root of  (7 x 7) is  7 .

So the square root of  (2x2) x (5x5) x (7x7) is  (2 x 5 x 7) = <em><u>70</u></em>.

(It could also be  -70,  for reasons that we don't have to mess with right now.)
5 0
4 years ago
Read 2 more answers
Please help.... thank you​
Anna [14]

Answer:

going from left to right

1. 1/2

2. 3/4

3. 1 1/4

4. 1 1/2

5. 1 3/4

6. 2 1/2

7. 2 3/4

8. 3 1/2

9. 3 3/4

since 1/2 is > 1/4

and 3/4 is > 1/2

whenever you have a number in front of a fraction, it goes between the number it is (say 3) and the number after (4)

hope this helps:)

6 0
2 years ago
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