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3 years ago

What is f(2) for f(x)=2x^4-5x^2-3x+2

Mathematics

2 answers:

zysi [14]3 years ago

8 0

2(2^4) - 5(2^2) - 3*2 + 2 = 32-20-6+2 = 8

seraphim [82]3 years ago

6 0

I believe the correct answer is 8. Hope this helps! :)

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Can anyone teach mee.....................

andrew11 [14]

Answer:

(i) The name of the part of the circle, OQ is a radius

(ii) The radius of the sector QOR is 21 cm

Step-by-step explanation:

The given figure is a sector of the circle O

∵ Any sector of a circle formed from 2 radii and an arc

∴ OQ is a radius

(i) The name of the part of the circle, OQ is a radius

The rule of the length of an arc of a circle is L = $\frac{\alpha }{360}$ × 2 π r, where

α is the angle of the sector

r is the radius of the circle

∵ The length of the arc QR is 22 cm

∴ L = 22

∵ The measure of the angle of the arc is 60°

∴ α = 60°

∵ π = $\frac{22}{7}$

→ Substitute them in the rule above

∵ 22 = $\frac{60}{360}$ × 2 × $\frac{22}{7}$ × r

∴ 22 = $\frac{22}{21}$ r

→ Divide both sides by $\frac{22}{21}$

∴ 21 = r

(ii) The radius of the sector QOR is 21 cm

5 0

3 years ago

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forsale [732]

It’s c. Where the two planes intersect

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3 years ago

5 wholes 2/3 gallon in 2 hours

Firdavs [7]

What do you mean? I don't think it's enough information

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3 years ago

What are the largest numbers for each of the following sums of three consecutive numbers: n Correct answer is brainliest

Andreyy89

Answer:

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3 years ago

What is the length of the line segment with endpoints (11,−4) and (−12,−4) ?

bija089 [108]

Answer:

Length of the line segment with endpoints (11,−4) and (−12,−4) is 23 units

Step-by-step explanation:

Given:

Endpoints are (11,−4) and (−12,−4)

To Find:

The length of the line = ?

Solution:

The length of the line can be found by using the distance formula

$\sqrt{(x_2-x_1)^2 +(y_2 - y_1)^2$

Here

$x_1$ = 11

$x_2$ = -12

$y_1$ = -4

$y_2$ = -4

Substituting the values

Length of the line

=> $\sqrt{((-12)- 11)^2 +((-4) - (-4))^2$

=> $\sqrt{(-12- 11)^2 +(-4+4)^2$

=> $\sqrt{(-23)^2 +(0)^2$

=> $\sqrt{529}$

=>23

8 0

3 years ago

Read 2 more answers