3 years ago

Solve the inequality 3(4x+1)<39

Mathematics

1 answer:

Nonamiya [84]3 years ago

7 0

it's x ≤ 3 :))) I found it out after realizing what you were asking

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Find r if 0=pi/6 rad sector 64m^2

kap26 [50]

Given:

Area of a sector = 64 m²

The central angle is $\theta=\dfrac{\pi}{6}$ .

To find:

The radius or the value of r.

Solution:

Area of a sector is:

$A=\dfrac{1}{2}r^2\theta$

Where, r is the radius of the circle and $\theta$ is the central angle of the sector in radian.

Putting $A=64,\theta=\dfrac{\pi}{6}$ , we get

$64=\dfrac{1}{2}r^2\times \dfrac{\pi}{6}$

$64=\dfrac{\pi}{12}r^2$

$64\times \dfrac{12}{\pi}=r^2$

$\dfrac{768}{\pi}=r^2$

Taking square root on both sides, we get

$\sqrt{\dfrac{768}{\pi}}=r$

$16\sqrt{\dfrac{3}{\pi}}=r$

Therefore, the value of r is $16\sqrt{\dfrac{3}{\pi}}$ m.

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3 years ago

An angle measures 42 less than its complementary angle. What is measure of each angle?

yaroslaw [1]

First angle = x
Second angle = x - 42
Sum both complementary angles = 90

x+x-42=90
2x=132
x=66⁰ - First angle
x-42=66-42=24
24⁰ - Second angle

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3 years ago

Which one of these shapes is not like the others? Shape A Shape B Shape C

guapka [62]

It is c because b is an enlarged version of a

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3 years ago

Read 2 more answers

Can someone pls help thanks

kolezko [41]

I think I think that it is 8 hours. Hopefully that helps!

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3 years ago

5/10 + 1/5 = ?? Simplify answer fully

Andreyy89

Multiply the second fraction by two; which gets you 5/10 + 2/10 = 7/10

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3 years ago