2 years ago

WILL MAKE BRAINLEST PLS HELP

Mathematics

1 answer:

IRINA_888 [86]2 years ago

8 0

The answer is 1/6 :)

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A circular sector has a central angle of π6 radians and a radius of 9 ft.

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Answer:

$\approx \: 21.2 \: {ft}^{2}$

Step-by-step explanation:

$central \: \angle = \frac{\pi ^{c} }{6} = 30 \degree \\ \\ area \: of \: the \: sector = \frac{30 \degree}{360 \degree} \times \pi {(9)}^{2} \\ \\ = \frac{1}{12} \times 3.14 \times 81 \\ \\ = \frac{1}{12} \times 254.34 \\ \\ = 21.195 \: {ft}^{2} \\ \\ \approx \: 21.2 \: {ft}^{2}$

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3 years ago

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A courier service advertises that its average delivery time is less than six hours for local deliveries. A random sample of size

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Small sample T test for single mean

The hypothesis that we will develop will be the following:

null hypothesis = mu> = 6

hypothesis alternativa: <6

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Ann is grouping 38 rocks se can put them into Groupon of 10 rocks or as single rocks. What are the difierent ways Ann can Groupo

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She could switch them around by grouping them into groups of 4s, 3s, 2s, or 5s.

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3 years ago

What is the value of y?

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2 years ago

Suppose that the functions g and h are defined for all real numbers r as follows. gx) -4x +5 h (x) = 6x write the expressions fo

aleksandr82 [10.1K]

Answer: Our required values would be -10x+5, 2x+5 and -25.

Step-by-step explanation:

Since we have given that

g(x) = -4x+5

and

h(x) = 6x

We need to find (g-h)(x) and (g+h)(x).

So, (g-h)(x) is given by

$g(x)-h(x)\\\\=-4x+5-6x\\\\=-10x+5$

and (g+h)(x) is given by

$g(x)+h(x)\\\\=-4x+5+6x\\\\=2x+5$

and (g-h)(3) is given by

$-10(3)+5\\\\=-30+5\\\\=-25$

Hence, our required values would be -10x+5, 2x+5 and -25.

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3 years ago