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2 years ago

Solve the compound inequality. 2<3x+2<11 Graph the solution on the number line.

Mathematics

2 answers:

kupik [55]2 years ago

7 0

Can’t see the graph but it should be circled on the 0 and 3

lilavasa [31]2 years ago

3 0

Attached images explain your answers

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If tan e = 1.3, what is the value of cot (90° - 9)?

ella [17]

Answer:

Step-by-step explanation:

We are given that:

$\tan(\theta)=1.3$

And we want to find:

$\cot(90^\circ -\theta)$

Remember that tangent and cotangent are co-functions. In other words, they follow the cofunction identities:

$\tan(\theta)=\cot(90^\circ-\theta)\text{ and } \cot(90^\circ-\theta)=\tan(\theta)$

Therefore, since tan(θ) = 1.3 and cot(90° - θ) = tan(θ), then cot(90° - θ) must also be 1.3.

Our answer is A.

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2 years ago

Help?!!!I’m supposed to write a possible situation for each graph

telo118 [61]

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3 years ago

Find the volume of the sphere.

den301095 [7]

Answer:

volume = 682.67π units³ or 2143.58 units³

Step-by-step explanation:

volume = 4/3πr³

volume = 4/3π8³ = 4/3π(512)

volume = 682.67π

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2 years ago

What is 20p-2p+4p=20p-6p

Taya2010 [7]

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3 years ago

Read 2 more answers

8. Find the area of a circle with center

antoniya [11.8K]

Answer:

Area of circle = 50.24 units

Option J is correct answer.

Step-by-step explanation:

We need to find the area of a circle with centre (2, 3) that passes through (2,7)

The formula used to find area of circle is:

$Area\: of\: circle=\pi \:r^2$

We need to find radius.

The radius can be found using the distance between points (2,3) and (2,7)

The The distance formula is: $Distance = \sqrt{(x_2-x_1)^2+(y_2-y_1)^2}$

Putting values and finding length

We have: $x_1=2, y_1=3, x_2=2, y_2=7$

Putting values and finding distance

$Distance = \sqrt{(x_2-x_1)^2+(y_2-y_1)^2}\\Distance = \sqrt{(2-2)^2+(7-3)^2}\\Distance = \sqrt{(0)^2+(4)^2}\\Distance = \sqrt{0+16}\\Distance = \sqrt{16}\\Distance = 4$

So, we found Distance = 4

Therefore, the radius of circle is 4

Now, finding area:

$Area\: of\: circle=\pi \:r^2\\Area\: of\: circle=3.14\times (4) ^2\\Area\: of\: circle=3.14\times 16\\Area\: of\: circle=50.24 \:units$

So, Area of circle = 50.24 units

Option J is correct answer.

6 0

2 years ago