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3 years ago

Choose the equation of the line that is parallel to the y-axis.

Mathematics

2 answers:

kodGreya [7K]3 years ago

4 0

Answer:

x=-2

Step-by-step explanation:

If x always = -2, it is a straight vertical line which means it is parallel to the y axis

kobusy [5.1K]3 years ago

3 0

It's x=-2 because anything just on the x axis without a y is vertical which is parallel to the y axis

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PLEASE I NEED HELP AGAIN ATTACHMENT BELOW

Anastaziya [24]

Answer:

A.) 1/81

Step-by-step explanation:

This is your equation:

f(x) = 9^x

They want you to solve for x = -2, so substitute -2 in for x.

f(-2) = 9^-2

When you solve this, you get, 1/81.

So, the answer is A.)

I hope this helps! :)

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3 years ago

What is the measure of each angle of an equilateral triangle?

nasty-shy [4]

Answer:

C) 60 degrees

Step-by-step explanation:

An equilateral triangle has all equal angles. We know that all the angles of a triangle add up to 180 degrees. Therefore 45+45+45=180 giving you an equilateral triangle angle measure.

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What is rational number

Talja [164]

Answer:

A rational number is a number that can be express as the ratio of two integers. ... However, one third can be express as 1 divided by 3, and since 1 and 3 are both integers, one third is a rational number. Likewise, any integer can be expressed as the ratio of two integers, thus all integers are rational.

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3 years ago

How many radians is 144°?

aleksandrvk [35]

Answer:

180 radians

Step-by-step explanation:

Convert from degrees to radians using the ratio

180

.4π5 radians

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3 years ago

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Please help with these

MatroZZZ [7]

Set up a proportion.

$\frac{3~minutes}{2~questions}$ = $\frac{x~minutes}{12~questions}$

Cross multiply.

2x=36
x=12

It would take her 12 minutes.

-----------------------------------------

Formula for surface area of a cube: 6a² where a=20.

6 x (20)²
6 x 400
= 2400

Surface area: 2400 cm

----------------------------------------------

Mean absolute deviation: The average distance from each number in the set to the mean of the set.

Mean of the set: $\frac{(3+8+10+12+15)}{5} = \frac{48}{5} = 9.6$

9.6-3=6.6
9.6-8=1.6
10-9.6=0.4
12-9.6=11.4
15-9.6=5.4

Mean of 6.6, 1.6, 0.4, 11.4, and 5.4: $\frac{(6.6+1.6+0.4+11.4+5.4)}{5} = \frac{25.4}{5} = 5.08$

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4 years ago