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3 years ago

8

A computer’s hard disk is spinning at 90 revolutions per second. Through how many degrees does it travel in a second? in a minut

e?

1 answer:

diamong [38]3 years ago

3 0

In a second it will go 90
In a minute it will go 5400

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Two lines intersect at a point. The vertical angles formed are supplementary.

Nastasia [14]

we know that

<u>Vertical angles</u> are a pair of opposite and congruent angles formed by intersecting lines.

so

Let

x1---------> angle vertical 1

x2---------> angle vertical 2

x1=x2 ------> equation 1

in this problem

if the vertical angles formed are supplementary

that means that

x1+x2=180 ------> equation 2

substitute equation 1 in equation 2

x1+x1=180

2x1=180

x1=180/2

x1=90 degrees

therefore

<u>the answer is</u>

The vertical angles are right angles

8 0

3 years ago

Which function has the least value for the y-intercept?

diamong [38]

Answer:

y-intercept is the value of y when x is equal to zero. Because the y intercept is a point on a graph, you'll usually write it in point/ coordinate form.

Step-by-step explanation:

The y-intercept is where the parabola of a function crosses (or intercepts) the y axis.

6 0

3 years ago

Please help me with this i don’t understand much

Alexus [3.1K]

Answer:

See below

Step-by-step explanation:

Three lengths will be a triangle only if the sum of two sides is greater than the third side.

$19+11 > 17$

This is a triangle.

$23+28> 52\\51>52\\51 \ngtr 52$

This is not a triangle.

$9+25> 34\\34>34\\34\ngtr 34$

This is not a triangle.

$13+14> 22\\27>22$

This is a triangle.

8 0

3 years ago

a man on the fifth floor of a building shouts down to a person on the street. if the angle of elevation from the street to the m

algol [13]

25 feet hope this help :)

3 0

3 years ago

Read 2 more answers

How do i find the value of x , i’m so confuseddd !

olasank [31]

Answer:

x ≈ 61.3

Step-by-step explanation:

Using the Sine rule, that is

$\frac{6}{sinx}$ = $\frac{5.8}{sin58}$ ( cross- multiply )

5.8 × sinx = 6 × sin58° ( divide both sides by 5.8 )

sin x = $\frac{6sin58}{5.8}$ ≈ 0.87729, thus

x = $sin^{-1}$ (0.87729) ≈ 61.3

5 0

3 years ago