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Naddik [55]
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?
Mathematics
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
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