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grandymaker [24]
3 years ago
6

The point-slope form of the equation of the line that passes through (-4, -3) and (12, 1) is y - 1 = - 2x – 12). What is the

Mathematics
1 answer:
Snezhnost [94]3 years ago
5 0

Answer:I’m sorry I don’t know That answer I’m sorry My friend

Step-by-step explanation:

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A motor is 85.4 % efficient: that is, the output is 85.4 % of the input. What is the input if the motor delivers 10.75 hp. ( Rou
Ludmilka [50]

Answer:

12.6 hp

Step-by-step explanation:

Represent the input by n.                              10.75 hp

Then 0.85n = 10.75 hp, and n (the input) is --------------- = 12.6 hp

                                                                           0.85

5 0
4 years ago
If 2x+20 and 3x+20 makes a straight angke find value of x​
erma4kov [3.2K]

Answer:

x = 28

Step-by-step explanation:

The sum of the angles in a straight angle = 180°

Sum the angles and equate to 180

2x + 20 + 3x + 20 = 180

5x + 40 = 180 ( subtract 40 from both sides )

5x = 140 ( divide both sides by 5 )

x = 28

3 0
3 years ago
What does 9 ×9÷6-3 equal
Mkey [24]

Answer:

It equals 10.5

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
The central angle of a circle is equal in measure to one radian when the corresponding arc length is equal to which of the follo
irinina [24]
The formula to find the arc length L is
L = r*theta
where r is the radius and theta is the central angle in radians (this formula will not work if theta is in degrees)

If the central angle is 1 radian, then theta = 1 and
L = r*theta
L = r*1
L = r
So the arc length is the same as the radius

Answer: Choice A) The radius of the circle
5 0
3 years ago
Read 2 more answers
Question 1
mamaluj [8]

Answer:

The maximum volume of space that 1,000 BTUs will cool is 400 cubic foot.

Step-by-step explanation:

Given : A total of 1,000 BTUs are needed to cool a space. If 2.5 BTUs are needed to cool 1 cubic foot of space.

To find : What is the maximum volume of space that 1,000 BTUs will cool?

Solution :

Applying unitary method,

2.5 BTU are needed to cool 1 cubic foot of space.

So, 1 BTU are needed to cool \frac{1}{2.5} cubic foot of space.

Then,1000 BTU are needed to cool \frac{1}{2.5}\times 1000 cubic foot of space.

i.e. 1000 BTU are needed to cool 400 cubic foot of space.

Therefore, the maximum volume of space that 1,000 BTUs will cool is 400 cubic foot.

4 0
3 years ago
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