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Margaret [11]
3 years ago
12

Two clocks are turned on at the same time. One clock chimes every 15 minutes. The

Mathematics
1 answer:
Kisachek [45]3 years ago
5 0

Answer:

In 75 minutes, they will chime in together.

Step-by-step explanation:

First clock- 15, 30, 45, 60, 75

Second clock- 25, 50, 75

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Determine whether the three points A(-2,-1), B(0,4) and C(2,9) all line on the same line.
sashaice [31]
All three of them do exist on the line y = 2.5x + 4

In order to find the answer to this question, start by finding the line for two points. For this example, we'll use A and C. 

First we need to find the slope. 
(y1 - y2)/(x1 - x2)
(9 - -1)/(2 - -2)
(9 + 1)/(2 + 2)
10/4
2.5

Now using slope intercept form and point A, we can determine the intercept of that line as well. 

y = mx + b
-1 = 2.5(-2) + b
-1 = -5 + b
4 = b

So now we know A and C form the line y = 2.5x + 4. We can then check if B fits that line. 

y = 2.5x + 4
4 = 2.5(0) + 4
4 = 0 + 4
4 = 4 (TRUE)

Therefore, it also falls on that line. 
8 0
3 years ago
Am i right if not pls help<br> will mark brainliest!!!
Vanyuwa [196]

Answer:

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4 0
2 years ago
Read 2 more answers
Write the equation of a line in standard form that has x-intercept (P,0) and y-intercept (0,R).
ExtremeBDS [4]

Answer:

Rx+Py=RP

Step-by-step explanation:

The points on the straight line are (P, 0) and (0, R).

The slope would be

m=\frac{R-0}{0-P}=-\frac{R}{P}

And b=R, because the y-intercept is at (0, R).

So, the equation of this line would be

y=-\frac{R}{P} x+R

Where we multiply the equation by P

Py=-Rx+RP

Therefore, the equation that represents this line is

Rx+Py=RP

<h2>So, the right answer is B.</h2>
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Find the area of the parallelogram. Please this is due today. Thank you.
scZoUnD [109]
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as 24 x 37.25 = 894
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3 years ago
Name the vertex of angle 6.
amid [387]

Answer:

D

Step-by-step explanation:

∠ 6 is formed by the 2 lines that intersect at D

then the vertex of ∠ 6 is D

8 0
1 year ago
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