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otez555 [7]
2 years ago
7

Can someone please answer this question? I really need the answer please. Q:Two signs are on a street. One blinks every 10 s and

the other every 6 s. How many times per minute do they blink together?
Mathematics
1 answer:
cluponka [151]2 years ago
3 0
16 times per minute
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What are the possible lengths and widths of a rectangle if its length is 8 centimeters longer than the width, and the area is le
WINSTONCH [101]
A = LW
A = (< = 33)
L = W + 8

W(W + 8) < = 33
W^2 + 8W < = 33
W^2 + 8W - 33 < = 0
(W + 11)(W - 3) < = 0

W + 11 < = 0
W < = -11 (extraneous solution)

W - 3 < = 0
W < = 3 <===

L < = W + 8
L < = 3 + 8
L < = 11 <===
8 0
3 years ago
F (×)=-2×+1/3 for ×=-5
julia-pushkina [17]
The answer is 31/3 or 10⅓

3 0
3 years ago
explain why, if the price of something is increased by 10% and then the new price is reduced by 10%, the final price is less tha
RideAnS [48]

Answer:

Let's say something costs 100 pounds. If the cost is increased by 10 percent then it goes to 110 pounds. 10 percent of 110 is 11 so 110-11 is 99 (less than earlier. There you go.

6 0
3 years ago
Solve for n .<br><br> n - 26 = -13 .<br><br> n =
shusha [124]

Answer:

n = 13

Step-by-step explanation:

Given

n - 26 = - 13 ( add 26 to both sides )

n = 13

5 0
2 years ago
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Complete the sentence to finish the explanation of how you could show that points A, B, and C on the coordinate plane are collin
rosijanka [135]

Answer:

  • <u>First blank: the equation of the line that passes through A and B</u>

<u></u>

  • <u>Second blank: is a solution of the equation</u>

Explanation:

Three or more points are collinear if and only if they are on the same line, and, thus they are solutions, of the same equation of the line.

When you know two points through their coordinates you can always find the equation of the line:

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  • Point B (x₂, y₂)

You can find the slope, m, of that line by using the slope formula:

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And then, you apply the point-slope equation:

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Since you know m, x₁, and y₁, your equation is determined.

Once you have your equation, substitute the x and y coordinates with the coordinates of the point C. If, and only if, the equation is satisfied, the point C is on the same line and the three points are collinear.

7 0
3 years ago
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