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Vladimir [108]
3 years ago
5

55 is 40% of what number?

Mathematics
2 answers:
timofeeve [1]3 years ago
8 0
55 is 40% of the number 275/2, or 137.5.
alexira [117]3 years ago
4 0
40 over 100 and 55 over n cross multiply 55 x 100 and divide by 40.which gives you 137.5
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Which of the following equations represents the line with a slope of negative 8/7 and a y-intercept of negative 3?
kati45 [8]

Solution

The general form of the equation is y = mx + b, where m is the slope and b is the y-intercept.

Given: m = 8/7 and b = -3

Plugin the given values into the formula.

y = 8/7x - 3

The answer is y = 8/7x - 3

Thank you :)

7 0
3 years ago
A van is traveling 1.5 kilometers per minute. Approximately how fast is the van traveling in miles per hour?
Alik [6]
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4 0
3 years ago
Helppppp meeee pleaseeee in horrible at math
rosijanka [135]
Circumference = 2×3.14×r
3.14 is pie and r is the radius.
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4 0
2 years ago
In the function f(x) = 4(x2 − 6x + ____) + 20, what number belongs in the blank to complete the square?
Shkiper50 [21]
Hello :
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6 0
2 years ago
The radius of a semicircle is 4 miles. What is the semicircle's area?
adell [148]

Answer:

8\pi miles or 25.133 miles

Step-by-step explanation:

your radius is 4 miles.

The area of a circle is A= \pi r^{2}

Therefore, the area of this circle is 4^{2} \pi, or 16\pi

Half of this area, because what you're looking for is a semi-circle, is:

8\pi (exact) or 25.133 (rounded) miles.

6 0
2 years ago
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