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Fed [463]
3 years ago
8

The table shows the results of a survey on the number of text messages per month for people of different ages. Based on this sur

vey, what is the probability that a person texts over 50 messages per month given that the person is between the ages of 23 and 60? A) 157/229 B) 157/312 C) 157/384 D) 157/456​

Mathematics
2 answers:
Llana [10]3 years ago
6 0

Answer:

the answer should be c

Rzqust [24]3 years ago
4 0

Answer:C

Step-by-step explanation:I took the test got a

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Step-by-step explanation:

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2 years ago
A piling for a high-rise building is pushed by two bulldozers at exactly the same time. One bulldozer exerts a force of 1250 pou
Masja [62]
The forces result in a right triangle. To obtain the resultant force, one can simply use the Pythagorean theorem. 1250 lbf and 2650 lbf both act as the legs of the triangle. Obtaining the hypotenuse via the theorem would yield the resultant force. This is done below:

c^2 = a^2 + b^2
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8 0
3 years ago
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A transformation of ΔDEF results in ΔD'E'F'.
Leya [2.2K]
<h3>Answer:</h3>

The transformation is a rotation.

<h3>Step-by-step explanation:</h3>

The incorrect answers can be ruled out as follows:

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  • translation would move the figure, but not change the directions of the lines

The image is the same size as the original. Each of the sides of the triangle is moved through the same angle. The transformation is a rotataion.

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3 years ago
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Complete the statements below that show y = 8x2 + 32x + 17 being converted to vertex form. Factor out the leading coefficient. y
strojnjashka [21]
<span><span><span>(x−4)</span>2</span>+1  </span><span>y=<span><span>(x−4)</span>2</span>+<span>1 :)</span></span>
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Mr.Rosskamm went to the mall and bought 2 pairs of sneakers for $55 each. He had a coupon for 30% off the combined total of the
Lina20 [59]

He paid $107 for the sneakers (55+55)*0.7 = 107.

He paid $30 for socks, so in total he paid $137

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3 years ago
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