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RoseWind [281]
3 years ago
7

Jenai's mother traveled 40 miles in 1hr, how many miles did she travel in 3 hours?

Mathematics
2 answers:
timofeeve [1]3 years ago
6 0

Answer:

120 miles per hour

Step-by-step explanation:

40 miles x 3 hours = 120 miles per hour

miv72 [106K]3 years ago
3 0
40mi/1hr = 120mi/3hrs
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A line is an undefined term because it
Svet_ta [14]

Answer:

Option C) describes something that does not have width or depth      

Step-by-step explanation:

We are given the following information in the question:

We may define line as:

  • A line is a straight one-dimensional figure having no thickness and extending infinitely in both directions.
  • A line is sometimes called a straight line.
  • It is demonstrated by arrow on both sides showing that it can be extended on both sides.
  • A line can be considered undefined term because it tells us about something that does not have width or depth.
  • A lines can  extend its length in both side infinitely. It contains arrowheads indicating it can extend.

Thus, the correct option is Option C) describes something that does not have width or depth.

8 0
3 years ago
Read 2 more answers
PLS ANSWER WILL MARK BRAINLIEST
fomenos

Answer:

All you have to do is to the distributive method.

Step-by-step explanation:

(7x+14)(9x-8)

5 0
3 years ago
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According to an article in Newsweek, the rate of water pollution in China is more than twice that measured in the US and more th
jeyben [28]

Answer:

(a) 0.119

(b) 0.1699

Solution:

As per the question:

Mean of the emission, \mu = 11.7 million ponds/day

Standard deviation, \sigma = 2.8 million ponds/day

Now,

(a) The probability for the water pollution to be at least 15 million pounds/day:

P(X\geq 15) = P(\frac{X - /mu}{\sigma} \geq \frac{15 - 11.7}{2.8})

P(X\geq 15) = P(Z \geq 1.178)

P(X\geq 15) = 1 - P(Z < 1.178)

Using the Z score table:

P(X\geq 15) = 1 - 0.881 = 0.119

The required probability is 0.119

(b) The probability when the water pollution is in between 6.2 and 9.3 million pounds/day:

P(6.2 < X < 9.3) = P(\frac{6.2 - 11.7}{2.8} < \frac{X - \mu}{\sigma} < \frac{9.3 - 11.7}{2.8})

P(6.2 < X < 9.3) = P(- 1.96 < Z < - 0.86)

P(6.2 < X < 9.3) = P(- 1.96 < Z < - 0.86)

P(Z < - 0.86) - P(Z < - 1.96)

Now, using teh Z score table:

0.1949 - 0.025 = 0.1699

4 0
3 years ago
Name 2 types of subtraction
Anvisha [2.4K]
The terms of subtraction are called minuend and subtrahend
7 0
3 years ago
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Which negative angle is equivalent to 275°?<br> O A. -75°<br> OB. -65°<br> O C. -95°<br> OD. -85
Zarrin [17]

Answer:

-85º

Step-by-step explanation:

275 - 360 = -85

8 0
3 years ago
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