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3 years ago

Help???????????????? Giving brainiest to right answer

Mathematics

1 answer:

denpristay [2]3 years ago

5 0

Answer:

Usually named with al letter : Point

Straight figure with endpoint : Line segment

The end of a line segment or ray : End point

Goes forever in both directions : Line

A straight figure with one end point and one side that goes on forever: Ray

Step-by-step explanation:

Math terms :)

(I don't know how to give much of an explanation for this problem)

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What is the equation of the line parallel to the line with the equation −x+3y=−3

mezya [45]

Answer:

y = 1/3x - 19/3

Step-by-step explanation:

3y = x -3

y = 1/3x -3

Slope = 1/3

Point= (1,-6)

y-intercept = -6 - (1/3)(1) = -6 - 1/3 = -19/3

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2 years ago

If the ratio of beakers to test tubes in a lab is 3:8, and there are 64 test tubes, how many beakers are there?

OLga [1]

3:8
Beakers: test tubes

3+8=15

64/15= 4

3:4. X4
12:16

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3 years ago

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3 years ago

Trucks in a delivery fleet travel a mean of 110 miles per day with a standard deviation of 38 miles per day. The mileage per day

Montano1993 [528]

Answer: 0.1824

Step-by-step explanation:

Given : The mileage per day is distributed normally with

Mean : $\mu=110\text{ miles per day}$

Standard deviation : $\sigma=38\text{ miles per day}$

Let X be the random variable that represents the distance traveled by truck in one day .

Now, calculate the z-score :-

$z=\dfrac{x-\mu}{\sigma}$

For x= 132 miles per day.

$z=\dfrac{132-110}{38}\approx0.58$

For x= 159 miles per day.

$z=\dfrac{159-110}{38}\approx1.29$

Now by using standard normal distribution table, the probability that a truck drives between 132 and 159 miles in a day will be :-

$P(132$

Hence, the probability that a truck drives between 132 and 159 miles in a day =0.1824

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3 years ago

Which expression is equivalent to 8(u + 3)?

Korolek [52]

Answer:

Step-by-step explanation:

$8(u+3)\qquad\text{use the distributive property}\ a(b+c)=ab+ac\\\\=(8)(u)+(8)(3)=8u+24$

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3 years ago