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S_A_V [24]
3 years ago
13

A company has two warehouses that are 360 miles apart. A truck leaves Warehouse A and heads towards Warehouse B traveling at 45

miles per hour. At the same time, a truck leaves Warehouse B and heads towards Warehouse A traveling at 60 miles per hour. How long will the trucks be driving before they meet each other on the road?
Mathematics
2 answers:
blsea [12.9K]3 years ago
7 0
Let t be the unknown amount of time for them to meet. After this time, the total distance traveled by truck A is 45t. At the same time, the total distance traveled by truck B is 60t. The sum of these distances should be 360.
                                       45t + 60t = 360
The value of t from the equation is approximately 3.43 hours. 
ki77a [65]3 years ago
7 0

Answer:

C) between 3 and 4

Step-by-step explanation:

I just took the quiz on edge

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Perform each indicated operation
MissTica

Answer: \frac{x+6}{x-4}

Step-by-step explanation:

First you need know some general formuals of factorization such as

x^3+y^3=(x+y)(x^2-xy+y^2) so you have x^3+64=X^3+4^3=(x+4)(x^2-4x+4^2)

And, x^2-y^2=(x-y)(x+y) so you have 2x^2-32=2(x^2-16)=2(x^2-4^2)=2(x+4)(x-4)

If you use them, then you can modify your equations such as

\frac{x^3+64}{2x^2-32} ÷ \frac{x^2-4x+16}{2x+12} = \frac{(x+4)(x^2-4x+4^2)}{2(x+4)(x-4)} ÷ \frac{x^2-4x+16}{2(x+6)}  =  \frac{(x+4)(x^2-4x+4^2)}{2(x+4)(x-4)} . \frac{2(x+6)}{{x^2-4x+16}} = \frac{1}{x-4}.\frac{x+6}{1}=\frac{x+6}{x-4}

4 0
3 years ago
What is the length of a base of a right triangle with an area of 15 meters and a height of 3 meters?
Nina [5.8K]

Answer:

10

Step-by-step explanation:

15 = 1/2 * b * 3

15 * 2 = 3 * b

b = 30/3

b = 10 m

5 0
3 years ago
In your own words, describe to someone who knows only a little statistics how to recognize when an observation is an outlier. Wh
erik [133]

Answer:

B)

Step-by-step explanation:

In statistics, an outlier is a data point that differs significantly from other observations.

This can happen because of different reasons: it may be due to variability in the measurement or it may indicate an actual experimental error. If it is an actual experimental error then it  can create problems when doing the statistical analysis.

A) We can say that this is true, the outliers are observed values far from the other data, however we can make a much deeper analysis of this.

B) This is the right answer, since we don't know what is really causing the outlier, we need to take a closer look to see if they are just mistakes (and therefore be removed). If they are not mistakes we need to do the analysis with and without them to reach correct conclusions.

C) this is wrong because although the part of the histogram is true. It is not true that they should be ignored.

d) The outliers differ significantly from the other data but this doesn't make them the minimum and maximum values in a data set and therefore they should not be treated as such.

Therefore, the correct answer is B)

3 0
3 years ago
Jefferson works part time and earns 1,520 in four weeks . How much does he earn each week ?
andrezito [222]
Divide 1,520 by the number of day in the week which is 7. That should give you how much she earns per week.
8 0
3 years ago
IM GIVING 30 POINTS PLZ HELP ASAP<br> GIVING BRAIN TOO!
yawa3891 [41]

Answer:

<em>x</em> = 28 Hours

Step-by-step explanation:

if you start with 20 bags done then you take that away from the 1000 and you have 980. Then you do  35x <em>x </em>or 35x28 = 980.

3 0
3 years ago
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