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wlad13 [49]
3 years ago
13

Choose the equation of the horizontal line that passes through the point (-8 -7)

Mathematics
1 answer:
joja [24]3 years ago
4 0
The equation of a horizontal line is y=.  So all you have to do it plug in the y-value to that, so it would be:

y=-7
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When running a 100 meter race matt reaches his maximum speed when he is 40 meters from the starting line, and 7 seconds have ela
ch4aika [34]

Answer:

Step-by-step explanation:

time after 40 meters to 80 meters=12-7=5 s

distance=80-40=40 m

max. speed=40/5=8 m/s

4 0
2 years ago
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An older person is 4 years older than 7 times the age of a younger person. The sum of their ages is 44. Find their ages
Fynjy0 [20]

Answer:

5 yr and 39 yr

Step-by-step explanation:

Let x = the age of the younger

then 7x + 4 = the age of the older

Now x + 7x + 4 = 44

8x + 4 = 44

8x = 40

x = 5

7x + 4 = 7(5) + 4 =  35 + 4 = 39

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8 0
2 years ago
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Mars2501 [29]
To do these problems, you plug in the ‘n’ value given into the equation.

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21

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7 + 5
12

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8 + 4(3.5)
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6 0
2 years ago
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Juan owes his cousin, Benito, $10.00. Benito is tired of waiting for Juan to pay him back. To try and get Juan to pay up more qu
Gemiola [76]

Answer:

wat???

Step-by-step explanation:

3 0
2 years ago
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The Graduate Management Admission Test (GMAT) is a standardized exam used by many universities as part of the assessment for adm
IgorC [24]

Answer:

16.7% of GMAT scores are 647 or higher

Step-by-step explanation:

The Empirical Rule states that 68% of the values are within 1 standard deviation of the mean(34% above, 34% below). It also considers that 50% of the values are above the mean and 50% are below the mean.

In this problem, we have that the mean \mu is 547 and that the standard deviation \sigma is 100.

a. What percentage of GMAT scores are 647 or higher?

647 is 1 standard deviation above the mean.

So, 50% of the values are below the mean. Those scores are lower than 647.

Also, there is the 34% of the values that are above the mean and are lower than 647.

So, there is a 50% + 34% = 84% percentage of GMAT scores that are 647 or lower.

The sum of the probabilities must be 100

So, the percentage of GMAT scores that are 647 or higher is 100% - 84% = 16%.

3 0
2 years ago
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