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Vladimir [108]
3 years ago
7

There are five tests in a grading period. A student received grades of 98, 80, and 90, 96 on the first four tests. What grade mu

st the student earn on the last test to have a 90 or better average for the grading period?​
Mathematics
1 answer:
inn [45]3 years ago
3 0

Answer:

80

Step-by-step explanation:

The median of the group is 80

If you add all the five numbers up they equal 454 divide by 5 the answer would be 90.8

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21/2 is what you should get if you divide those two
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A dog owner is told by the veterinarian that his dog, Max, is overweight and needs to lose 4 to 5 pounds in order to live a heal
hodyreva [135]
This is a linear function, of the kind y = mx + b

where x is the number of visit,  b is the weight when x = 0, and m is the predicted change of weight for every visit.

m = - 4 ounces / visit, which must be converted to pounds (the negative sign indicates that the change is a decrease)

1 lb = 16 ounces = 4 ounces = 0.25 lb

Then m = - 0.25 lb / visit.

Now, for x = 1, y = 126 => 126 = - 0.25(1) + b => b = 126 + 0.25 = 126.25

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Now round to the nearest tenth:

y = 126.3 - 0.3x

Answer: y = 126.3 - 0.3x

 

6 0
3 years ago
Mai gave half of her brownies, and then half a brownie more, to Kiran. Then she gave half of what was left,
givi [52]

Answer:

x = 7

Step-by-step explanation:

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3 0
3 years ago
Read 2 more answers
What degree of tan equals 1
Nata [24]
45 degrees           ...................................................                                                                           
3 0
3 years ago
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Click an item in the list or group of pictures at the bottom of the problem and, holding the button down, drag it into the corre
SVEN [57.7K]

Answer:

The equation of the line is;

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Step-by-step explanation:

Firstly, we need the to get the slope of the given line

To do this, we will write the equation of the line in the standard form

the standard form

is;

y = mx + b

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y -4 = 2x/3 - 2

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with respect to the given equation, the slope of the line is 2/3

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Multiply through by 3

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3 0
3 years ago
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