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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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Write an expression y+3y-2y=​
nasty-shy [4]

Answer:

3y=2y

Step-by-step explanation:

Im not sure if this is the answer your looking for but I hope this helped. I tried tho lol :)

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3 years ago
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Neeeeeeeeeeeeeedddddddddddddddddddd will give brain
Igoryamba

Answer:

7

Step-by-step explanation:

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In the diagram, point C represents the center of the sphere. Diego says that the part of the sphere labeled D is the radius. Gre
Katen [24]

Answer:

Gregoire is correct; the diameter is a chord that passes through the center of the sphere.

Step-by-step explanation:

A sphere is a geometrical shape formed from a circle. Some of its parts are: diameter, center, radius circumference, etc.

The center of a sphere is a point at its middle. The diameter is a straight line, e.g a chord, that is drawn from one point on the circumference of a sphere to another point and passes through its center. While radius is a line that is from the center of the sphere to a point on its circumference.

A diameter is twice of a radius, so that:

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⇒                        Diameter = 2 × Radius

Therefore with respect to the question, Gregoire is correct because a diameter is a chord that passes through the center of the sphere.

3 0
3 years ago
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12.5 percent of what number is 24
irina [24]

24 : 12.5/100 = 24 * 100/12.5 = 192;
3 0
3 years ago
30 - -5n + 16 + 3n =
MatroZZZ [7]

Answer:

8n + 46

Step-by-step explanation:

Combine like terms. First, simplify the signs. two negatives directly next to each other equals one positive:

- (-5n) = + 5n

30 + 5n + 16 + 3n = (30 + 16) + (5n + 3n)

(30 + 16) = 46

(5n + 3n) = 8n

8n + 46 is your answer.

7 0
3 years ago
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