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SIZIF [17.4K]
3 years ago
9

2 x 6 - 21 divided by 7

Mathematics
1 answer:
Tresset [83]3 years ago
8 0
Hi there!

The answer is -1.2857

Hope this helps!
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A student has gotten the following grades on his tests. What is the minimum grade he must get on the last test in order to have
likoan [24]

72 is the minimum grade he must get on the last test in order to have an average of 77.

<u>Step-by-step explanation:</u>

The grades of a student are given 72,91,78,72 and the grade of his last test is not given.

  • You have to find the minimum grade the student shall get, so that the student average must be 77.
  • The four grades are already given. Therefore, we need to find only the fifth grade.

The term average is defined as the sum of all the data in a set divided by the number of data in a set.

Here, the number of data is 5. (Because the students has 4 grades plus one grade for his last test).

The average he should get is 77.

Average = Sum of all grades / number of grades

Let, 'x' be the grade of the last test.

⇒ 77 = (72+91+78+72+x) / 5

⇒ 77 = (313+x) / 5

⇒ 385 = 313 + x

⇒ x = 385 - 313

⇒ x = 72

The minimum grade he must get on the last test is 72.

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3 years ago
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The last one all real numbers greater than or equal to -3
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38. For the following exercises, sketch a line with the given features.
zhannawk [14.2K]

Answer:

see image

Step-by-step explanation:

The x-intercept is the point where the line crosses the x-axis (horizontal, left and right line with numbers, arrows at both ends, usually marked x at the right end)

The y-intercept is where your line crosses the y-axis (vertical, up-and-down line with numbers, arrows at the ends, usually marked y at the top)

Two points determine a line.

Draw a line through the two points given. See image.

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A class is divided into 4 groups. A bag contains pieces of paper that are red, blue, green, and yellow. For every blue- or green
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Answer:

C

Step-by-step explanation:

A has nothing to do with the paper inside and B and D don't matter bc its the first student

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What is the answer of question 4
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Answer:

D

Step-by-step explanation:

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3 years ago
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