2 years ago

Anita needs to buy 7 1/2 feet of packaging tape. There are 1 1/2 feet of tape on each roll. How

Mathematics

1 answer:

valkas [14]2 years ago

8 0

Answer:

Step-by-step explanation:

you don't have to but i convert 7 1/2 and 1 1/2 into 7.5 and 1.5 to make it easier than you divide.

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Allen wants to have a mean of 90 on his math quizzes. So far, he has scored 86, 94, 88, 95, and 89. What is the least score that

viva [34]

Answer:

Step-by-step explanation:

$\frac{86 + 94 + 88 + 95 + 89 + x}{6} = 90$

The mean would be the sum of all the math quiz grades divided by the number of quizzes taken.

Solve for x:

$86 + 94 + 88 + 95 + 89 + x = 540$

$452 + x = 540$

$x = 88$

Thus, Allen needs at least an 88 to obtain a mean of at least 90.

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3 years ago

If f(x) = 3x + 2, what is f(5)?

MrRa [10]

Answer:

f(5) = 17

Step-by-step explanation:

plug in 5 in the x so 3(5)+2 =17

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3 years ago

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5. The point (-2, -3) is rotated 90 degrees counterclockwise using center (0, 0).

SSSSS [86.1K]

B. (−3, 2)

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3 years ago

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Help me with this math question please I'm giving away brainliests

anyanavicka [17]

The answer is A.All real numbers except -2.

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3 years ago

Solve |2x - 1| + 3 = 6.

umka21 [38]

Answer:

x =2 x = -1

Step-by-step explanation:

|2x - 1| + 3 = 6.

Subtract 3 from each side

|2x - 1| + 3-3 = 6-3

|2x - 1|= 3

An absolute value has two solutions, one positive and one negative

2x-1 =3 2x -1 = -3

Add 1 to all sides

2x-1+1 =3+1 2x-1+1 = -3+1

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Divide by 2

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3 years ago

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