MATHEMATICS MIDDLE SCHOOL

A number minus one is at the most nine, or two times the number is at least twenty-four.

Answers

Answer 1

Answer: x − 1 ≤ 9 or 2x ≥ 24

Answer 2

Answer:

Answer:

x − 1 ≤ 9 or 2x ≥ 24

Step-by-step explanation:

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the diameter of a U.S penny is 3/4 inch. how many pennies would it take to make a row 42 inches long?

Answers

Answer: 56

Step-by-step explanation:

We are given that ,

The diameter of each U.S. penny = $(3)/(4)$ inch.

The length of the row of pennies = 42 inches

Then , the number of pennies in that row will be :

$=\text{Length of row}/\text{Diameter of each penny}\n\n=42/(3)/(4)\n\n=42*(4)/(3)\ \ \text{[Flip divisor fraction, multiply the original number by its reciprocal.]}\n\n=56$

Hence, the required number of pennies. = 56

42 divided by 3/4 equals 56 pennies

Consider the line y = 5x.What is the slope of a line perpendicular to this line?
What is the slope of a line parallel to this line?

Answers

Answer:

A slope perpendicular would be -1/5x and a slope parallel would be 5x

Step-by-step explanation:

Perpendicular means about the opposite, or a reciprocal, which is -1/5x. Parallel means the same so it would be 5x.

Translate to an algerbraic expression
19 more than n

Answers

Answer:

19 >N

Step-by-step explanation:

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but anyways hope this helped:-)

A 28 tree casts a shadow that is 11 1/2 feet long. If Kurt is 6 feet tall, what is the length of the shadow

Answers

Answer:

69/28 feet

Step-by-step explanation:

28 feet ÷ 11.5 ft is equivalent to 6 feet ÷ x

When you do cross multiplication 29x=69, because 11.5×6=69 feet.

x=69 over 28 feet. So approximately 2.46428571429 feet.

4-0.25g+0.5h=When g=10 andh=5

Answers

Answer:

Step-by-step explanation:

4-0.25*10+0.5*5=4-2.5+2.5=4

4-0.25g + 0.5h
g=10
h=5
4-.25(10)+.5(5)
4 -2.5 +2.5

The answer is 4

Kareem inserted 2 quarters into a dryer at a laundromat, and the dryer ran for 12 minutes. At this rate, for how long would the dryer have run if Kareem had inserted 8 quarters instead?

Answers

8/2 = x/12
x = 8/2 *12 = 48

the drier would have run for 48 minutes. it's simple, 2 quarters for 12 minutes, divide 12 by 2. you get 6. multiply 6 by 8, and you get 48...

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A car that travels along the highway to Denver at a steady speed. When it begins, it is 300 miles from Denver. After 3 hours, it is 180 miles from Denver. Which function describes the car's distance from Denver?