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3 years ago

Evaluate the expression if a = 2, b = −3, c = −4, h = 6, y = 4, and z = −1.

Mathematics

1 answer:

scZoUnD [109]3 years ago

6 0

Step-by-step explanation:

Hope it helps. Please mark as brainliest.

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2. Jenny is trying to work out a problem and showed her friend, Laila, her work. Laila found there was a mistake in one of the s

grandymaker [24]

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3 years ago

If the mean of a test is 80 and the standard deviation is 4, how many students scored above

Marianna [84]

34% is the right answer

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3 years ago

Which is the most efficient first step to solve for x in the equation 3.7 x minus 18 = negative 4.3 x minus 34? Add 3.7x to both

ahrayia [7]

Answer:Add 4.3x to both sides of the equation.

Step-by-step explanation:

The given equation is expressed as

3.7x - 18 = - 4.3x - 34

The main aim is to solve for x and x is on the left hand side and the right hand side of the equation. So the most efficient step would be to make all the terms containing x to be on the left hand side of the equation and the constants to be on the right hand side of the equation.

Therefore, the most efficient first step to solve for x in the equation would be

Add 4.3x to both sides of the equation.

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3 years ago

Read 2 more answers

Maggie buys 1 1/2 pounds of walnuts pounds of walnuts 8 ounces 8 ounces of pecans of pecans and 3/4 pounds of almonds how much d

svetlana [45]

Answer:

$2\frac{3}{4}$ pounds

Step-by-step explanation:

Maggie buys 1 1/2 pounds of walnuts, 8 ounces of pecans and 3/4 pounds of almonds.

To find the total weight of nuts that she buys, let us first put all the weights in a single unit, pounds.

She buys 8 ounces of pecans.

1 ounce = 0.0625 pounds

8 ounces = 8 * 0.0625 = 0.5 pounds = 1/2 pounds

Therefore, the total weight of nuts that she buys is:

$1\frac{1}{2} + \frac{1}{2} + \frac{3}{4}\\ \\\frac{3}{2} + \frac{1}{2} + \frac{3}{4} = 2\frac{3}{4}$

The nuts weight $2\frac{3}{4}$ pounds in all.

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4 years ago

A decorator plans to place a rug in a room 9 m by 12 m in such a way that a uniform strip of flooring around the rug will remain

Lubov Fominskaja [6]

Answer:

4.5m by 6m

Step-by-step explanation:

12/2=6

9/2=4.5

rug is to be half the area of the entire room

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3 years ago