Simplify please...Simplify Simplify

Mathematics

1 answer:

4vir4ik [10]2 years ago

8 0

Answer:

See images.

Step-by-step explanation:

For these kinds of problems, get a common denominator. Put everything over that common denominator and add or subtract the terms in the numerator. Combine like terms. See images.

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Pork chops cost $3.30 a pound at the market. Mary buys 4.4 pounds. Find the cost. a. $7.70 b. $14.52 c. $18.92 d. $15.52

Fofino [41]

Answer:

B) $14.52

Step-by-step explanation:

1 lb of pork chop = $3.30

Mary is buying 4.4 pounds.

Multiply 4.4 with 3.30

4.4 x 3.30 = 14.52

$14.52, or B) is your answer

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A trapezoid is a quadrilateral with exactly one pair of parallel sides <br> A) true <br> B)False

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Mary Beth and her family ate a meal in a restaurant the cost of the meal was $34.50 the sales tax was 8% of the cost of the meal

nikdorinn [45]

The total cost would be the tax plus the cost of the meal. In order to find the tax you can set up a proportion: 8/100=x/34.5. Then you can cross multiply: (100•x)=(8•34.5). Then we have 100x=276. Divide both sides by 100 and we have x=2.76. This added to the 34.50 is equal to 37.26. Hope this helps!

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3 years ago

Zach and Warren both leave the coffee shop at the same time, but in opposite directions. If Warren travels 7 mph faster than Zac

Solnce55 [7]

Answer:

The speed of the Zach travelling is 8 miles per hour.

The speed of the Warren travelling is 15 miles per hour.

Step-by-step explanation:

Given : Zach and Warren both leave the coffee shop at the same time, but in opposite directions. If Warren travels 7 mph faster than Zach and after 7 hours they are 161 miles apart.

To find : How fast is each traveling?

Solution :

Let the speed of Zach is x mile per hour.

If Warren travels 7 mph faster than Zach

The speed of the Warren is x+7 miles per hour.

Zach and Warren both leave the coffee shop at the same time, but in opposite directions.

The distance covered is 161 miles in 7 hours.

We know, $\text{Distnace}=\text{Speed}\times \text{Time}$