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ArbitrLikvidat [17]
4 years ago
7

A parking lot in a shape of a trapezoid has an area of 12,052.1 square meters.the lean the of one base is 82.4 meters and the le

ngth of the other base is 108.6 meters.what is the height of the parking lot?
Mathematics
1 answer:
Gnesinka [82]4 years ago
7 0

Answer:

126.2 meters

Step-by-step explanation:

A trapezoid's area is found using the formula A = 1/2 (a+b)h where a and b are the two bases. Substitute A = 12,052.1, a = 82.4 and b=108.6. Then solve for h.

A = 0.5(a+b)h

12,052.1 = 0.5(82.4 + 108.6)*h

12,052.1 = 0.5(191)h

12,052.1 = 95.5h

126.2 = h

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Christopher saves $550 every month. Assume that Matthew and Christopher both save money at constant rates. Whose unit rate s hig
liubo4ka [24]

Answer:

The correct answer is:

Matthew's rate is higher by $50 per month.

Step-by-step explanation:

We know that Christopher's rate is $550 per month.

To find Matthew's rate, we will treat the data we have as ordered pairs:

(3, 1800)

(6, 3600)

(9, 5400)

We find the slope of the line between these points.  The formula for slope is:

Using the first two points, we have:

To verify Matthew saves the same amount each month, we will find the slope between the second two points and make sure they're the same:

Matthew's rate is $600 per month.

This is higher than Christopher's by 600-550=$50 per month.

3 0
3 years ago
Read 2 more answers
Lucía makes braided key chains out of cotton cord. For every 8 feet of cotton cord she has, she can make 3 braided key chains. P
asambeis [7]

Lucía needs 13.33 feet of cotton.

Since Lucía makes braided key chains out of cotton cord, and for every 8 feet of cotton cord she has, she can make 3 braided key chains, to represent the relationship between the feet of cotton cord and the number of key chains and find the number of feet of cotton cord Lucia needs to make 5 key chains, the following calculations must be performed, through a cross multiplication:

  • 8CC = 3KC
  • 3 = 8
  • 5 = X
  • 5 x 8/3 = X
  • 40/3 = X
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Therefore, Lucía needs 13.33 feet of cotton.

Learn more in brainly.com/question/13019339

7 0
2 years ago
As an estimation we are told £3 is €4.
Tanya [424]

Answer: 60.30 Euro

Step-by-step explanation:

8 0
3 years ago
Harry received a package for his birthday. The package weighed 350,000 centigrams. Select the conversions that are equivalent to
notsponge [240]

Given:

The package weighed 350,000 centigrams.

To find:

The conversions that are equivalent to 350,000 centigrams

Solution:

We know that,

1 centigrams (cg) = 0.000001 kilograms (kg)

1 cg = 0.1 decigrams (dg)

1 cg = 0.001 dekagrams (dag)

1 cg = 0.01 grams (g)

Using these conversions, we get

350,000 centigrams = 3.5 kilograms

350,000 centigrams = 35,000 decigrams

350,000 centigrams = 350 dekagrams

350,000 centigrams = 3,500 grams

Therefore the correct options are C and D.

5 0
3 years ago
At a baseball game, Henry bought 5 hotdogs and 3 bags of chips for $14.82. Scott bought 7 hotdogs and 6 bags of chips for $22.89
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It will be 2.25 per hotdog and 1.19 per chip

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