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zhuklara [117]
3 years ago
5

A trapezoid has an area of 24 square meters. The length of the bases of the trapezoid are 5 meters and 7 meters. What is the hei

ght of the trapezoid?
Mathematics
1 answer:
Stella [2.4K]3 years ago
8 0
As with any formula, fill in the values you know and solve for the one you don't know.

A = (b1 +b2)/2*h
24 m^2 = (5 m +7 m)/2 * h
24 m^2 = (6 m) * h
(24 m^2)/(6 m) = h
4 m = h

The height of the trapezoid is 4 meters.
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When building the Channel, the English and French each started drilling on opposite sides of the English Channel. The two sectio
Alekssandra [29.7K]

Suppose the English could drill the Channel in 6.2 years, then they drill with speed \dfrac{L}{6.2} km per year, where L is the length of the English Channel. If the French could drill in 5.8 years, then their speed of drillling is \dfrac{L}{5.8} km per year.

Together their speed will be

\dfrac{L}{6.2} +\dfrac{L}{5.8} =\dfrac{5.8L+6.2L}{6.2\cdot 5.8}=\dfrac{12L}{35.96}=\dfrac{3L}{8.99}.

If they drill together, they will spend

\dfrac{L}{\frac{3L}{8.99}} =\dfrac{8.99}{3}=2.9966666....\approx 3 years.

Answer: it would have taken nearly 3 years.

7 0
3 years ago
4+3(15-2^(3)) Simplify the equation....
miskamm [114]

Answer:

<h2>25</h2>

Step-by-step explanation:

4+3\left(15-2^3\right)\\\\3\left(15-2^3\right)=21\\\\=4+21\\\\=25

6 0
3 years ago
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Lincoln memorial geometrical shape​
meriva

Answer:

hot and sticky

Step-by-step explanation:

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3 0
3 years ago
There is 28 kg 750 g of sugar in a sack. How many tins of 500 g sugar can be filled using the sugar in the sack?
vovangra [49]

Answer:

Step-by-step explanation:

28 kg + 750 g = 28*1000 + 750

                          28000 + 750

                       = 28750 g

Number of sack = Total quantity of sugar ÷ quantity of sugar in a sack

                           = 28750 ÷ 500

                           =  57 sacks

6 0
2 years ago
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Evaluate the following function when x = -1 and x = 2 and determine the sum of the two results:
ElenaW [278]

Answer:

J. 1

Step-by-step explanation:

Plug the x values into the equation:

f(-1)=3-(-1)^2

f(2)=3-(2)^2

Solve each one, then add.

3-(-1)^2=

=3-1=2

3-(2)^2=

=3-4=-1

Combine the answers together.

2-1=1

The answer is J. 1.

Hope this helps!

Please mark as brainliest if correct!

7 0
1 year ago
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