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3 years ago

How do you find area like in this question I know already it’s d though I just need help figuring this out?

Mathematics

2 answers:

Akimi4 [234]3 years ago

5 0

Find the area of the whole rectangle and find the area of the not shaded part and then subtract them to find the are of the shaded part.

Area of whole: 10 * 6 = 60 cm²
Area of non shaded: 6 * 2 = 12 cm²

Area of shaded part:

60 - 12 = 48 cm²

Hope this helps :)

jeka57 [31]3 years ago

3 0

The length of the entire rectangle is 10, and its width is 6. The length of the smaller rectangle is 6, and its width is 2. If you multiply 10 by 6, you get 60 for the area of the entire rectangle. But since it just wants the shaded region, you now need to find the product of the non-shaded rectangle and then subtract it from the whole rectangle to get the area of the shaded region. 6 x 2 = 12
60 - 12 = 48. Sorry if it sounded confusing let me know if you need simplified, and I hope this helps.

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The triangular pyramid shown is made up of four congruent triangles. The length of the base is 8 inches, and the height of the b

Aneli [31]

Answer:

(B) Talia is correct. The lateral area can be found by approximating one large triangle, which can be found using the expression 4 (one-half (8) (6.9))

Step-by-step explanation:

Base of the Pyramid = 8 Inches

Height of the Triangular Face = 6.9 Inches

In any solid shape, the Lateral surface area is the sum of all sides except its top and bottom bases.

Since the four triangles are congruent:

Lateral Surface Area = 4 X Area of One Triangle

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Therefore:

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3 years ago

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3 years ago

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A department store sold 51 51 shirts one day. All short-sleeved shirts cost $14.00 $ 14.00 each and all long-sleeved shirts cost

Dmitrij [34]

Answer:

28 short-sleeved shirts were sold and 23 long-sleeved shirts were sold.

Step-by-step explanation:

We can solve this question by a system of equations.

I am going to say that:

x is the number of short-sleeved shirts sold.

y is the number of long-sleeved shirts sold.

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This means that $x + y = 51$

All short-sleeved shirts cost $14.00 each and all long-sleeved shirts cost $23.00 each. Total receipts for the day were $921.00.

This means that

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We have to solve the system of equations.

$x + y = 51$

$x = 51 - y$

--------------

$14x + 23y = 921$

$14(51 - y) + 23y = 921$

$714 - 14y + 23y = 921$

$9y = 207$

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$y = 23$

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$x = 51 - y = 51 - 23 = 28$

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3 years ago

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Amiraneli [1.4K]

Answer:

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$AB=AC \\ (isosceles \: triangle \: \\ theorem)$

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kogti [31]

Answer:

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