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givi [52]
2 years ago
14

Please help, been stuck on this for ages!

Mathematics
1 answer:
marishachu [46]2 years ago
8 0

Answer:

\boxed {192 cm^{2}}

Step-by-step explanation:

<u>Find the volume of separate cuboids</u> :

<u>Volume (top cuboid)</u> :

⇒ V = 2 x 6 x (10 - 2)

⇒ V = 12 x 8

⇒ V = 96 cm²

<u>Volume (lower cuboid)</u> :

⇒ V = 8 x 6 x 2

⇒ V = 48 x 2

⇒ V = 96 cm²

<u>Volume (prism)</u> :

⇒ 96 + 96

⇒ 192 cm²

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PLEASE LOOK AT THIS multiple choice, thanks.
Y_Kistochka [10]

Answer:

The answer should be y= -2x + 8

Step-by-step explanation:

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3 years ago
Fill in Sin, Cos, and tan ratio for angle x. <br> Sin X = 4/5 (28/35 simplified)
Fantom [35]

Answer:

Given: \sin(x) = (4/5).

Assuming that 0 < x < 90^{\circ}, \cos(x) = (3/5) while \tan(x) = (4/3).

Step-by-step explanation:

By the Pythagorean identity \sin^{2}(x) + \cos^{2}(x) = 1.

Assuming that 0 < x < 90^{\circ}, 0 < \cos(x) < 1.

Rearrange the Pythagorean identity to find an expression for \cos(x).

\cos^{2}(x) = 1 - \sin^{2}(x).

Given that 0 < \cos(x) < 1:

\begin{aligned} &\cos(x) \\ &= \sqrt{1 - \sin^{2}(x)} \\ &= \sqrt{1 - \left(\frac{4}{5}\right)^{2}} \\ &= \sqrt{1 - \frac{16}{25}} \\ &= \frac{3}{5}\end{aligned}.

Hence, \tan(x) would be:

\begin{aligned}& \tan(x) \\ &= \frac{\sin(x)}{\cos(x)} \\ &= \frac{(4/5)}{(3/5)} \\ &= \frac{4}{3}\end{aligned}.

7 0
2 years ago
1
LekaFEV [45]
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2 years ago
The pool at the park is 18 feet wide how many yardsticks would it take to measure the width of the pool
sattari [20]
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4 0
3 years ago
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djyliett [7]

Answer:

5/2cups

Step-by-step explanation:

If a recipe serves 6 and calls for 3/4cups, arecipe that serves 20, will call for (20×3/4)/6 cups. Mathematically;

6recipe = 3/4cups

20recipe = x

Cross multiplying we have;

6x = 20×3/4

6x = 15

x = 15/6

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This means a recipe that serves 20 will call for 5/2cups

3 0
3 years ago
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