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coldgirl [10]
3 years ago
15

Evaluate the following expression when x = 4 and y = 5:

Mathematics
2 answers:
marissa [1.9K]3 years ago
8 0
It would be 23.5 idk if your aloud to do that 
or 141/6
antiseptic1488 [7]3 years ago
3 0
Hello!

You plug the values in for x and y

x = 4
y = 5

\frac{ 4^{2}+ 5^{3}  }{2 + 4}

Combine like terms

\frac{16 + 125}{6}

Add

\frac{141}{6}

Divide

The answer is 23.5

Hope this helps!
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There will be 22 pairs of shorts were sold at a price of $9 each.

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Thaddeus wants to attend a sports camp this spring that costs $170.00 for the week. He rakes leaves during the fall and earns
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What is the surface area of this composite solid?______________ square feet 242 319 363 517
jeka57 [31]

Answer:

<h2>The right answer is 415.4 cubic feet.</h2>

Step-by-step explanation:

As you can observe in the image attached, the composite figure is formed by a square prism and a pyramid on top.

We need to find the volum of each part separately.

<h3> Square prism.</h3>

V_{prims}=11 \times 11 \times 2=242 \ ft^{3}

<h3>Square pyramid.</h3>

First, we need to find the height of the pyramid. We already know the height of each triangular face of the pyramid, which divides equally the side.

Let's use Pythagorean's Theorem to find the height of the pyramid.

7^{2}=h^{2} +(5.5)^{2}\\  49-30.25=h^{2}\\ h=\sqrt{18.75} \approx 4.3

The height is 4.3 feet, approximately.

Now, we find the volume of the pyramid

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The sum of both figures represents the total volume of the composite figure

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Therefore, the right answer is 415.4 cubic feet.

3 0
3 years ago
Read 2 more answers
Can u simplify 1.3 + (-6) + (-4.25) =
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Answer:

-8.95

Step-by-step explanation:

(-6) + (-4.25) = -10.25

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4 0
3 years ago
Read 2 more answers
If the diameter of Cone A is 5cm find the diameter of Cone B​
lukranit [14]

Answer:

here,

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diameter of coneB is ?

Step-by-step explanation:

diameter of cone pie r square

so you can find

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