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grigory [225]
4 years ago
9

A cake is a rectangular prism with height 3 inches and bases 8 inches by 10 inches. Samantha wants to apply frosting to the side

s and the top of the cake. What is the surface area of the part of the cake that will have frosting?
Mathematics
1 answer:
lana [24]4 years ago
4 0

Answer:

268

Step-by-step explanation:

Area for surface area of a rectangular prism:

A=2(wl+hl+hw)

Assuming:

l=10\\w=8\\h=3

A=2(80+30+24)= 268

Hope this helps!

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KengaRu [80]

Answer:

q=4/3

Step-by-step explanation:

simplify the right side, to 5/3

5/4q=5/3

multiply 4/5 on both sides

q = 5/3*4/5

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4 0
2 years ago
(x+3)(x-5)-(4x+1)(1-4x)=17x^
Greeley [361]

Answer: \boxed{Sol=\{\dfrac{7}{4} \}}\\

I suppose 17x^ means 17x².

and that we must solve the equation.

Step-by-step explanation:

(x-3)(x-5)-(4x+1)(1-4x)=14x^2\\\\x^2-3x-5x+15+(4x+1)(4x-1)=17x^2\\\\x^2-8x+15+16x^2-1=17x^2\\\\-8x+14=0\\\\8x=14\\\\x=\dfrac{7}{4} \\\\\boxed{Sol=\{\dfrac{7}{4} \}}\\

6 0
3 years ago
Find the value of x.
Ksenya-84 [330]

Answer:

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Step-by-step explanation:

Radius is 8 since thee short leg is 8 and it is from the center to the ed of the circle. 9 is the length of the hypotenuse from the tip of the triangle to the edge of the circle. The rest is equivalent to the radius which is 8. So hypotenuse  is 17, short leg is 8. Now we have what we need to find x. We can do this by using the formula A^2+B^2=C^2.

8^2=64 C^2=289

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225 square root is 15

so x=15

Hope this was helpful!

3 0
3 years ago
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marusya05 [52]

Answer:

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Step-by-step explanation:


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Step-by-step explanation:

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