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erastova [34]
3 years ago
11

33 POINTS HELP ME FAST ILL MARK BRAINLIEST Henry wants to laminate the tabletop in his study room. The tabletop is the shape of

an isosceles trapezoid shown here. If laminating costs $4 per square foot, what is the total cost to laminate the tabletop?
A trapezoid with a height of 3 feet and bases of 6 feet and 10 feet is shown.
Mathematics
1 answer:
mario62 [17]3 years ago
3 0
Find the area of trapezoid.

1/2(6+10)(3) = 24

Now multiply 24 by $4 to find the total cost.

24 * 4 = 96

So the total cost is $96

Hope this helps :)
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The drama club was selecting which carnival booths to sponsor at the fall carnival from a list of nine. How many different ways
denis-greek [22]

Answer:

Option B

Step-by-step explanation:

Here we have to apply " combination and permutation. " It is given that the drama club had to choose three booths from a selection of 9, considering the possible ways to choose so. This is a perfect example of combination. In nCr, n corresponds to 9, respectively r corresponds to 3.

\mathrm{n\:choose\:r},\\nCr=\frac{n!}{r!\left(n-r\right)!},\\\\\frac{9!}{3!\left(9-3\right)!} =\\\frac{9!}{3!\cdot \:6!} =\\\\\frac{9\cdot \:8\cdot \:7}{3!} =\\\frac{504}{6} =\\\\84\\\\Solution = Option B

Hope that helps!

8 0
3 years ago
The number of students at Lala High School is 64 less than 3 times the number of students at Banana High School. Which expressio
dangina [55]

Answer:

3s - 64

Step-by-step explanation:

7 0
3 years ago
Solve: 3(5x - 8) = 6x + 39
soldier1979 [14.2K]

Steps to solve:

3(5x - 8) = 6x + 39

~Distribute left side

15x - 24 = 6x + 39

~Add 24 to both sides

15x = 6x + 63

~Subtract 6x to both sides

9x = 63

~Divide 9 to both sides

x = 7

Best of Luck!

6 0
3 years ago
Simplify:<br><br> 5(4 - h) - 2(9 - 2h)
elena-14-01-66 [18.8K]

Answer: -h+2

Step-by-step explanation:

5\left(4-h\right)-2\left(9-2h\right)

=20-5h-2\left(9-2h\right)

=20-5h-18+4h

=-h+2

7 0
3 years ago
Read 2 more answers
Someone pleeeeaseeee help a sister out
zvonat [6]

I gottt you sis

P + 0.20p = 1.20p

P - 0.20p = 0.80p

P + 1/4p = 5/4p

P - 1/4p = 3/4p

7 0
3 years ago
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