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fenix001 [56]
3 years ago
13

What are the surface area and volume of a regular triangular pyramid with a height of 9 cm and a slant height of 15 cm?

Mathematics
1 answer:
d1i1m1o1n [39]3 years ago
3 0
I believe it is 135.
Hope this helps
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If you flip a coin 4 times, what is the probability that you will get exactly 2 tails?
ioda

Answer:

0.375

Step-by-step explanation:

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7. Sandra had a coupon for 20% off. It took off $60 from the total cost. What was the original price of the item? Proportion Sol
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Charlie has $90 in a savings account. The interest rate is 10%, compounded annually. To the nearest cent, how much interest will
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6 0
2 years ago
The revenue of a company that makes backpacks is given by the formula R = 34.S0x, where x represents the number of backpacks sol
alexgriva [62]

Answer:

Revenue = 1380

Step-by-step explanation:

Given:

Revenue means the sales or turnover of a company when it sells its products. In other words, it is nothing but the income of a company on selling the products.

Here, the company is selling backpacks. So, revenue is the amount earned by the company on selling 'x' backpacks. The linear model to represent the same is given below.

The revenue received from selling 'x' backpacks is given as:

R=34.50x

Number of backpacks sold (x) = 40

Now, in order to find the revenue received on selling 40 backpacks, we need to plug in 40 for 'x' in the equation above and solve for the revenue, 'R'.

On plugging 40 for 'x', we get:

R=34.50\times 40\\\\R=1380

Therefore, the revenue received by the company on selling 40 backpacks is 1380.

8 0
3 years ago
Solve the system Also plz show work and what you did and these two equations with x and y the x and y have to be the same in bot
Gala2k [10]
Multply both equations by 2 leaving

x + 2y = 8
x - 2y = -2

Add the equations giving

2x = 6
x = 3

Substitute 3 in the top equation

3 + 2y = 8
2y = -5
y = -2.5
5 0
3 years ago
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