3 years ago

Find the area of a triangle with sides 8 equals 5 b equals 8 and C equals 11

Mathematics

1 answer:

IceJOKER [234]3 years ago

4 0

I round the answer to the second digit and get 18.33

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3 years ago

Find f (2b^2) for (x)=x^2-4x

BlackZzzverrR [31]

Answer:

Step-by-step explanation:

We are given the function:

$f(x) = x^2 - 4x$

And we want to find:

$\displaystyle f(2b^2)$

Substitute:

$\displaystyle f(2b^2) =(2b^2)^2 -4(2b^2)$

And evaluate:

$\displaystyle \begin{aligned} f(2b^2) &=(2b^2)^2 -4(2b^2) \\ &=(4b^4) +(-8b^2) \\ &= 4b^4 - 8b^2 \end{aligned}$

In conclusion, our answer is A.

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2 years ago

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Anvisha [2.4K]

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3 years ago

3. Samantha earns $7.80 per hour. If her regular hours are 40

ddd [48]

Answer:

468

Step-by-step explanation:

312 for the regular 40 hours then overtime for 10 hours would be 7.80 doubled times 10

3 0

3 years ago

If it takes 5/6 yards of fabric to make a dress, then how many yards will it take to make 8 dresses?

saul85 [17]

Answer:

Improper Fraction: 20/3 yards

Mixed number: 6 2/3

Step-by-step explanation:

If 1 dress needed 5/6 yards to complete

then 8 dress needed

8 x 5/6 yards

which is 20/3 yards

I hope this helps

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2 years ago