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stealth61 [152]
3 years ago
6

How do i solve this equation and how did you do it

Mathematics
1 answer:
Murrr4er [49]3 years ago
6 0
   If      f(x) = (3x + 7)²
then   f(1) = (3(1) + 7)²
                =  10²
     ⇒  f(1) = 100  [OPTION E]
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4p + 3c and (c+2p)(2)
Tatiana [17]
\begin{gathered} 4p+3c=(c+2p)(2) \\ 4p+3c=2c+4p \\ 4p+3c-4p=2c+4p-4p \\ 3c\ne2c \\  \end{gathered}

since 3c is not equal to 2c, this means that the expressions are not equal

6 0
1 year ago
If StartFraction pi Over 2 EndFraction less than t less than pi ​, which of the following is​ true?
oksian1 [2.3K]

Answer:

b. cosine t less than 0 and cotangent t greater than 0

Step-by-step explanation:

We have the following relation

\frac{\pi }{2} < t

if we apply the cosine function in the relation we get:

cos\frac{\pi }{2}

-1

the cosine of t is between 0 and -1 then (cosine t less than 0)

If we now apply cotangent function in the relation:

cotan\frac{\pi }{2}

0

This means that cotang is greater than 0, therefore the correct answer is b. cosine t less than 0 and cotangent t greater than 0

5 0
3 years ago
The sum of two numbers is 25. One number is twice the second number plus seven. What are the two numbers ?
Hoochie [10]

Answer:

the two numbers are 19 and 6

Step-by-step explanation:

so we know that there are two numbers that added together give us 25

x+x=25


one of the numbers is twice the amount of the second plus 7

(2x+7)+x=25


simplify 2x+7+x

3x+7=25


subtract 7 from both sides

3x=18


divide 3 by both sides

x=6


and there is your answer.

4 0
3 years ago
An item is regularly priced at $80 . Sam bought it at a discount of 60% off the regular price. How much did Sam pay?
Nikitich [7]
Sam paid $32 for the item.
6 0
3 years ago
Which is the correct formula for the function?
tekilochka [14]
D. y = -2x - 2
y=mx+b
7 0
3 years ago
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