2 years ago

Need help with this question please!!

Mathematics

1 answer:

saw5 [17]2 years ago

5 0

$\displaystyle\\\tan x=1\\ 0^o$

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If F(x) = 4%-3, which of the following is the inverse of F(x)?

Brums [2.3K]

I assume you meant to type x for %.

If not, basically back-substitute at the end of the solution.

F(x) = 4x - 3

Let y = F(x)

y = 4x - 3

x = 4y - 3

x - 3 = 4y

(x - 3)/4 = y

Let y = F^(-1)x

F^(-1)x = (x - 3)/4

If you want % in your answer, just replace x for % in your answer.

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3 years ago

A random survey shows that 14 out of 21 students plan to vote for Jacob for class president. Which is the best prediction of the

FromTheMoon [43]

Answer: C. 120

Step-by-step explanation:

14/21 will get you 66.6. Taking that number and multiplying it by the 180 total students will end you with 120 which is your answer.

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Evaluate the expression 24x - 13y for x = 3 and y = 2 i need help

Vesna [10]

Answer:

Step-by-step explanation:

You need just substitute values of x and y, and calculate.

24x - 13y = 24*3 - 13*2 = 72 - 26 = 46

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3 years ago

He length of a rectangle is three times its width. The perimeter of the rectangle is at most 112 cm.

g100num [7]

The equation relating length to width
L = 3W
The inequality stating the boundaries of the perimeter
LW <= 112
When you plug in what L equals in the first equation into the second equation, you get
3W * W <= 112
evaluate
3W^2 <= 112
3W <= $4 \sqrt{7}$
W <= $\frac{4 \sqrt{7} }{3}$ cm

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3 years ago

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What is the expanded and word form for 101.06

Dvinal [7]

Word form: one hundred one and six hundredths.

expanded form: 100+1+0.06

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