3 years ago

TransversalsFind the value of x.

Mathematics

1 answer:

Eduardwww [97]3 years ago

3 0

Answer:

look at the picture I sent

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Two train leave stations 210 miles apart at the same time and travel toward each other. One train travels at 80 miles per hour w

Brrunno [24]

SOLUTION

At the same time t,

Train 1 would have covered a distance of 80t, since distance = average speed x time.

Train 2 would have covered a distance of 70t.

Now both added should give 210 miles

That is 80t + 70t = 210

150t = 210

t = 210/150

t = 1.4 hours

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1 year ago

All of the following ratio are equivalent to the ratio 5/8 EXCEPT

hammer [34]

The best answer here would be choice B

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Yakvenalex [24]

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2 years ago

What are the points for f(x)=3^(x-1)-2

Savatey [412]

Answer: (0, -1 $\frac{2}{3}$ ), (1, -1), (2, 1)

<u>Step-by-step explanation:</u>

Set the exponent equal to zero - <em>that is your anchor point</em>.

Then choose an x-value less than and greater than the anchor point.

$\left\begin{array}{c|c|l}&\underline{\quad x\quad }&\underline{\qquad \qquad f(x)\qquad \qquad \qquad \quad }\\\text{less than anchor}&0&3^{0-1}-2=3^{-1}-2=\frac{1}{3}-2 = -1\frac{2}{3}}\\\\anchor\ point&1&3^{1-1}-2=3^{0}-2=1-2 = -1}\\\\\text{greater than anchor}&2&3^{2-1}-2=3^{1}-2=3-2 = 1}\end{array}\right$

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3 years ago

-2^2-3(-2)+1 evaluate the polynoimal

Phoenix [80]

We must follow order of operations rules (PEMDAS) here: exponentiation first, followed by multiplication and division, followed by addition and subtraction.

Thus, -2^2-3(-2)+1 becomes:

-[4] + 6 + 1 = 2 + 1 = 3 (answer)

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3 years ago

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TransversalsFind the value of x.​

TransversalsFind the value of x.