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3 years ago

PLEASE GUYS HELP ME :D

Mathematics

1 answer:

Debora [2.8K]3 years ago

7 0

The answer is 24 because you have to do 6x4=24

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Which factor did the railroad contribute to by encouraging population growth in West Texas from 1870 to 1890?

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Step-by-step explanation:i took the test

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The following table shows the cost for a person to go to the 4 - H Fair to go on a certain number of rides: Develop an equation

PtichkaEL [24]

In order to develop an equation, let's use the slope-intercept form of the linear equation:

$y=mx+b_{}$

Using the points (3, 13.5) and (5, 18.5) from the table, we have:

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Subtracting the second and the first equation:

$\begin{gathered} 5m+b-(3m+b)=18.5-13.5 \\ 2m=5 \\ m=2.5 \end{gathered}$

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So the equation that represents this table is y = 2.5x + 6

Looking at the options, the correct one is E (none of the above).

3 0

2 years ago

I just need to check if I'm right. For 9 and 10

Arlecino [84]

9 and 10 are correct :)

5 0

3 years ago

PLEASE HELP ME NOW!!

puteri [66]

Answer:

$x=4+-2\sqrt{7}$

Step-by-step explanation:

To solve, we need to take square root of both sides first:

$(x-4)^2=28\\\sqrt{(x-4)^2} =+-\sqrt{28} \\x-4=+-\sqrt{28}$

Now we use the property of radical shown below to simplify square root of 28:

Property: $\sqrt{x*y}=\sqrt{x} \sqrt{y}$

Now, we have:

$x-4=+-\sqrt{28}\\x-4=+-\sqrt{4*7}\\x-4=+-\sqrt{4}\sqrt{7}\\x-4=+-2\sqrt{7}$

Now we take 4 to the other side and isolate x:

$x-4=+-2\sqrt{7} \\x=4+-2\sqrt{7}$

first answer choice is right.

4 0

4 years ago

Read 2 more answers