3 years ago

GIVING BRAINLIEST -30 points- URGENT HELP ME PLEASE!!!

Mathematics

2 answers:

Aneli [31]3 years ago

6 0

Answer:

hope this helps you.......

GREYUIT [131]3 years ago

3 0

Step-by-step explanation:

sorry for the bad picture

hope it helps you

have a good day

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If x= -8 and y=-4, evaluate the expression.<br> <img src="https://tex.z-dn.net/?f=%5Cfrac%7B3x-4%7D%7By-3%7D" id="TexFormula1"

bagirrra123 [75]

Your answer would be 4.

If we substitute in x = -8 and y = -4 into the expression, we get:

$\frac{3(-8) - 4}{-4 - 3}$

This then becomes:

$\frac{-24 - 4}{-7}$ = $\frac{-28}{-7}$ = 4.

I hope this helps!

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3 years ago

Determine if the two figures are congruent and explain your answer.

Dvinal [7]

They are congruent. Distance formula works.

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2 years ago

I still cant figure it out . ughh −2∣5w−7∣+9=−7

Fofino [41]

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4 years ago

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motikmotik

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The results of a test of a metal are shown in the table, with strain in meters per meter, andstress in units called megapascals,

shusha [124]

The metal obey this law for values of strain until 0.05, where we have a linear relationship (each increase of 0.01 in the strain causes an increase of 100 in the stress). After this point, we don't have a linear relationship anymore.

c. Since an increase of 0.01 in the strain causes an increase of 100 in the stress, the slope is:

$m=\frac{100}{0.01}=10000$

Now, calculating the coefficient b (y-intercept), we have:

$\begin{gathered} (0.01,100)\colon \\ 100=0.01\cdot10000+b \\ 100=100+b \\ b=0 \end{gathered}$

So the equation is:

$y=10000x$

The maximum value of stress is 560, and occurs at strain = 0.07.

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