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zheka24 [161]
2 years ago
9

Find the slope and the equation pleaseand step by step PLEASE.​

Mathematics
1 answer:
Svetllana [295]2 years ago
5 0

Answer:

y = \frac{-4}{5}x + 1

Step-by-step explanation:

Slope is rise over run, or the vertical progression over the horizontal progression.

Your example has a line that heads downwards, so we know that the slope is negative. If we count the squares, the "rise" is down by 4. We count the squares going horizontally and there are 5. So, your slope is \frac{-4}{5}.

The other half of the equation is the y-intercept, or where the line crosses the y axis. It appears to be at (0 , 1), so we can say that your y-intercept is 1.

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Hal says the volume of the sphere shown below 36 cm3. Find the correct volume, using 3.14 for pi. Round to the nearest hundredth
adelina 88 [10]

Answer:

Volume of sphere is 35.98cm^3

Step-by-step explanation:

It is given that Hal says that volume of sphere is 36cm^3

Volume of sphere is given by V=\frac{4}{3}\pi r^3

\frac{4}{3}\pi r^3=36

\pi r^3=27

r^3=8.594

r=2.048cm

Now using 3.14 in place of \pi

Now volume of sphere is

V=\frac{4}{3}\times 3.14\times 2.048^3

V=35.98cm^3

Therefore volume of sphere when we use 3.14 in place of \pi is 35.98cm^3

And the Hal likely error is he uses \pi directly for calculation of volume.

7 0
3 years ago
How do you write an equation involving absolute value
sweet [91]
Ex: l -3 l = 3.

the two vertical lines on either side stand for absolute value, or the distance to 0 from the given number.
THE ANSWER WILL ALWAYS BE POSITIVE (except...)

however, if there is a negative sign on the OUTSIDE of the bars, the answer will be NEGATIVE.

ex: - l -4 l = -4
ex: l -4 l = 4
8 0
3 years ago
Mr. Evans is paid $9. 20 per hour for the first 40 hours he works in a week. He is paid 1. 5 times that rate for each hour after
Dmitry_Shevchenko [17]
No, he almost earns $400
9.20 / 1.5 = 6.13
9.20 - 6.13 = 3.07
9.20 + 3.07 = 12.27
12.27 x 2.25 =  27.61
9.20 x 40 = 368
368 + 27.61 = 395.61
Mr. Evans earned $395.61 for 42.25 hrs.

6 0
2 years ago
Read 2 more answers
The subject of the formula is y.<br> y = 4x + 3<br> Rearrange the formula to make x the subject
zysi [14]

Answer:

<h2>x = \frac{y - 3}{4}</h2>

Step-by-step explanation:

y = 4x + 3

To make x the subject send 3 to the other side of the equation

That's

4x = y - 3

<u>Divide both sides by 4 to make x stand alone</u>

\frac{4x}{4}  =  \frac{y - 3}{4}

We have the final answer as

x = \frac{y - 3}{4}

Hope this helps you

7 0
3 years ago
What are the domain and range of the function f(x) = 3x + 5?
Sidana [21]

Answer:

B

Step-by-step explanation:

Exponential functions are curves which approach a horizontal asymptote usually at y=0 or the x-axis. This function 3^x+5 has been moved up 5 units so its asymptote is at y=5. This means the function never goes below 5 in its y-values.

The x values are not affected and all are in the function. This is the domain. So the domain is (-∞, ∞).

The y values are affected and are y > 5. This is the range and it is written

(5, ∞).

Option B is correct.

7 0
3 years ago
Read 2 more answers
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