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rusak2 [61]
3 years ago
11

Someone answer the whole thing fast plz

Mathematics
1 answer:
Brilliant_brown [7]3 years ago
6 0

Answer:

y = 2x + 54

Step-by-step explanation:

slope of equation:

(y2-y1)/(x2-x1)

= (72-58)/(9-2)

= 14/7

= 2

y = 2x + b

58 = 2(2) + b

58 = 4 + b

b = 54

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Find the y? 3x + 6y = 12
kari74 [83]

Could you give Brainliest please???

Answer:

y = 2 - 1/2x

Step-by-step explanation:

So we are given the equation 3x + 6y = 12 and are ask to find y.

To find y you must isolate it first.

3x + 6y = 12

(Subtract 3x to isolate the y term)

6y = 12 - 3x

(Divide both sides by 6 to isolate the variable)

y = 2 - 3/6x

(Simplify)

y = 2 - 1/2x

And that is your answer since there is a second variable.

5 0
3 years ago
Find the distance between the points (0, 10) and (–9, 1).
dimulka [17.4K]

\\ \sf\longmapsto \sqrt{(x_2-x_1)^2+(y_2-y_1)^2}

\\ \sf\longmapsto \sqrt{(-9-0)^2+(1-10)^2}

\\ \sf\longmapsto \sqrt{(-9)^2+(-9)^2}

\\ \sf\longmapsto \sqrt{81+81}

\\ \sf\longmapsto \sqrt{162}

\\ \sf\longmapsto 12.42

5 0
2 years ago
Write 5 to the power of 8 as a quotient of two exponential terms with the same base in four different ways. use negative or zero
ryzh [129]
So, we are given 5^8. It was happy and content. But then... we had to write it as a quotient of two exponential terms with the same base in four different ways and use negative or zero exponents and ahhhhhh!!!

... anyways...

We'll build a quotient of two exponential terms with the same base 5. Something like this:

5^a / 5^b

We need them to make 5^8 when we are done. I'll first use a zero exponent.

[1] Now, zero exponents are nice since they make things equal 1. Like 5^0 = 1. Well, obviously, 5^8 / 1 = 5^8. So, our first quotient can be:

5^8 / 5^0

Done.

[2] Let's try this on its head. This one's a little weird. Remember that negative exponents flip things upside down. So 5^-8 = 1/5^8    and   1/5^-8 = 5^8 for example. In fact... that's the answer!

5^0 / 5^-8 = 5^8

Done.

[3] Let's try to not use 0s or 8s. We can be clever and do something like this:

5^-1 / 5^-9

What the heck is that? Well, we just flip them and get:

5^-1 / 5^-9 = 5^9 / 5^1 = 5^8

Done.

[4] Can you come up with one last trick on your own? Try it!
3 0
3 years ago
The third grade students go on a field trip. Of the 321 students there are 5 more girls than boys. How many girls are there? How
eduard
First you would take 321 and subtract 5
316
they you would divide by 2
158
there are 158 boys 
to find the # of girls take 158 and add 5
163
8 0
3 years ago
Graph the system of inequalities y&lt;5x-1, y<img src="https://tex.z-dn.net/?f=%20%5Cgeq%20" id="TexFormula1" title=" \geq " alt
zhannawk [14.2K]
The inequalities that are given in this item are given below,
       y < 5x - 1
       y ≥ -3x +4

We dropped the inequalities sign to solve for the values of x and y for the intersection.
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Substituting the y from the first equation to the y of the second equation,
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Substituting for y,
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The intersection is (5/2, 11.5)

The solutions of the system of inequalities lie in the 3rd and 4th quadrants. 
6 0
3 years ago
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