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QveST [7]
3 years ago
10

I NEED HELP ASAP

Mathematics
2 answers:
Aliun [14]3 years ago
5 0

Answer:

y - 8 = \frac{5}{3}(x - 1)

Step-by-step explanation:

1) Use the slope formula, \frac{y_2 - y_1}{x_2 - x_1}, and the given points to find the slope. x_1 and y_1 represent the x and y values of one point the line must intersect, and x_2 and y_2 represent the x and y values of another point the line must also intersect:

\frac{(3)-(8)}{(-2)-(1)}

= \frac{-5}{-3}

= \frac{5}{3}

2) Using the point-slope formula, y-y_1 = m (x - x_1), use the slope you just calculated and substitute it for m. Choose any of the two points given (I chose (1,8)) and substitute its x and y values for x_1 and y_1. Don't worry, the equation of the line is the same no matter which point you choose (unless the question specifies which one you need to choose):

y - 8 = \frac{5}{3}(x - 1)

Lubov Fominskaja [6]3 years ago
3 0
We first solve to find the slope. The slope of the line is 5/3. Then we substitute that into the formula that is y-y1=m(x-x1). M represents the slope of the line and the x and y’s represent the point values. So we get 8-3=5/3(1+2). We get this solution if it asks you to figure out the slope along the way too.

If they ask you the equation when knowing only the two points you do 8-3=m(1+3)

They both mean the same thing ( it just depends on what the problem is specifically asking you about)
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Sam needs at least 78 credits to get his college degree. At the end of his third year, Sam has a total of 52 credits. Which ineq
Sergio039 [100]

Answer:

C + 52 ≥ 78

Step-by-step explanation:

Since Sam needs at least 78 credits to a college degree, the inequality is represented by a more than or equal to symbol (≥).

7 0
3 years ago
Plz read and answerrrrrrrrrrr
natulia [17]

Answer:

16.7%.

Step-by-step explanation:

There are initially 24 + 15 + 8 = 47 pencils in the bag.

Take a pencil out of this bag of 47 pencils. 15 out of the 47 pencils blue. Let A represent the event of getting a blue pencil on the first pick. The probability of getting a blue pencil is:

\displaystyle P(A) = \frac{15}{47}.

There are now 47 - 1 = 46 pencils left in the bag. However, given that the first pencil removed from the bag is blue, the number of red pencils in the bag will still be 24. Take another pencil out of this bag of 46 pencils. Let B represent the event of getting a red pencil on the second pick. The possibility that the second pencil is red given that the first pencil is blue will be:

\displaystyle P(B|A) = \frac{24}{46}.

The question is asking for the possibility that the first pencil is blue and the second pencil is red. That is:

\displaystyle P(A\cap B) = P(A) \cdot P(B|A) = \frac{15}{47}\times \frac{24}{46} = 0.166512 \approx 16.7\%.

5 0
3 years ago
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denis23 [38]
ABC = 54 feet squared
7 0
3 years ago
Simplify: square root of 81+18<img src="https://tex.z-dn.net/?f=%5Csqrt%7B7%7D" id="TexFormula1" title="\sqrt{7}" alt="\sqrt{7}"
Lemur [1.5K]

\sqrt{81 \:  +  \: 18 \sqrt{7}  \:  +  \: 7}

  • Factor the indicated expression:

\sqrt{(9 \:  +  \:  \sqrt{7} ) ^{2} }

  • Simplified the index, the root and also the exponent using the number 2.

\boxed{ \bold{9 \:  +  \:  \sqrt{7} }}

<h3><em><u>MissSpanish</u></em> </h3>
5 0
2 years ago
If y=5x+6, then what is x in terms of y?
KATRIN_1 [288]

Answer:

x=y/5+6/5

Step-by-step explanation:

Add  6  to both sides of the equation.

5 x = y + 6

Divide each term by  5  and simplify.

x = y /5 + 6 /5

7 0
3 years ago
Read 2 more answers
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