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HACTEHA [7]
3 years ago
13

What is the equation of the line that passes through the points (15, 19) and (-2, 9)

Mathematics
1 answer:
shusha [124]3 years ago
6 0
I believe the equation of the line that passes through the points can be seen on the graph. Hope it helps :)
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The time required to do a job varies inversely as the number of people working. It takes 5hr for 7 bricklayers to build a park w
ExtremeBDS [4]

<u>Answer</u>

3.5 hours.


<u>Explanation</u>

The first step is to calculate the constant of proportionality.

t ∝ 1/n

t = k/n   Where t = time, K= constant and n = number of people

t = k/n

k =tn

   = 5×7 = 35

The equation becomes;

t = 35/n

for n = 10,

t = 35/10

  t = 3.5 hours.

6 0
3 years ago
I need help asap please
rjkz [21]

Answer:

x = -\frac{3}{2} or x = 1

Step-by-step explanation:

Using the zero product property, first step is to set the given equation, 2x^2 + x - 1 = 2 , to zero. Then factorise the left side.

Thus,

2x^2 + x - 1 = 2

Subtract 2 from both sides

2x^2 + x - 1 - 2 = 2 - 2

2x^2 + x - 3 = 0

Factorise the left side

2x^2 + 3x - 2x - 3 = 0

x(2x + 3) - 1(2x + 3) = 0

(x - 1)(2x + 3) = 0

Find the solution

x - 1 = 0

Or

2x + 3 = 0

x = 1

Or

2x + 3 = 0

2x = -3

x = -\frac{3}{2}

The answer is: x = 1 or x = -\frac{3}{2}

3 0
3 years ago
Three of thiry computers are put of service whar percent of the computers are working​
Schach [20]

Answer: 10%

Step-by-step explanation:

30/3 = 10

3 0
3 years ago
Solve the inequality.
zysi [14]

Answer:

?= 2

X=1

Step-by-step explanation:

3(1+1)<9

3×2<9

6<9

Pls mark brainliest.

8 0
1 year ago
Read 2 more answers
How do you solve -28-6x=-2(1-3x)-2
Zina [86]

-28-6x=-2(1-3x)-2

-28-6x=-2+6x-2

-28-6x=-4+6x

-6x-6x=-4+28

-12x=24

x=-2

6 0
3 years ago
Read 2 more answers
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