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g100num [7]
2 years ago
8

What is a slope of (4,2) (-1,2)

Mathematics
1 answer:
GREYUIT [131]2 years ago
5 0

Answer:

0

Step-by-step explanation:

The slope is zero.  You can use the formula for slope - \frac{y2-y1}{x2-x1}

which gives you \frac{2-2}{-1-5} and that equals \frac{0}{-6} which is simplified to 0.

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What is the sum of the arithmetic series
docker41 [41]

Answer:

S_ {12} = 192

Step-by-step explanation:

The nth term of the given arithmetic sequence is

U_n = 3 + 2n

The first term of this series is:

U_1 = 3 + 2(1) = 5

The last term of this series is when

n = 12

U_ {12}= 3 + 2(12)

U_ {12}= 3 + 24 = 27

The sum of the first n terms of an arithmetic series when the first an last term is known is given by:

S_n =  \frac{n}{2}(a + l)

Where a=5 is the first term and l=27 is the last term.

S_ {12} =  \frac{12}{2}(5 + 27)

S_ {12} =6(32) =19 2

6 0
3 years ago
Solve for x, 8+2/7x=12?Help?
Minchanka [31]

Answer:

X= 14

Step-by-step explanation:

4 0
2 years ago
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A car is reduced by 20% in price to $40,000. What was the original price?
VikaD [51]
48000 i think i might have missed a step


8 0
3 years ago
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hey! please help with this!!! Write all the 12 answer of measurements. If you can’t do it and you think it’s a lot you don’t hav
jarptica [38.1K]

Answer:

1) 1 and 4

2) 1 and 2

3) 1 and 5

4) 2 and 3

5) 130

6) 90

7) 25

8) 115

9) 70

10) 115

11) 40

12) 105

Step-by-step explanation:

Hope this isn't spam! Lol

4 0
3 years ago
Rosa recorded the height (in centimeters) of a pea plant over a 10-day period for a science experiment. Please help me with this
katrin [286]

Answer:

option a)

y = m(0.5) + 1.8

Step-by-step explanation:

Equation

<h3>y = mx + c</h3>

represent the equation of straight line

here m = gradient of straight line

         c = y-intercept

First find the gradient of the graph

<h3>m = y2 - y1 / x2 - x1</h3>

    = 4 - 3 / 4 - 2

    = 1 / 2

Put the values in the equation of straight line

y =mx + c

4 = 1/2(4) + c

c = 2

y = 1/2x + 2

which is approximately equal to y = 0.5x + 1.8

7 0
3 years ago
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