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Vitek1552 [10]
4 years ago
8

The equation for the line that passes (-1,-2) and (4,3)

Mathematics
1 answer:
laila [671]4 years ago
5 0
Find the slope and use one point to write the equation of a line (we’ll be using point-slope form). The slope is:
(3 - (-2) ) / (4 - (-1) ) = 1. Plug it into point slope form, y - y1 = m(x - x1), and we get y - 3 = 1(x - 4). If we want to get slope-intercept, distribute the 1, and solve for y: y = x - 1.
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Imena's math test scores are 83, 93, 78, 89, and 83. She has one more math test this semester. What score most she get on the te
marshall27 [118]
87 is the median because 83 and 87's average is 85.
8 0
3 years ago
Read 2 more answers
Find the measures of angels of M and N<br><br>M (6y-10)<br><br>N (4y-10)
PSYCHO15rus [73]

We have been given an image of a trapezoid. We are asked to find the measure of angle M and N.

We know that bases of trapezoid are parallel and the two angles between two parallel lines are supplementary, so we can set an equation as:

\angle M+\angle N=180

(6y-10)+(4y-10)=180  

6y-10+4y-10=180

10y-20=180

10y-20+20=180+20

10y=200

\frac{10y}{10}=\frac{200}{10}

y=20

Upon substituting value of y in measure of angle M, we will get:

m\angle M=6y-10

m\angle M=6(20)-10

m\angle M=120-10

m\angle M=110

Therefore, measure of angle M is 110 degrees.

Similarly, we will find the value of angle N as:

m\angle N=4y-10

m\angle N=4(20)-10

m\angle N=80-10

m\angle N=70

Therefore, measure of angle N is 70 degrees.

5 0
3 years ago
Steve cycled 35 miles in 2 1/2 hours. What is the average speed that Steve traveled? miles per hour
Evgesh-ka [11]

Answer:

14 miles per hour

Step-by-step explanation:

The average speed would be the total distance divided by the total time = 35 miles divided by 2.5 hours is 14 miles per hour

5 0
3 years ago
3. A shop sells 600 televisions in a year. If this is a 50% increase on sales the previous year,
zlopas [31]
50% of 600 is 300, so if there was an increase so its 900
6 0
3 years ago
Which of the following is a root of the polynomial function below f(x)=x^3+X^2-7x+2
frosja888 [35]

Answer:f(x) = 2x³ - x² - 9x + 6

  0 = 2x³ - x² - 9x + 6

  0 = 2x³ + 3x² - 4x² - 3x - 6x + 6

  0 = 2x³ + 3x² - 3x - 4x² - 6x + 6

  0 = x(2x²) + x(3x) - x(3) - 2(2x²) - 2(3x) + 2(3)

  0 = x(2x² + 3x - 3) - 2(2x² + 3x - 3)

  0 = (x - 2)(2x² + 3x - 3)

  0 = x - 2    or    0 = 2x² + 3x - 3

+ 2      + 2           x = -3 ± √(3)² - 4(2)(-3)

  2 = x                                  2(2)

                          x = -3 ± √9 - 4(-6)

                                          4

                          x = -3 ± √9 + 24

                                         4

                          x = -3 ± √33

                                     4

                          x ≈ -3 ± 5.74

                                      4

                          x ≈ -3 + 5.74    or    x ≈ -3 - 5.74

                                      4                             4

                          x ≈ 2.74    or    x ≈ -8.74

                                  4                       4

                          x ≈ 0.685    or    x ≈ -2.185

Step-by-step explanation:

6 0
3 years ago
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