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harina [27]
3 years ago
13

Does anyone know how to answer this exercise?

Mathematics
1 answer:
neonofarm [45]3 years ago
8 0

Answer:

Step-by-step explanation:

The leftmost line segment has a slope of -2 and (-1,-1)  is a point on the line.

Equation: y = -2x-3

middle line segment has a slope of 0 and  y-intercept of -2.

Equation:  y = -2

The rightmost line segment has a slope of 1.5. (5,0) is a point on the line.

y = 1.5(x-5) = 1.5x-7.5

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Fatima is on the track team. One day at practice, it took her 19 minutes to run 2 miles. Select the expression that gives this a
Aneli [31]

Answer:

19 minutes in 2 miles is how long it tool her to run it

Step-by-step explanation:

6 0
3 years ago
The length of a bridge is 230 m. The length of each of Robert's paces is 75 cm.
wariber [46]

Answer:

307 paces

Step-by-step explanation:

First, lets convert Robert's pace to metres. (cm > m)

75cm = (75/100)m

= 0.75m

Number of Full Paces = Length of Bridge / 1 Full Pace

=

\frac{230m}{0.75m}  \\  = 306 \frac{2}{3} paces

See , we must have full paces, and in this case we are finding the minimum number of paces, so we will be looking at the lowest possible whole number, which in this case, is 307 paces.

5 0
2 years ago
Calculate the slope of the line that passes through the points (-4,-7) and (1,-7)​
uranmaximum [27]

\bf (\stackrel{x_1}{-4}~,~\stackrel{y_1}{-7})\qquad (\stackrel{x_2}{1}~,~\stackrel{y_2}{-7}) \\\\\\ \stackrel{slope}{m}\implies \cfrac{\stackrel{rise} {\stackrel{y_2}{-7}-\stackrel{y1}{(-7)}}}{\underset{run} {\underset{x_2}{1}-\underset{x_1}{(-4)}}}\implies \cfrac{-7+7}{1+4}\implies \cfrac{0}{5}\implies 0

8 0
4 years ago
Read 2 more answers
Can anyone help me with this problem
dimaraw [331]

the answer would be a= -1

4 0
1 year ago
What value of a makes the equation true?
blagie [28]
<span>1.7a+0.3a=4/5
2a = 4/5
  a = 4/5 * 1/2
  a = 4/10
a = 2/5

answer
</span>  a = 2/5

updated

4 0
4 years ago
Read 2 more answers
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