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IRISSAK [1]
3 years ago
8

411x8=(400x. )+(. x8)

Mathematics
1 answer:
irinina [24]3 years ago
3 0
The answer to your problem is 0
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Maria is in the state park riding her bike on the new bike trail. She starts at the beginning of the trail and rides for 4 miles
Agata [3.3K]

Answer:

20 miles

Step-by-step explanation:

If Maria has been riding for 2 1/2 hours and Aiden only for 2. That means that the first 4 miles she rode alone was for 1/2 hour. So that is the rate.

1/2 hour for every 4 miles

Maria rode for 2 1/2 hours divided by 1/2 hours is 5. So 5 x 4mi = 20 miles

7 0
3 years ago
Read 2 more answers
Write the slope-intercept form of the equation of each line?
Ivenika [448]

Problem 1

It appears the line is going through the points (-1,-4) and (0,5)

Let's find the slope

(x_1,y_1) = (-1,-4) \text{ and } (x_2,y_2)  = (0,5)\\\\m = \frac{y_{2} - y_{1}}{x_{2} - x_{1}}\\\\m = \frac{5 - (-4)}{0 - (-1)}\\\\m = \frac{5 + 4}{0 + 1}\\\\m = \frac{9}{1}\\\\m = 9\\\\

The slope is 9

The y intercept is b = 5 as this is where the graph crosses the y axis.

We go from y = mx+b to y = 9x+5

<h3>Answer:   y = 9x+5</h3>

=======================================================

Problem 2

This line goes through the points (0,4) and (5,5)

We'll follow the same exact steps as before

First we need the slope

(x_1,y_1) = (0,4) \text{ and } (x_2,y_2)  = (5,5)\\\\m = \frac{y_{2} - y_{1}}{x_{2} - x_{1}}\\\\m = \frac{5 - 4}{5 - 0}\\\\m = \frac{1}{5}\\\\

The y intercept is the y coordinate of (0,4) so it's b = 4

<h3>Answer:  y = \frac{1}{5}x+4</h3>
4 0
2 years ago
Determine the y intercept (8grade
Soloha48 [4]

Answer:

its 14

Step-by-step explanation:

5 0
3 years ago
What is the equation of a circle that has a diameter of 10 units if its center is at (3,8)?
astraxan [27]

Answer:

Step-by-step explanation:

(x-3)^2+(y-8)^2 = 25

6 0
3 years ago
Convert these unlike fractions to equivalent like fractions and add them. You must use the LCD to get the answer correct. If pos
Nady [450]

Answer:

The answer is 2/3

Here you go hope this helped

5 0
3 years ago
Read 2 more answers
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