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lisov135 [29]
3 years ago
12

It takes Sara 1/2 day to make a birdhouse. How much of the birdhouse will be built after 2/5 day?

Mathematics
1 answer:
hram777 [196]3 years ago
4 0

Answer:

80%

Step-by-step explanation:

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The system of equations is graphed on the coordinate plane.
ehidna [41]

Answer: The solution is (3, -2)

This means that x = 3 and y = -2 pair up together.

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

Explanation:

The solution is where the two lines cross. Note if we started at the origin (0,0) and moved to the right 3 units, and then down 2 units, we would arrive at the location (3, -2).

-----------------

As a way to check, we can plug x = 3 into each equation. We should get y = -2 as a result for each equation

y = (-5/3)x + 3

y = (-5/3)*3 + 3

y = -5+3

y = -2

The first equation is confirmed. Let's check the second equation

y = (1/3)x - 3

y = (1/3)*3 - 3

y = 1 - 3

y = -2

Both equations have the y value equal -2 when x = 3. Therefore, the overall solution is confirmed.

3 0
2 years ago
I need serious answers ppl keep putting those links
ohaa [14]

Answer:

Roman

Step-by-step explanation:

An easy way to solve this is looking at whether the line has a positive or negative slope. We read graphs from left to right so <u>if the line is increasing from left to right, it has a positive slope while a line decreasing from left to right has a negative slope</u>. Since the line shown is decreasing from left to right, it will have a negative slope and Roman is the only one out of the two that shows a negative slope. To check to see if he's correct, we can check the y-intercept. The y-intercept of the line is 8 and Roman also has 8 written in the expression. Hence, meaning Roman is correct.

Best of Luck!

7 0
3 years ago
Jake runs the 100-meter dash in
SSSSS [86.1K]

Answer:

400 meters

Step-by-step explanation:

We are told in the question that:

Jake runs the 100-meter dash in

track.

Erika runs a race 400% the distance of Jake's race.

Hence, the length of

Erika's race is calculated as:

400% × 100 - meter

= 4 × 100- meter

= 400 meters

Therefore, Erika's race was 400 meters long.

4 0
3 years ago
$0.25 per minute for the first 400 minutes. Write the function that models
Ratling [72]

Answer:

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Find y.....................................-3(7-5)=24
Dennis_Churaev [7]
Y=15 you welcome if you don't get ask
6 0
3 years ago
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