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Otrada [13]
2 years ago
11

A cross country racer records a time of exactly 4 minutes to complete a race that is a distance of 1,000 meters. What is the rac

er's speed, in meters/second, during the race?
Mathematics
1 answer:
lions [1.4K]2 years ago
6 0

Answer:

.24 meters/second

Step-by-step explanation:

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I can't figure it out. <br>2x+2y=2<br>-4x+4y=12<br>​
koban [17]

Answer:

how to solve 2x+2y=2 , -4x+4y=12

this is  solving equations using substitution .... i have ALOT more but i juss dnt get this stuff

2x + 2y = 2      -4x + 4y = 12

x + y = 1

x = 1 - y

-4x + 4y = 12

-4(1 - y) + 4y = 12

(-4 + 4y) + 4y = 12

-4 + 8y = 12

8y = 16

y = 2

2x + 2y = 2

2x + 2(2) = 2

2x + 4 = 2

2x = -2

x = -1

Check.

-4x + 4y = 12

-4(-1) + 4(2) = 12

4 + 8 = 12

Answer: x = -1 and y = 2

Step-by-step explanation:

6 0
2 years ago
Select the correct answer.
Leviafan [203]

Answer:

The graph of function g is the graph of function f shifted 6 units up.

Step-by-step explanation:

Given

f(x) = 2^x

g(x) =2^x + 6

Required

Compare g(x) to f(x)

Substitute f(x) = 2^x in g(x) =2^x + 6

g(x) = f(x) + 6

<em>This implies that f(x) is shifted 6 units upward to give g(x)</em>

4 0
2 years ago
Write this ratio as a fraction in simplest form without any units. 3 gallons to 40 quarts.​
STALIN [3.7K]

Answer:

120quarts because you have to add 40+40+40

6 0
1 year ago
Can someone please help me with this
Kryger [21]

Answer:

1. 96 inches squared

2. h=324

3. 85

Step-by-step explanation:

1. v=lwh

v=8•3•4

v=96

2. 345- 21

h=324

3. 1,012/12

=84.3

hope this helped!

7 0
2 years ago
WILL GIVE BRAINLIEST
Anna11 [10]

Answer:

Sarah is paid $20 an hour at her new job. She wishes to graph her total pay y, as a function of the number of hours, x. She wants to be sure her graph shows her pay for 10 and 20 hours of work.

a. What is a good scale to use for the x-axis? Explain your reasoning.

b. What is a good interval to use for the y-axis? Explain your r

Step-by-step explanation:

3 0
2 years ago
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