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3 years ago

GIVING AWAY 100 POINTS cause y not

Mathematics

2 answers:

avanturin [10]3 years ago

6 0

Answer:

yay. thxx

Step-by-step explanation:

coldgirl [10]3 years ago

6 0

Answer::::::::::::yes

YES
yes

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Measured value: 23.5 cm actual value: 25 cm. What is the percent error???

goldenfox [79]

Percent error is (what u got - the actual answer/the actual answer * 100)

4 0

3 years ago

Need help with this question

podryga [215]

Answer:

The bottom two

Step-by-step explanation:

Units of time should always be on the x-axis, otherwise a positive graph would mean a drop in the opposing y-axis unit.

5 0

3 years ago

Write an equation of a line through (4,-1), parallel to y = 1x – 5<br><br>

Mashcka [7]

Y=1x -1

this is because you only change the z intercept when lines are parallel

5 0

3 years ago

Jim is trying to improve his speed on the track so he can qualify for the State Championships. As he is running, he goes from 70

kumpel [21]

Answer:

His acceleration is $\frac{1}{15}$ meters per seconds²

Step-by-step explanation:

Acceleration is the rate of change of the speed

The formula of acceleration is $a=\frac{v_{f}-v_{i}}{t}$ , where

$v_{f}$ is the final speed
$v_{i}$ is the initial speed
The unit of the acceleration is meters/second²

∵ Jim goes from 70 meters/minute (beginning speed) to

106 meters/minute (final speed) in 9 seconds

∴ His initial speed $v_{i}$ = 70 meters/minute

- Change it the meter per second

∵ 1 minute = 60 seconds

∴ $\frac{70}{(1)(60)}=\frac{70}{60}=\frac{7}{6}$ meters/second

∴ $v_{i}$ = $\frac{7}{6}$ meters/second

∵ His final speed $v_{f}$ = 106 meters/minute

- Change it the meter per second

∴ $\frac{106}{(1)(60)}=\frac{106}{60}=\frac{53}{30}$ meters/second

∴ $v_{f}$ = $\frac{53}{30}$ meters/second

∵ The time of the change of his speed is 9 seconds

∴ t = 9

∵ The formula of acceleration is $a=\frac{v_{f}-v_{i}}{t}$

- Substitute the values of t, $v_{i}$ and $v_{f}$ in the formula above

∴ $a=\frac{\frac{53}{30}-\frac{7}{6}}{9}=\frac{1}{15}$

∴ His acceleration is $\frac{1}{15}$ meters per seconds²

3 0

3 years ago

Greatest common factor of 7 and 49

valina [46]

Answer:

Step-by-step explanation:

The greatest common factor or GCF of 7 and 49 is 7 because 7 is the highest number that can go into both numbers 7 and 49. No other number can go into those numbers except 7.

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4 years ago