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Alexxandr [17]
3 years ago
11

I need help with understanding how to convert between systems​

Mathematics
1 answer:
cluponka [151]3 years ago
6 0

Answer:

6) - (7m - 4) A. [10m + (-7m)] + [(-6) + 4] B. (10m + 7m) + [(-6) + (-4)] C. [(-10m) + (-7m)] + (6 + 4) D. [10m + (-7m)] + [6 + (-4)]

Step-by-step explanation:

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Make x the subject of the formula (mx^2=f)
wolverine [178]

Answer:

x = ± \sqrt{\frac{f}{m} }

Step-by-step explanation:

Given

mx² = f ( isolate x² by dividing both sides by m )

x² = \frac{f}{m} ( take the square root of both sides )

x = ± \sqrt{\frac{f}{m} }

4 0
4 years ago
(09.05 MC) Derek kicks a soccer ball off the ground and in the air, with an initial velocity of 31 feet per second. Using the fo
ivann1987 [24]
In order to find the maximum of the function, we have to find the roots of the first derivative. 
H(t)=-16t^2+vt+s\\ H'(t)=-32t+v=0\\ v=32t\\ t=\frac{v}{32}=\frac{31}{32}=0.97s
This gives us the time at which the ball reaches its maximum height. 
We don't know s. We can find it because we know that at t=0 the ball is on the ground and its height has to be zero.
H(0)=0=-16(0)^2+v(0)+s\\ s=0
Finally, we can find the maximum height:
H(0.97)=-16(0.97)^2+31\cdot 0.97=15.0156 \simeq15$ft
The answer is C.
4 0
4 years ago
Read 2 more answers
Someone please help me find the value of x
Nady [450]

Hello,

5x² = 90/2

5x² = 45

x² = 45/5

x² = 9

x = √9 or x = -√9

x = 3 or x = -3

4 0
2 years ago
Read 2 more answers
Plz explain properly, I have this on my MATH FINAL TMR
Fiesta28 [93]
There would be 18 students.
Work: 22 1/2 or 22.5 and 1 1/4 or 1.25
So, 22.5/1.25cups equals 18 students
5 0
3 years ago
Jared has an average of 86% in his math class before the final exam. The final exam is 20% of his total grade. There are 55 poin
mr Goodwill [35]

The least number of points Jared needs to score is 53.

Jared already has an average of 86%. He want to have an overall average of 88. His exam is worth 20% of the total grade. This information can be modelled as:

(0.8 x 86%) + (0.2 x a) = 88%

a = score in the exam.

68.8 + 0.2a = 88%

Combine similar terms

0.2a = 88 - 68.8

0.2a = 19.2

a = 19.2 / 0.2

a = 96%

Jared has to score 96% on the exam.

The second step is to determine which score would give 96%

x / 55 = 96%

x = 55 x 0.96

x = 52.8

x = 53

To learn more about average score, please check: brainly.com/question/9133059

6 0
3 years ago
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