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Vesna [10]
3 years ago
6

A) make U subject of the formula E= m/2g(v^2-u^2)

Mathematics
1 answer:
ollegr [7]3 years ago
7 0

Answer:

u = v2−2Egm−−−−−−−√

Step-by-step explanation:

2Eg = 2g (M2g(V2−U2)

2Eg = m(V2 - U2)

2Eg - mV2 - mU2

mU2 = mV2 - 2Eg

mU2m=mV2−2Egm

U2 = mV2−2Egm

= mV2m−2Egm

U2 = V2 - 2Egm

U = V2−2Egm−−−−−−−−√

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Find the missing angles​
Pavlova-9 [17]

Answer:

the missing angles are 47,° 77,° 56°

Step-by-step explanation:

(133)+(x+13)= 180° (angles on a straight line)

133+x+13= 180°

146+x= 180°

X= 180-146

X= 34°

FOR ANGLE A

2X+9= 2(34)+9= 68+9= 77°

FOR ANGLE C

X+13= 34+13= 47°

FOR ANGLE B

47+77+Y= 180 (SUM OF ANGLES IN A TRIANGLE)

124+Y= 180

Y= 180-124= 56°

Y= 56°

the missing angles are 47,° 77,° 56°

7 0
3 years ago
15 students were asked how many hours per week they listen to music. 3 different graphs were used to record the same data.
AlladinOne [14]
If you observe the 4 graphical representations you will see that except stem and leaf plot, the rest 3 represent the same information. 

As the time is increasing, the frequency of students who listen to music is decreasing. The frequency is maximum for the first group 0 - 1 and least for the last group 6 - 7.

The ranges shown in both Frequency Table and Histogram are the same. 

So, the following options are correct:
<span>B) One of the displays does not show the same information as the others.
C) The first three displays show that as time increases, frequency decreases.</span>
5 0
3 years ago
Victor bought a new soccer ball. The original price was $29.99, but the ball was on sale for 15% off. What was the sale price?
Inessa [10]

Answer:

Sale price= $25.5

Step-by-step explanation:

Giving the following information:

The original price was $29.99, but the ball was on sale for 15% off.

<u>To calculate the sales price, we need to use the following formula:</u>

<u></u>

Sale price= original price* (1 - sales discount)

Sale price= 29.99*(1 - 0.15)

Sale price= $25.5

4 0
3 years ago
Is -6 over 7 a whole number a integer number or a rational number
vodka [1.7K]

Answer:

It is a rational number

Step-by-step explanation:

It is a rational number because -6/7 is equal to -0.857142 repeating. And a rational number repeats.

Hope this helps☝️☝☝

6 0
4 years ago
Read 2 more answers
Write the equation of a line in slope intercept form that is perpendicular to y = 2x - 5 and contains (-50,10(
Yanka [14]

Answer:

The equation of the line would be y = -1/2x - 15

Step-by-step explanation:

To find the equation, we need to start by looking at the original equation's slope, which is 2. Perpendicular lines have opposite and reciprocal slopes, so the new line will have a slope of -1/2.

Now we use that and the point in point-slope form to find the equation.

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y - 10 = -1/2(x + 50)

y - 10 = -1/2x - 25

y = -1/2x - 15

3 0
4 years ago
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