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Anni [7]
2 years ago
14

Make x the subject of the formula. y = √x² +1

Mathematics
1 answer:
GrogVix [38]2 years ago
3 0

Answer: x = \sqrt{y^2 -1}

Step-by-step explanation:

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A line that includes the points (9,
IceJOKER [234]
Your numbers are all over the place, I will assume that you are saying that the slope is 13.

Looking at the formula for calculating slope/gradient, it is Rise/Run. 
Rise/Run = y2 - y1 divided by x2 - x1. The reason for this is because if you minus one y value from the other y value you get the difference in values which is the rise, and if you minus one x value from the other x value you get the difference in value  which is the run. 

So by using this formula, you get:
 
(7 - 6) / (v - 9) = 13
Therefore 1/(v - 9) = 13
If you multiply both sides by (v-9), you get 1= 13v - 117
you rearrange it to 13v = 118
If you divide by 13, you get your answer = 9.0769

You can check your answer by putting this value back into the gradient formula.
 
(7-6)/(9.0769-9) 
=13.004
7 0
3 years ago
Jordan gets paid to mow his neighbor's lawn. For every week that the mows the lawn, he earns $20. Write a rule as an algebraic e
dsp73

Answer: jordan earned in weeks is 20w

Step-by-step explanation:

6 0
3 years ago
Use the ratio table to find the unit rate with specified units.
olasank [31]
It’s 10.5 I’m pretty sure
3 0
3 years ago
Read 2 more answers
75% of what equals 225?<br> What did you get for 10%, 20% , 30% , 40%, 50% ,60% and 70%?
Lesechka [4]
75% of 225 = 300.

10% = 30
20% = 60
30% = 90
40% = 120
50% = 150
60% = 180
70% = 210
80% = 240
90% = 270
<span>
If you need an explanation, just ask.
</span>
8 0
3 years ago
Find sum or difference.<br><br>-1/2 + 1/3
Free_Kalibri [48]
2/5 is the answer unless your multiplying
6 0
3 years ago
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