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Irina-Kira [14]
3 years ago
11

How to solve for a variable

Mathematics
2 answers:
Butoxors [25]3 years ago
8 0

In order to solve for a variable, you need to get it by itself on one side of an equation. Depending on the equation, there are different steps to do that.

lbvjy [14]3 years ago
3 0

for the example d=68t +20

25=10x + 5

-5             -5

20= 10x

_________

10       10

2=x

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Help please ..............​
vlada-n [284]

Answer:

6x is indeed the Greatest Common Factor.

Step-by-step explanation:

6x[3 - y² + 2y⁶]

5 0
3 years ago
Together, two apples have 1/5 gram of fat. How many apples have a total of 4 grams of fat?
kompoz [17]

Answer:

40 apples

Step-by-step explanation:

If 2 apples is 1/5 of a gram of fat, then 5*2 (or 10) apples will have a total of 1 gram of fat. Therefore, 4*5*2 (or 40) apples will have a total of 4 grams of fat.

Sorry I didn't get to you guys in time. Hopefully this answer helps students in the future.

3 0
3 years ago
you invest 1000 in an account that pays simple interest of 6% for 30 years what. How much money will you have in 30 years
Genrish500 [490]
A = P(1+rt)
A = 1000(1+.06x30) = 2800
6 0
3 years ago
Read 2 more answers
Can someone help me with number 7 the circled one?
Ivenika [448]
Your answer:
<span>Equation:
x(x+1) = 2(x+1)+77
-----

x^2+x = 2x+79
x^2-x-79 = 0
------
This quadratic does not have an integer solution.</span>
5 0
3 years ago
The ages (in years) of the 6 employees at a particular computer store are 44, 46, 40, 34, 29, 41
son4ous [18]
step 1
<span>compute the average: add the values and divide by 6
Average =(44+ 46+40+34+29+41)/6=39

step 2
</span><span>Compute the deviations from the average
dev: (44-39)=5,
</span>dev: (46-39)=7
dev: (40-39)=1
dev: (34-39)=-5
dev: (29-39)=-10
dev: (41-39)=2

step 3
<span>Square the deviations and add
sum (dev^2): 5^2+7^2+1</span>^2+-5^2+-10^2+2^2
sum (dev^2): 25+49+1+25+100+4-----> 204

step 4
<span>Divide step #3 by the sample size=6
(typically you divide by sample size-1 to get the sample standard deviation,
 but you are assuming the 6 values are the population,
so
no need to subtract 1, from the sample size.
This result is the variance
Variance =204/6=34

step 5
</span><span>Standard deviation = sqrt(variance)
standard deviation= </span>√<span>(34)------> 5.83

the answer is
5.83</span>


4 0
3 years ago
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