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GarryVolchara [31]
3 years ago
7

How do I find a solution in an equation

Mathematics
2 answers:
Alex_Xolod [135]3 years ago
3 0

Answer:

How to find a solution in an equation:

(1) Substitute the number for the variable in your equation,

(2) Simplify the expressions on both sides of your equation and

(3) Determine whether the resulting equation is true. If it is true, the number is a solution. If it is not true, the number is not a solution.

Step-by-step explanation:

If any questions, please ask them below.

If you have no questions, please have a great rest of your day/night!

velikii [3]3 years ago
3 0
We have 4 ways of solving one-step equations: Adding, Substracting, multiplication and division. If we add the same number to both sides of an equation, both sides will remain equal. If we subtract the same number from both sides of an equation, both sides will remain equal.
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1 . what is the surface area of a cube with a side length of 1/2 inches ??
Lelechka [254]

Answer:

2. you can use the formula y2-y1/x2-x1

4-(-6)/1-(-2) = 10/3

4 0
3 years ago
The diagonals of an isosceles trapezoid are congruent
notsponge [240]

Answer:

True

Step-by-step explanation:

True

The diagonals of an isosceles trapezoid are congruent

6 0
3 years ago
Read 2 more answers
Write a rule for linear function in the graph (4,3) (3 ,-1)​
yaroslaw [1]

Answer:

D) y = 4x - 13

Step-by-step explanation:

Slope: the change in y over the change in x

In a equation in slope-intercept form is in <em>y = mx + d, where m is the slope</em>.

The slope can be found by its definition. As<em> y goes up by 4, x goes up by 1</em>, so the slope is <em>4/1 = 4</em>.

The only option with 4 as the slope is D.

4 0
4 years ago
A certain scrapbook kit costs $26, and there is 6% sales tax.
Alex17521 [72]

Answer:

1% of 26 is $0.26 so 6% of $26 is $1.56

Step-by-step explanation

The answer for this is very easy all you have to do is for the first half you take 1% and turn it into a decimal which is 0.01 then you multiply 0.01 by 26 which is 0.26. For the next half of the problem, it's just like the last one you take 6% and turn it into a decimal which is 0.06 then you multiply 0.06 by 26 which is 1.56 and then you have your answer.

3 0
3 years ago
Test the null hypothesis that there is no difference between the estimates of the two garages. Be sure to specify the null and a
Alexxx [7]

Answer:

t = [ (x1' - x2' ) - d ] / SE . p < 0.05 suggests means are equal, p > 0.05 suggests means are unequal.

Step-by-step explanation:

Null Hypothesis [H0] : There is no difference between average estimates of two garages, M1 = M2

Alternate Hypothesis [H1] : There is difference between average estimates of two garages, M1  ≠ M2

Hypothesis can be tested by t test

t = [ (x1' - x2' ) - d ] / SE , where :-

x1' & x2' are sample means, SE = sqrt[ (s1^2/n1) + (s2^2 /n2) ] , d is the hypothesized difference between population means, and SE is the standard error ie 0 here

If the p value corresponding to calculated t value is < p value as per significance level (0.05) : We reject null hypothesis & state that M1  ≠ M2

If the p value corresponding to calculated t value >  p value as per significance level (0.05) : We accept null hypothesis & state that M1 = M2

 

6 0
3 years ago
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