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Vikentia [17]
3 years ago
6

Solve and justify your steps: 2(x+9)-4=28 Helpppp pleaseeeee I neeed to write the whole process

Mathematics
1 answer:
Ksivusya [100]3 years ago
4 0
I’m so sorry, I’m in high school and I don’t even know how to answer this question, I’m def gonna fail the act, but I used an app, maybe that can help? Cause In reality, I’m a junior and I can’t help u

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The length of a rectangle is 9 inches more than twice it’s width. If the perimeter of the rectangle is 48 inches find its length
morpeh [17]

Answer:

Length=19 inches\\\\Width=5 inches

Step-by-step explanation:

Let the width of the rectangle be 'w' inches

length of the rectangle= (2w+9) inches

Perimeter of the rectangle= 48 inches

Perimeter of a rectangle= 2(Length+Width)

                      48=2((2w+9)+w)\\\\48=2(2w+9+w)\\\\48=2(3w+9)\\\\48/2=3w+9\\\\24=3w+9\\\\3w=24-9\\\\3w=15\\\\w=15/3\\\\w=5 inches

                     Width= 5 inches

Length=(2w+9)=2(5)+9=19 inches

Length=19 inches\\\\Width=5 inches

5 0
3 years ago
Explain what a​ P-value is. What is the criterion for rejecting the null hypothesis using the​ P-value approach?
ladessa [460]

Answer:

P-value or Probability value is the exact percentage where test statistics lie.The criterion for rejecting the null hypothesis using the​ P-value approach is that if P-value < Level of significance , then we reject our null hypothesis

Step-by-step explanation:

P-value or Probability value is the exact percentage where test statistics lie.

It also tells the probability of obtaining extreme results corresponding to our level of significance keeping in state that our null hypothesis is true or correct.

The criterion for rejecting the null hypothesis using the​ P-value approach is that if P-value < Level of significance , then we reject our null hypothesis i.e.  

Suppose P-value is 2.33% and Level of significance is 5%, then we will reject our null hypothesis as 2.33% < 5%.

On the other hand, if P-value > Level of significance , then we cannot reject or accept our null hypothesis.

5 0
3 years ago
Determine the equation of the line that is parallel to y=23x+4 and passes through the point (3,7).
Licemer1 [7]

Answer:  y = 23x - 62

<u>Step-by-step explanation:</u>

Parallel lines have the same slope.

y = 23x + 4

  m=23   b=4

Input x = 3, y = 7, & m = 23 into the Point-Slope formula to find the equation or the Slope-Intercept formula to find b (you already have m).  I will choose the latter.

 y = mx + b

 7 = 23(3) + b

 7 = 69 + b

-62 = b

m = 23, b = -62  -->  y = 23x - 62

6 0
3 years ago
Which statement is true about the sum of two rational numbers?
Vanyuwa [196]
You never included the statement, please, message me back and so so. This is fairly hard to do, as there is no statement to pick...
7 0
3 years ago
Some please help me!!!!!!!!!!:(
OlgaM077 [116]

Answer:

ad fk kcfj dlajk jk djkfa ejk fks e

Step-by-step explanation:

7 0
3 years ago
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