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Galina-37 [17]
3 years ago
13

If x^2/3 = 3 what is x^2

Mathematics
2 answers:
Zanzabum3 years ago
8 0

Answer:

x^2 = 9

Step-by-step explanation:

I multiplied both sides by 3

(×3) x^2/3 = 3 (×3)

x^2 = 9

trapecia [35]3 years ago
3 0

Answer:

X would be 3 making it 3^2 or nine

Step-by-step explanation:

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What is being done to the variable in the equation = -40?
larisa86 [58]

Answer:

It's being divided by 5.

Step-by-step explanation:

In this question, the variable being used in the equation is being divided by 5. This is represented by the / symbol in the equation which is the symbol for division. If we multiply both sides by 5 we can isolate the variable M and get its value like so...

M/5 = -40   ... multiply both sides by 5

M = -200

Therefore in this scenario, the value of M would be -200

7 0
3 years ago
21% of the students at a High are in Maths group, 15 % are in science group, and 6 % are in both. If a student is selected rando
mihalych1998 [28]

Answer:

6%

Step-by-step explanation:

The probability of picking a maths student = 21% = 21/100

The probability of picking a science student = 15% = 15/100 = 3/20

The probability of picking in both = 6/100 = 3/50

The probability that the student is in maths or science = 21/100 - 15/100 = 6/100 = 6%.

4 0
3 years ago
Values of x and g(x) are given in the table below. x 3.1 3.6 4.1 4.6 5.1 5.6 6.1 6.6 g(x) 3.8 4.8 5.4 5.8 6.4 7.8 9.4 11.4 for w
lina2011 [118]
I'm assuming that each number is in correspondence with a number of the other variable in terms of order.

What you want to do is look at each value of g(x) and see which number is closest to 3, then which ever value of x was plugged in for that function is your answer.

So the value of g(x) that is closest to 3 is 3.8 which I'm assuming that would mean the value of x would be 3.1 because it also comes first in the order you gave
6 0
3 years ago
What are the mean and standard deviation of the data -6,12,2,-4,1,6,0,3
antiseptic1488 [7]
For this data set:
mean = 1.75
standard dev. = 5.6252 or 5.63
7 0
3 years ago
Write the equation of the line, in point-slope form. Identify (x1, y1) as the point (-2, -1). Use the box provided to submit all
Bas_tet [7]

Answer:

y + 1 = \frac{1}{2} (x + 2)

Step-by-step explanation:

The equation of a line in point- slope form is

y - y₁ = m(x - x₁)

where m is the slope and (x₁, y₁ ) a point on the line

Calculate m using the slope formula

m = \frac{y_{2}-y_{1}  }{x_{2}-x_{1}  }

with (x₁, y₁ ) =(- 2, - 1) and (x₂, y₂ ) = (2, 1) ← 2 points on the line

m = \frac{1+1}{2+2} = \frac{2}{4} = \frac{1}{2}

with point on line (x₁, y₁ ) = (- 2, - 1 ), then

y - (- 1) = \frac{1}{2} (x - (- 2) ), that is

y + 1 = \frac{1}{2}(x + 2) ← equation of line

8 0
3 years ago
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