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Answer:

x+9=18-2x

-x         -x

9=18-3x

-18-18

-9=-3x

-3   -3

3=x

x=3  

Step-by-step explanation:

Answer:

x = 3

Step-by-step explanation:

Isolate the variable by dividing each side by factors that don't contain the variable and solve for x for the question “ x + 9 = 18 + -2x”.

Hope this helps :)

Answer:

Step-by-step explanation:

A. C. np

New born = 2.6 × 10¹⁰ cells.

Adult         = 4.94 × 10¹³ cells.

How many times more = adult cells ÷ newborn cells

                                      = 4.94 × 10¹³ cells ÷ 2.6 × 10¹⁰ cells

                                      =  1.9 × 10³ cells

Answer:

x=5

Step-by-step explanation:

x^2+25-10x = x^2-25

-x^2               -x^2

25-10x = -25

-25        -25

-10x = -50

x=5

lets check

(5-5)^2 = 5^2-25

0^2 = 25-25

0 = 0

Answer:

x = 5

Step-by-step explanation:

(x - 5)^2 = (x - 5) (x - 5) =

x^2 -10x + 25 = x^2 - 25

x^2 - x^2 - 10x + 25 = - 25 (x^2 - x^2 = 0)

- 10x + 25 = - 25

- 10x = - 25 - 25

x = - 50/- 10

x = 5

Answer:

7

Step-by-step explanation:

Mean, also referred to as average, is evaluated by dividing the sum of the data by the amount of data.

2+9+10+4+8+4+12 = 49

Dividing 49 by the amount of data, 7

49/7 = 7

Answer:

7

Step-by-step explanation:

add all 2, 4, 4, 8, 9, 10, 12

divide some by number of data set 7

Answer:

22. the answer is 27n^2 m^5 s^6 / 32

23. the answer is -7

Step-by-step explanation:

Answer:

Hey, so it's actually pretty simple I'll try my best to explain it properly!

Step-by-step explanation:

So for the first blue circle the line that goes to the middle that's the radius. And to solve the area you need to know the radius. The formula to solve the area is A = [tex]\pi[/tex] [tex]r^{2}[/tex] so what we would do its 3.14 times 6 times 6 or 3.14 times 36 which would give us the area! Now for circumference, the equation for that is C = 2[tex]\pi r^{2}[/tex] which would look like 2 times 3.14 times 6 times 6 or 2 times 3.14 times 36 and that would give you the circumference.

Answer:

695/kph

Step-by-step explanation:

Divide the kilometers (3475) by the number of hours (5)

to get 695

Answer:

1) Divide the numerator by the denominator to get 0.6

2) Divide the numerator by the denominator to get 0.7

3) Divide the numerator by the denominator to get 0.25

4) Place 55 over 100, since this number is in the hundredths place, and then divide it (55 ÷ 100). Your answer is 11/20 .

5) Place 6 over 10, since this number is in the tenths place, and then divide it

(6 ÷ 10 = 3/5). Next multiply the whole number (10) by the denominator (5) and then add the numerator (3) to get 53. You now have 53/5 which is the improper form, or 10 3/5 which is the mixed number form.

6) Place 856 over 1,000 , since this is in the thousandths place, and then divide it

(856 ÷ 1,000). Your answer is 107/125 .

7) 0.05, 0.5, 4/5

8) 1.3, 1 1/2, 1.85

Can't see the rest of the page, sorry. Either way, hope this helped :)

Answer:

Step-by-step explanation:

Yes.

Answer:

is a linear absolute value function

Answer:

$78.84

Step-by-step explanation:

$26.28 multiplied by 3 is $78.84

Answer:

x² - 3x ≤ 54 m²

Step-by-step explanation:

Step-by-step explanation:

and ? what do we need to do with this ?

compress/simplify this ?

if that is true :

(x+3)(x²-3x+9)-(54+x³)

x³ - 3x² + 9x + 3x² - 9x + 27 - 54 - x³ = -27

Answer:

There are 12 players

Step-by-step explanation:

6 x 2 = 12

Answer:

d

Step-by-step explanation:

Answer:

5 pounds

Step-by-step explanation:

2=76

76/2=38

38x5=190

5 pounds because it takes one pound to make 38 cookies

Answer:

slope is -2/3

Step-by-step explanation:

y = mx+b

m = slope

b = y-intercept

given: y = -2/3x

in this case we don't have a b so make it an automatic 0

now we have y = -2/3x +0

slope is m, so our slope is -2/3

Answer:

The equation has infinite solutions

Step-by-step explanation:

Answer: Infinite solutions

Step-by-step explanation: Just took the quiz

Step-by-step explanation:

A function is an equation that has only one answer for y for every x. A function assigns exactly one output to each input of a specified type. It is common to name a function either f(x) or g(x) instead of y. f(2) means that we should find the value of our function when x equals 2.

Answer:

9

Step-by-step explanation:

17 - |2 - y| × 2

17 - |2 - (-2)| × 2

17 - |2 +2| × 2

17 - |4| × 2

17 - 4 × 2

17 - 8

9

Answer: y=4x-5

Step-by-step explanation:

The slope of y=4x+23 is:4 m=4  

The parallel line needs to have the same slope of 4

Solve it using the "point-slope" equation of a line:   y− y1 = 2(x − x1)

substitute or put in the point (2,3):

y − (3) = 4(x − 2)

y - 3 = 4x - 8      

 put it in slope intercept form y = mx + b  

y  = 4x − 5

130%

Step-by-step explanation:

(299 - 130)/130 × 100%

= 169/130 × 100%

= 169/13 × 10%

= 13 × 10%

= 130%

Answer:

B

Step-by-step explanation:

DE is the line that has two ticks through it - the same as FG

the next line goes through the hypotenuse and it is EG for the first triangle and GE for the second

the last line goes through the line with one tick: GD and EF; the points G and D are at the ends of the first part of the congruence statement. the points E and F are also at the ends of their congruence statements

thus the answer is B

Answer:

C

Step-by-step explanation:

7 5/6 is 7.833333333333333333333

Answer: is this what your looking for

Step-by-step explanation:

The answer is I think now sure 33.2