How to solve this step by step

Answers

Answer 1

Answer: yo has to factor since we assume that
if you have xy=0, x and y=0

7n^2-48n+36=0
trial and error
(7n-6)(n-6)=0

set each to zero
7n-6=0
add 6
7n=6
divide 7
n=6/7

n-6=0
add 6
n=6

n=6/7 or 6

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Which expression gives the x-coordinate of the solution of the system?

Answers

the answer is option b

Factoring the difference of two squares x^2-1

Answers

difference of 2 perfect squres
if yo have
a^2-b^2 that equals (a-b)(a+b)

x^2-1^2=(x-1)(x+1)
tada

(X^2-1^2) (x-1)(x+1) I hope that is good!

Please help if you can!! I would appreciate it alot!People attending a baseball game either supported the home team or the visiting team. If 1144 of the people attending supported the home team and 1456 supported the visiting team, what percentage supported the home team?

Answers

Answer:

44%

Step-by-step explanation:

1144 is 44 percent of 2600

Simultaneous Equations
2x+4y=22
2x+2y=15

Answers

Answer:

x = 4

y = $(7)/(2)$

Step-by-step explanation:

Ummmm

I'm not sure if this is corrrect but this is what I got

So first you solve 2x+4y=22 to find x

and you get x = $-2y+11$

Then you have to subtitute $-2y+11$ for $x$ in $2x+2y=15$

which you then get y= $(7)/(2)$

After you have to subttitute y= $(7)/(2)$ for y in x = $-2y+11$

which you get as x=4

Finally you get the answer as:

x = 4

y = $(7)/(2)$

To convert a measurement, Pete must move the decimal point to the left 4 places. This a shortcut for the operation. which operation is he using? Which power of 10 is involved?

Answers

The operation that Pete is using is the operation of multiplying numbers by decimal numbers and the power of 10 involved is 4

If Pete must move a decimal point to the left in 4 places, then the operation she is using is the operation of multiplying numbers by decimal numbers.

Since the movement is to the left in 4 places, the power of 10 involves will be a 4

For example,

if we are to convert 0.56 say to scientific notation to the power of 4. We will need to move the decimal point to the left 4 times to have 0.000056 * 10^4

Hence the operation that Pete is using is the operation of multiplying numbers by decimal numbers and the power of 10 involved is 4

Learn more here: brainly.com/question/16236436

The moving of decimal to the left is a shortcut to the operation of multiplying number by decimal numbers. So the power of 10 that is involved in converting the measurements of pete is -4, so he needs to multiply the measurement by 10^-4 to convert it.

________ defines how much the portion is of the base

Answers

The rate defines how much the portion is of the base.

Answer:

The rate defines how much the portion is of the base.

Step-by-step explanation:

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