Please help 30 points plus brainlyist who does firstDetermine which expressions can be simplified further, and which cannot. Sort the expressions into the correct
category
2x + 3y
Can Be Simplified
Cannot Be Simplified
x + x
4r +
7y + 1
4y + 4x
y + 2y

Answers

Answer 1
Answer:

Answer:

can - y +2y

9x+6x

4x+x

can't 4y+4x

7y+1

2x+3y

Answer 2
Answer:

Answer:

Step-by-step explanation:

expresion can be simplified is they have like terms such as

x+x=2x

y+2y=3y

expresions can NOT be simplified if they have difrerent variables or just one number suchh as

2x+3y

7y+1

4y+4x

I do not know what is 4r+


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How do you write 1.8 × 10^1 in standard form?

Answers

Answer:

probable as

1.8 × 10 = 18

brainliestig?

The orange shape is a dilation of the black shape. What is the scale factor of the dilation?1/10 1/2 10 2

Answers

Answer:

Scale = ¼

Step-by-step explanation:

See attachment for complete question.

In the attached, we have.

Width = 4 units. ----- Orange

Width = 16 units ------- Black

Required

Determine the scale of dilation

The scale of dilation can be calculated as:

Scale = Width(orange)/Width (black)

Scale = 4/16

Scale = ¼

Hence, the scale of dilation is ¼

What does the letter U stand for 25 > u-7

Answers

Answer:

Solve for  u  by simplifying both sides of the inequality, then isolating the variable.

Inequality Form:

u<32

Interval Notation:

(−∞,32)

Please help me out!!!

Answers

Answer:

Shifts 4 units down ---> g(x)=2x-10

Stretches f(x) by a factor of 4 away from x-axis--->g(x)=8x-6

Shifts f(x) 4 units right---> g(x)=2x-14

Compress f(x) by a factor of 1/4 toward the y-axis ---> g(x)=1/2x-3/2

Step-by-step explanation:

We are given f(x)=2x-6

We need to match the transformations.

1) shifts f(x) 4 units down.

When function f(x) shifts k units down the new function becomes f(x)-k

In our case

g(x)=2x-6-4\ng(x)=2x-10

So, Shifts 4 units down ---> g(x)=2x-10

2) Stretches f(x) by a factor of 4 away from x-axis

When function f(x) is stretched by a factor of b away from x-axis the new function becomes f(bx)

g(x)=2(4x)-6\ng(x)=8x-6

So, Stretches f(x) by a factor of 4 away from x-axis--->g(x)=8x-6

3) Shifts f(x) 4 units right

When function f(x) shifts h units right the new function becomes f(x-h)

g(x)=2(x-4)-6\ng(x)=2x-8-6\ng(x)=2x-14

So,  Shifts f(x) 4 units right---> g(x)=2x-14

4) Compress f(x) by a factor of 1/4 toward the y-axis

When function f(x) is compressed by h factor of a toward the y-axis the new function becomes h.f(x)

g(x)=1/4(2x-6)\ng(x)=1/2x-3/2

Compress f(x) by a factor of 1/4 toward the y-axis ---> g(x)=1/2x-3/2

(Option Not given)

(If we compress f(x) by a factor of 4 towards y-axis we get g(x)=8x-24)

What is the answer to this equation?? (-3)^2=( )( )=

Answers

Answer: 9

I did (-3)^2= cause I'm not sure if you meant to put ( ) ( ) in it. If you did well, sorry. I got (-3)^2=9.

A study conducted at a certain college shows that 54% of the school's graduates move to a different state after graduating. Find the probability that among 7 randomly selected graduates, at least one moves to a different state after graduating.

Answers

Answer:

99.56% probability that among 7 randomly selected graduates, at least one moves to a different state after graduating.

Step-by-step explanation:

For each graduate, there are only two possible outcomes. Either they move to a different state, or they do not. The probability of a graduate moving to a different state is independent of other graduates. So we use the binomial probability distribution to solve this question.

Binomial probability distribution

The binomial probability is the probability of exactly x successes on n repeated trials, and X can only have two outcomes.

P(X = x) = C_(n,x).p^(x).(1-p)^(n-x)

In which C_(n,x) is the number of different combinations of x objects from a set of n elements, given by the following formula.

C_(n,x) = (n!)/(x!(n-x)!)

And p is the probability of X happening.

54% of the school's graduates move to a different state after graduating.

This means that p = 0.54

7 randomly selected graduates

This means that n = 7

Find the probability that among 7 randomly selected graduates, at least one moves to a different state after graduating.

Either none moves, or at least one does. The sum of the probabilities of these events is 1. So

P(X = 0) + P(X \geq 1) = 1

We want P(X \geq 1). Then

P(X \geq 1) = 1 - P(X = 0)

In which

P(X = x) = C_(n,x).p^(x).(1-p)^(n-x)

P(X = 0) = C_(7,0).(0.54)^(0).(0.46)^(7) = 0.0044

P(X \geq 1) = 1 - P(X = 0) = 1 - 0.0044 = 0.9956

99.56% probability that among 7 randomly selected graduates, at least one moves to a different state after graduating.