Which one?
A. B. C. or D?​

Which One? A. B. C. Or D?

Answers

Answer 1
The answer is letter B
Answer 2

Answer:

B

Step-by-step explanation:

(7m+5m^3)-3m-4m^3

we simplify to get

4m+m^3 which can be rearranged

m^3+4m


Related Questions

Which describes the reflection of the figure?
A) reflection over the x-axis
B) reflection over the y-axis
C) reflection over the line y=3
D) reflection over the line y=-3

Answers

Answer:

reflection over the x axis

Step-by-step explanation:

always remember reflection over x-axis values of y will change reflection over y axis the values of x will change

this is number 1 I have 2 more question to this problem. I i really need this answer because I kidda failing class but if somebody help me it will make my day ​

Answers

Answer:

I think that's it :)

Step-by-step explanation:

cause 2.5 x 2 = 5

and then 3 x 2 = 6

If y = -5 when x = 2, find y when x = 8. *

Answers

Answer:

y=1

Step-by-step explanation:

you add how many you went to one side

Will Give Brainliest if Correct

Answers

Answer:

(a) 0

(b) -3/26

Step-by-step explanation:

(a)

We essentially plug 1 in for x and 2 in for y.

Our expression is [tex]\frac{2x-y}{y^2+1}[/tex], so making the correct substitutions yields:

[tex]\frac{2x-y}{y^2+1}=\frac{2*1-2}{2^2+1}=\frac{2-2}{4+1} =\frac{0}{5} =0[/tex]

So, the answer for part (a) is 0.

(b)

Again, we're now plugging in 1 for x and 5 for y:

[tex]\frac{2x-y}{y^2+1}=\frac{2*1-5}{5^2+1}=\frac{2-5}{25+1} =\frac{-3}{26} =-\frac{3}{26}[/tex]

So, the answer for part (b) is -3/26.

Evaluating Rational Expressions

Step-by-step explanation:

So we have the rational expression [tex]\frac{2x -y}{y^{2} +1}\\[/tex]. All we have to do is to just plug the given values for what x and y are.

Solution of a:

[tex]\frac{2x -y}{y^{2} +1}\\ \frac{2(1) -(2)}{(2)^{2} +1} \\ \frac{2 -(2)}{4+1} \\ \frac{0}{5} \\ 0[/tex]

Answer of a:

[tex]0[/tex]

Solution of b:

[tex]\frac{2x -y}{y^{2} +1}\\ \frac{2(1) -(5)}{(5)^{2} +1} \\ \frac{2 -(5)}{25+1} \\ \frac{-3}{26} \\ -\frac{3}{26}[/tex]

Answer of b:

[tex]-\frac{3}{26}\\[/tex]

Amanda babysits and Petra does yard work on weekends. The graph relating Amanda’s earnings to the number of hours she babysits passes through the points (0,0) and (4,24). The table below relates petra’s earnings to the number of hours she does yard work

Answers

Answer:

in 4 hrs she earned $24. So each hour she is paid $6

Step-by-step explanation:

х+5y = 3
3х - 2y = -8

Answers

X equals -2 and y equals 1
Solve for X: x+5y=3

Subtract 5y from both sides: x=3−5y

Substitute
x=3−5y into 3x−2y=−8

Start with the original equation: 3x−2y=−8

Let x=3−5y: 3(3−5y)−2y=−8

Simplify: 9−17y=−8

Solve for y in 9−17y=−8: y=1

Substitute y=1 into , x=3−5y : x=-2


X=-2
Y=1

Which part of the figure shows evidence of the use of a compass?

Answers

Answer:

Whichever line is curved like a semi-circle, arch, or a full circle.

Step-by-step explanation:

A compass is a tool used to draw curved lines.

Select the expression that is equivalent to 4x2 – 25.
Help

Answers

Answer:

Factor form: (2x-5)(2x+5)

If you olny simplify: 8x-25

Step-by-step explanation:

The answer is simple it goes into the negatives so 4x2 is 8 and -25 goes into the negatives so the answer would be -17

45 divided by 8827 please answer soon!!!

Answers

196 i think ??? That shoudl be it

in January Mr Timms class read 20 books in February his class read 15 books
what is the percent increase or decrease in the number of books they read

Answers

Answer:

5?

Step-by-step explanation:

The machine runs 10 hours a day for 5 days a week. How many gallons of yogurt are processed each week?

Answers

Answer:

30 gallons

Step-by-step explanation:

if it fills up 1600 tubs an hour then the answer should be 30 gallons.

The answer is gonna be 30 gallons

i mark as brainliest ​

Answers

Answer:

-6.75

Step-by-step explanation:

Answer:

The answer is D. -7.25

Help me please with this question ???

Answers

Answer:

D. 1

Step-by-step explanation:

If you take any two points (x, y), the slope is found by taking the difference of the y-coordinates and dividing that by the difference of the x-coordinates.

Here, we actually are given 4 points of the form (x, y), so we can just arbitrarily choose any two. I'll just go with the first two: (-2, 0) and (1, 3).

The difference of the y-coordinates is:

3 - 0 = 3

The difference of the x-coordinates is:

1 - (-2) = 3

Dividing these gives:

3/3 = 1

The slope is thus 1, and the answer is D.

~ an aesthetics lover

11.
19.4
x 5.37

Estimate. I don’t need the answer immediately.

Answers

Answer:

Approximately 95

Step-by-step explanation:

19 x 5 = 95

You decide to take up a life of crime and plan to break into a bank. You and your buddies have to decide which bank to choose from based on their locked door. One bank has a lock that requires four letters (repetition is not allowed) and the other bank has a lock that requires 6 digits (repetition is allowed). You want to break into the bank with the door that gives you the higher probability of breaking the code. Of those two options, which one has the greater probability of you guessing the code?

Answers

Answer:

The first bank with the four letter code has the grater probability of me guessing the code.

Step-by-step explanation:

To break the code for the first bank which uses four letters, since there are 26 letters in the alphabet, and require a four letter code, the first letter can be any of the 26 letters. Since one letter has been taken, we are left with 25 letters for the second position, 24 for the third position and 24 for the fourth position.

So, the total number of ways of selecting the 4 letter code without repetition is ²⁶P₄ = 26 × 25 × 24 × 23 = 358800

Since we have only 1 correct code, this is our required outcome. So,  the probability of breaking the code is P = required outcome/total outcome = 1/358800 = 2.787 × 10⁻⁶

To break the code for the second bank which uses 6 digits with repetition, since there are 10 digits, and we require a 6 digit code, each digit can be filled with 10 digits each. Since there is repetition, the total number of ways we can select the 6 digits is (¹⁰P₁)⁶ = 10 × 10 × 10 × 10 × 10 × 10 = 10⁶.

Since there is going to be only 1 correct code, the number of ways of selecting the correct code is 1.

The probability P' of cracking the second bank code is P' = required outcome/total outcome = 1/10⁶ = 1 × 10⁻⁶

Since P = 2.787 × 10⁻⁶ > P' =  1 × 10⁻⁶, the first bank with the four letter code has the grater probability of me guessing the code.

HELP ASAP
Solve the equation for k:
p= k/K + t

Answers

Answer:

k = p(K+t)

Step-by-step explanation:

p = k/K+t // × (K+t)

p(K+t) = k

Answer:

k = K p - K t

Step-by-step explanation:

Solve for k:

p = k/K + t

p = k/K + t is equivalent to k/K + t = p:

k/K + t = p

Subtract t from both sides:

k/K = -t + p

Multiply both sides by K:

Answer: k = K p - K t

On her first science test, Whitney scored a 92%. On the second test, she scored an 80%. What is the approximate percent of decrease in her score?

Answers

Answer:

Step-by-step explanation:

Decrease = 92 - 80 = 12

Percent of decrease in her score = [tex]\frac{12}{92}*100\\[/tex]

                                                       = [tex]\frac{1200}{92}\\[/tex]

                                                       = 13.04

                                                      = 13 %

Answer:

it would be a 12 percent

Step-by-step explanation:

Jay bought a painting on sale for 45% off the original price, for $27. What was the price of the painting before the sale?

Answers

Answer:

 0.55x = $27

Step-by-step explanation:

Let the price of the painting = x

x - 45% of x = $27

    x - 0.45x = $27

         0.55x = $27

Divide both sides by 0.55

 0.55x/0.55 = $27/0.55

                  x = $49.09

y=2x-3 in standard form. I’ll give brainliest if you answer it right. But hurry. It’s for my missing assignment.

Answers

Answer:

It would be 2x-y=3.

Estimate this by rounding each number to 1 significant figure
a. 326 X 4.89​

Answers

Step 1: 326 x 4.89

Step 2: 1594.1400

Step 3: 2000

Answer: 2000

How many significant digits should the product of 11,435 meters and 19.35 meters have?

Answers

Answer:

It has 8 significant figures

Step-by-step explanation:

Product of 11,435 meters and 19.35 meters

Product means multiplication(×)

= 11,435 × 19.35

= 221,267.25

Product of 11,435 meters and 19.35 meters = 221,267.25

It has 8 significant figures

Significant figures are non-zero digits or trapped zeros

You started the day with a certain amount of money. You lost half of it. Then you lost an additional $100. Afterwards, you were given $5. Then you found $30. Afterwards, you lost half of your money again. You then lost another $8. You then gave away $7. You ended the day with $30. How much did you start with?​

Answers

Answer:

$310

Step-by-step explanation:

starting backwards:

30+7=3737+8=4545*2=9090-30=6060-5=5555+100=155155*2=310Answer is $310

Answer:

$310

Step-by-step explanation:

how many miles can the car ride drive on 11 gallons of fuel

Answers

Answer:

220

Step-by-step explanation:

There are about 20 miles worth of gas per gallon so 20 x 11 = 220

h(2)=-2²+6(2) the question has to be 20 characters long so I'm just adding this​

Answers

The answer is 16 good luck

what are -2 times -7?
what is -2+-7?

Answers

-2(-7)= 14 a negative times a negative = a postitve

-2+(-7)= -9
14 and -9 ! just did these questions too:)

Which graph shows the solution to the inequality −2(2x+3)≤26?
pls help

Answers

Answer:

the answer is c

Step-by-step explanation:

For every 8ft of cord he can make 3 chains how much does jairon need to
make 12 chains

Answers

Answer:

24 ft of cord

Step-by-step explanation:

8ft = 3 chains

16 ft = 6 chains

24 ft = 12 chains

OR

8 x 3 =24

$30 for 2 1/2 hours of work

Answers

Answer:

$75

Step-by-step explanation:

30*2.5 = 75

This graph shows the solution to which inequality???

Answers

Answer:

B. y > (4/3)x - 2

Step-by-step explanation:

The dotted line means that the answer WILL NOT include the line itself, just the space above it. Since the shaded area is above the line, it must be greater than the line.

julie is having a nail salon day.She needs to spend $5 for nail polish, $3 for nail polish remover, and $2 for cotton balls.if she does 5 of her friends' nails for $10 each, what will her profit be?​

Answers

Answer:

Her profit will be $40

Step-by-step explanation:

Answer:

Her profit would be $50

Step-by-step explanation:

The nail polish is $5, Remover is $3, Cotton balls are $2, That all adds up to ten.

And She has 5 of her friends so Ur multiplying 10 by 5

$10 times 5 equals to $50

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