Please answer ASAP! An explanation is a MUST REQUIREMENT in order to receive points and the Brainliest answer. Thank you.

Answers

Answer 1

Answer: that's it,hope this help.

Answer 2

Answer: First convert everything into an improper fraction.
7 1/2=15/2
4 1/2= 9/2
5 1/8= 41/8
Now do what is in parentheses
2 and 8 share 8 as their LCD
9/2=36/8
36/8-41/8=-5/8
Now divide.
(15/2)/(-5/8)
(15/2)*(-8/5)
15*-8=-120
5*2=10
-120/10
Now simplify
Divide both by 10
-120/10=-12
10/10=1
-12 is your answer!

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Which of the following mapping diagrams does not represent a function?

Answers

Well, from the picture, we can say that 'A' isn't. We don't know about any of the others because we can't see them.

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Write the product using exponents. (−9)⋅(−9)⋅(−9)⋅(−9)⋅(−9)

Answers

Answer:

Step-by-step explanation:

(-9)⁵

(-9) is appearing 5 times

Answer:

-9^5

Step-by-step explanation:

(-9)*(-9)*... is -9^5

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Rewrite the parametric equation by eliminating the parameter x=4t+1 and y=t-3

Answers

Answer:

The equation is x = 4y + 13

Step-by-step explanation:

* Lets talk about the parametric equations

- Parametric equations are a set of equations that express a set

of quantities as explicit functions of a number of independent

variables

- Ex: x = at + b and y = ct + d are parametric equations

- We use them to find relation between the variables x and y

* Lets solve the problem

∵ x = 4t + 1 ⇒ (1)

∵ y = t - 3 ⇒ (2)

- The parameter is t to eliminate it find t in terms of x or y

- We will use equation (2) to find t in terms of y

∵ y = t - 3 ⇒ add 3 to both sides

∴ t = y + 3 ⇒ (3)

- Substitute the value of t in equation (3) in equation (1)

∵ x = 4t + 1

∵ t = y + 3

∴ x = 4(y + 3) + 1 ⇒ open the bracket

∴ x = 4y + 12 + 1 ⇒ add like term

∴ x = 4y + 13

* The equation is x = 4y + 13

What is the coefficient in this expression?
17 + 5a

Answers

the answer is the a next to the 5

The coefficient of the expression is 5 because a coefficient is the number multiplied by the variable.

After the knock game, train A and B both stop at the station. They left at 10:00 pm. Train A leaves every 4 minutes. Train B leaves every 6 minutes. When is the next time train A and B will leave together? Show work plz

Answers

train a:4 8 12
train b:6 12

Is 3y=4x an example of direct variation?

Answers

Answer:

Step-by-step explanation:

Answer:

NO

Step-by-step explanation:

A direct variation is defined as when two numbers change but one is always a multiple of the other or if they always have a constant ratio.