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3 years ago

10

True or false. If a function uses variables other than x and y for its input and output variables, you take the original equatio

n and solver for the input variable to find the inverse.

1 answer:

IrinaK [193]3 years ago

6 0

Answer: True

Step-by-step explanation: Hope this helps

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HELP!!!! What is-15=(3x-10)-5x

omeli [17]

Answer:

<h2>x = 2.5</h2>

Step-by-step explanation:

$-15=(3x-10)-5x\\\\-15=3x-10-5x\qquad\text{combine like terms}\\\\-15=(3x-5x)-10\\\\-15=-2x-10\qquad\text{add 10 to both sides}\\\\-15+10=-2x-10+10\\\\-5=-2x\qquad\text{divide both sides by (-2)}\\\\\dfrac{-5}{-5}=\dfrac{-2x}{-2}\\\\2.5=x\to x=2.5$

3 0

3 years ago

Read 2 more answers

Solve the Inequality for x<br> x/2+3/2<5/2

charle [14.2K]

Answer:

x<2

Step-by-step explanation:

I didnt feel like typing it out but the explanation is in the picture hope this helps :)

7 0

3 years ago

Middle School teaches 6th, 7th, and 8th grade classes. The sixth grade has 318 students, the 7th has 286 students, and the 8th h

Ierofanga [76]

Answer:

$3185

Step-by-step explanation:

Multiply the number of grade 6 students by the money needed ($3.50) and you get 318x3.50=1113

Multiply the number of grade 7 students by the money needed ($3.50) and you get 286x3.50=1001

Multiply the number of grade 8 students by the money needed ($3.50) and you get 306x3.50=1071

Add all the total amounts together and you get $3185

8 0

4 years ago

8 is 32 times as many as 4

Ber [7]

What’s the question on this??? I’m confused. Please lmk so I can help you get the right answers :)

6 0

3 years ago

(2.2.5) In horse racing, one can make a trifecta bet by specifying which horse will come in first, which will come in second, an

DaniilM [7]

Answer:

56 ways.

Step-by-step explanation:

This question is solved by using combinations and permutations chapters in the math book.

To put it simply, we need to find the number of 3 horse combinations we can make from 8 horses. This requires the combinations formula:

$C(n,r)=\frac{n!}{r!(n-r)!}$

here n is the total number of objects to choose from, and r is the number of objects we require in the combination or group.

Since there are 8 horses, n= 8

Since we need to choose only 3 of them, and order does not matter, r= 3

Solving the equation above using these inputs gives us 56 unique ways we can choose the three winners.

7 0

3 years ago