MATHEMATICS MIDDLE SCHOOL

70 meters increased by 80%

Answers

Answer 1
Answer: I think the answer is 126;

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MIDDLE SCHOOL

Which of the following is(are) the solution(s) to. |2x-1|= 10 ?

Answers

Answer:

Either  x=11/2  or x=-9/2

Step-by-step explanation:

Answer:

|2(5.5)|-1=10

Step-by-step explanation:

MIDDLE SCHOOL

Which is the graph of y= x-5-1?

Answers

Answer:

graph D

Step-by-step explanation:

The D graph.

Source: Just trust me bro

MIDDLE SCHOOL

Use the function f(x) = 15 - x to answer the question. Evaluate. (f · f)(2)

A) 0
B) 2
C) 4
D) 13

Answers

Answer:

B

Step-by-step explanation:

To evaluate (f ○ f)(2) substitute x = 2 into f(x) and evaluate. Then substitute this value into f(x)

f(2) = 15 - 2 = 13, then

f(13) = 15 - 13 = 2

Hence (f ○ f)(2) = 2

MIDDLE SCHOOL

How do you solve using the substitution method for both x and y
x=5
2x + y = 10

Answers

Answer:457444,5455

Step-by-step explanation:yjhjhfsetyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyy

You turn your standard form equation into a y= equation and you get y=-2x+10 then you plug in the x value that you do have so y=-2(5)+10 which gives you y=0
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