MATHEMATICS MIDDLE SCHOOL

How many miles would it take for the two plans to be the same.

Answers

Answer 1

Answer:

Let's assume

total miles is x

case-1:

initial fee is $ 65

additional rate is $0.20 per mile

so, the total cost = initial fee + x* additional rate

$C=65+0.20x$

case-2:

initial fee is $ 0

additional rate is $0.70 per mile

so, the total cost = initial fee + x* additional rate

$C=0+0.70x$

Since, both costs are same

so, we can set them equal

and we get

$65+0.20x=0+0.70x$

now, we can solve for x

$65=0.70x-0.20$

$65=0.50x$

$x=130$

so, it would take 130 miles to drive for the two plans to cost the same .......Answer

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Find the value of x for which t ll m

A.59
B.134
C.144
D.54

Answers

A. 59

The step by step explanation is above.

Show all your work x+14=4

Answers

to solve, you need to get the variable by itself. Do this by subtracting 14 from both sides.

X +(14 - 14) = 4 - 14

Solve this now, so it is

X+ (0) = -10

X= -10

The answer is -10

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take 14 to the other side to isolate x

x + 14 - (14) = 4 - (14)

x = -10

If LMN=XYZ, which congruences are true by CPCTC? Check all that apply

Answers

Answer:

A) <Z = <N

C) ML = YX

E) <X = <L

Step-by-step explanation:

ΔLMN ≅ ΔXYZ

<L = <X

<M = <Y

<N = <Z

LM = XY

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so answers:

A) <Z = <N

C) ML = YX

E) <X = <L

Multiply (2.4 ⋅ 1014) ⋅ (4 ⋅ 107). Express the answer in scientific notation

Answers

You multiply 2.4 with 4 to get 9.6. Then 10^14 times 10^7 and you should get 10^21. Since the number 9.6 is between 1 and 10, you don't do anything with the exponent. So the scientific notation would be 9.6 x 10^21. :)

9.6*10^21 is your answer

What is 3.75 in fraction form

Answers

3.75 in fraction form is 3 3/4 or 15/4

3.75
so it would be 3 and then you turn .75 into a fraction which would be 3/4

answer: 3 3/4

If you have 28 apples, 20 spoiled and you gave away 2,. how much is left

Answers

Assuming you threw away the 20 that spoiled, you'd have 6 left, but you know, you could have kept them, it's very possible that you have 26 left.

answer=6
28-20= 8
8-2=6
so 6 apples are left

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