MATHEMATICS MIDDLE SCHOOL

3.
+ 4(4x - 3) = 4(6x + 4) +4

Answers

Answer 1
Answer:

Answer: -4

Step-by-step explanation:
Answer 2
Answer:

Answer:

x= -29/8 or -3.625

Step-by-step explanation:

that is the answer

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Use rounding or compatible numbers to estimate the sum 302+412

2x(8+7)-6/2x(9-3) evaluate

Answers

ok so assuming that the 'x' means multiply and not 'x' as in placeolder we do

PEMDAS
parenthaseees
exponents
multipilcation or division
additon or subtraction

parethasees simplify first
(8+7)=15


(9-3)=6

now we have
2x(15)-6/2x(6)
multiply
2x15=30

6/2x6=36/2=18

now we have
30-18
12

answer is 12
2x(8+7)-6/2x(9-3)
2x(15)-6/2x(6)
30x-6/2x(6)
30x-3x(6)
30x-18x
12x

A line passes through (6,3),(8,4),and (n,-2). Find the value of n.
please help :)

Answers

You would do 8-6=2 4-3=1

1/2 is your slope

1/2(6)=3
3-3=0

Your equation would be y=1/2x

So your n value is -4

Drew purchased 3 books each with a different price, for $24. The cost of each bookj was a multiple of 4. What could be the prices of the 3 books?

Answers

multiple of 4 is: 4,8,12,16,20,24......
pick three number that is multiple of 4 and add them up will be 24
4 + 8 + 12 = 24
the price of three books is $8, $4, and $12.

A van and a bicycle move towards each other. The speed of the van is 80 km per hour, and the speed of the bike is 20 km per hour. How much closer to each other will they become in one hour?

Answers

The answer is 100km 80km plus 20km equals 100km

Answer:

100km closer

Step-by-step explanation:

hoped that helped!

Plz help with 1 through 6 show ur work

Answers

1. 5×10×7= 350
2. 12×6×8=576
3. 4.2×3.5×2=29.4
4. 1.1×1.5×2.6=4.29
5.4×3×5= 60
6. 4.1×2.6×5.1=47.97

Write a division equation to represent the repeated subtraction

Answers

Divison: 45➗15= 3
Subtraction: 45-15= 30
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