MATHEMATICS MIDDLE SCHOOL

Pls help need it for tommorow

Answers

Answer 1

Answer:

Step-by-step explanation:

$(3)/(10 ) = .3$

Answer 2

Answer:

Answer:

0.3? because it's one 0 and so you move it once, to the left

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What is the domain and range of each function?1. x- 3,5,7,8,11 y- 6,7,7,9,14

2. x- -3, -1, 2, 5, 7 y- 9, 5, 4, -5, -7

Answers

Answer:

1. Domain: (3, 5, 7, 8, 11)

Range: ( 6, 7, 9, 14)

2. Domain: (-3, -1, 2, 5, 7)

Range: (-7, -5, -4, 5, 9)

Step-by-step explanation:

The domain is the set of all x values in the function. The range is the set of all y values in the function. It is written in parenthesis from least to greatest. Do not repeat values even if the function has them more than once.

1. Domain: (3, 5, 7, 8, 11)

Range: ( 6, 7, 9, 14)

2. Domain: (-3, -1, 2, 5, 7)

Range: (-7, -5, -4, 5, 9)

What is the product of -1 3/4 and 2 4/5 expressed as a mixed number

Answers

-2 3/5 would be the answer to the problem

Cell phone plan A cost $70 per month and comes with a free $500 phone. cell phone plan B costs $50 per month but does not come with the phone. If you buy the $500 phone and choose plan B, how many months is it until your cost is the same as plan A?

Answers

Answer: near 11 months

Step-by-step explanation:

sorry I just in 7th grade

two parallel lines are graphed on a coordinate plane.how many of the lines could represent proportional relationship?Explain.

Answers

Solution:

You need minimum of two lines which are parallel or coincident to represent proportional relationship.

Suppose two lines in one dimensional plane is Coincident.These lines are represented by a and b. Then to represent proportional relationship between them ,we can write it as follows

a = K b

or, b= Ta, where K and T are proportionality constant.

→→Line in two dimensional coordinate plane, which passes through origin or are Coincident, represents proportional relationship.

1. 2 x + 3 y= 5

2. 4 x + 6 y =10

Line 2 = 2 × Line 1

2. y= k x is equation of any line passing through origin, where k is constant of proportionality between x coordinate and y coordinate.

It's not necessary that either one represents a proportional
relationship. But if either one does, then the other one doesn't.
They can't both represent such a relationship.

The graph of a proportional relationship must go through
the origin. If one of a pair of parallel lines goes through
the origin, then the other one doesn't. (If two parallel lines
both went through the origin, then they would both be the
same line.)

Explain how to find which is greater: 1/4 of 12 or 1/3 of 12.

Answers

we have 12 as a common value of both sides; so only check 1/4 and 1/3; 1/4 is smaller than 1/3, obviously (1 part divided into 4 parts vs. 1 part divided into 3 parts); when multiplied, it does not reverse the value
therefore, 1/4 of 12 < 1/3 of 12

Answer:

Step-by-step explanation:

Every one i can help you

Sophie has 5 pieces of string that are 4 yards each. She uses 3 pieces that are each 3 feet long. How much string does Sophie have left?2 feet

2 yards

31 feet

51 feet