MATHEMATICS MIDDLE SCHOOL

What is the equation of the line that has a slope of 3 and goes through the point (-3,-5)?A.
y = 3x + 4
B.
c.
D.
y= 3x - 14
y= 3x - 4
y=3x + 12

Answers

Answer 1
Answer:

Answer:

A: y = 3x + 4

Step-by-step explanation:

A slope of 3 is given, so the co-efficient of x must be three

If you are going through point (-3, -5), then you must have a starting point.

Adding 3 to the y coordinate for every x value gives us 4.

This means that the equation must be adding 4 to x.

So, the answer is y = 3x + 4, or A.

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An equation and the steps to solve it are shown below:2x − one over four (12x + 4) = 3

Step 1: 2x + 3x + 1 = 3
Step 2: 5x + 1 = 3
Step 3: 5x + 1 − 1 = 3 − 1
Step 4: 5x = 2

In which step was the error made and why?

Step 1, because incorrect signs have been used
Step 2, because the terms have been added incorrectly
Step 3, because a number has been subtracted from both sides of the equation
No error was made

Answers

step 1, 
what i am thinking you're saying is 2x-1/4(12x+4)
so you would distribute the -1/4 to the 12x and the 4. 
therefore making it a negative, not a positive.
so, i think step 1 is wrong.

Answer:

step 1

Step-by-step explanation:

4 brothers share 2 sandwiches equally

Answers

They can each have a half a sandwich.

A 13-ounce package of pistachios costs $5.99. What's the unit rate?

Answers

we know that

A rate is a ratio that compares quantities in different units. A unit rate is a rate where the second quantity is one unit

so

In this problem to find the unit rate

Divide $5.99 by 13\ ounces

unit\ rate=(5.99)/(13)(dollars)/(ounce) \n \n unit\ rate=0.46(dollars)/(ounce)

therefore

the answer is

the unit rate is equal to 0.46(dollars)/(ounce)
The unit rate is $0.46 per ounce because $5.99/13oz=$0.46/oz. 

8 people are equally sharing 12 muffins how many muffins will each person receive

Answers

Total number of muffins = 12 muffins
Total number of people sharing muffin = 8

Muffins each person will receive = Total number of muffins
                                                          ---------------------------------
                                                          People sharing muffins
                                                   
                                                    = 12/8
                                                    = 1 1/2  OR  1.5 muffins

For the following system if you isolated X in the second equation to use the substitution method what expression would you substitute into the first equation? 2x+y= 8
-х – Зу = -12

A. зу + 12
B.-3y + 12
C.зу – 12
D.-3y - 12

Answers

Option A. зу + 12 is the right answer

Step-by-step explanation:

The substitution method consists of finding the value of a variable from one equation and then putting it into another equation to find the value of other variable.

Given equations are:

2x+y=8\n-x-3y=-12

We have to isolate x in the 2nd equation

-x-3y=-12

Multiplying equation by -1

x+3y=12

Subtracting 3y from both sides

x+3y-3y=12+3y\nx=12+3y

Hence,

Option A. зу + 12 is the right answer

Keywords: linear equations, Variables

Learn more about linear equations at:

#LearnwithBrainly

A bag of chips costs $3.79 including tax. Mr. Connor wants to purchase chips for his class and has a $15 budget. Write an inequality to solve for the number of bags of chips Mr. Connor can purchase with his budget.

Answers

15/3.79 =4 thats how many bags can be purchased
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