MATHEMATICS MIDDLE SCHOOL

Draw a line with the given slope through the given point.

(3, -2) slope =-3

Answers

Answer 1
Answer: the equation for this is y=-3x+7

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PLEASE HELP FAST!( ANSWER IN YOUR OWN WORDS ) What does it mean to be a good citizen? What is the difference between a Civic Duty and a Civic Responsibility? What is an example of showing good citizenship? Why does good citizenship matter?
At the local animal shelter, there are currently 15 dogs, 12 cats, 3 snakes,and 5 parakeets

Mallorie has $3 in her wallet.If this is 10% of her monthly allowance, What is her monthly allowance?

Answers

her monthly allowance is $30! hope this helped
So its 10% of __ is 3
so we have to divide 3 by .1 because 10% as a decimal is .1(move two decimal places).  

10% of 30 is 3
to check the answer: .1 times 30 is 3

13) -4= -b -1/3b and -23/3= 1/2a + 5/3a

Answers

-4=-1b-(1/3)b

-4=-(4/3)b

-4/-(4/3)=b

b=3

-------------------------------

(1/2)3+(5/3)2

3/6+10/6=13/6

-23/3=13/6a

(-23/3)/(13/6)=a

a=-46/13

A pizza parlor offers thin,thick,and traditional style pizza crust.You can get pepperoni,beef,mushrooms, olives,or peppers. You order a one- topping pizza. How many outcomes are in the sample space

Answers

You need to understand the different kinds of categories in order to solve this problem.

There are:
types of crusts - 3
types of toppings - 5

You multiply these together (3 x 5)

Your answer should be 15

There are 13 chickens and pigs in the barn. There are 40 legsin all (each chicken has two legs and each pig has four legs).
Use substitution to solve the linear system of equations and
determine how many chickens, x, and pigs, y there are.
Express the solution as an ordered pair (x,y).

Answers

Answer:

(6, 7)

Step-by-step explanation:

x+y= 13

2x+4y= 40 ⇒ x+2y = 20 ⇒ 13-y +2y= 20 ⇒ y= 20-13= 7

x= 13-y= 13-7= 6

chickens= 6

pigs= 7

Final answer:

To solve the problem, set up a system of equations using the given information. Solve one equation for a variable and substitute it into the other equation to find the values of the variables. Determine the number of chickens and pigs in the barn. The solution is (6, 7).

Explanation:

To solve this problem, we can set up a system of equations based on the given information. Let x represent the number of chickens and y represent the number of pigs. From the information given, we can write two equations: x + y = 13 (equation 1) and 2x + 4y = 40 (equation 2).
Using substitution, we can solve equation 1 for x and substitute it into equation 2:

Equation 1:

x + y = 13

x = 13 - y

Equation 2:

2(13 - y) + 4y = 40

26 - 2y + 4y = 40

2y = 14

y = 7

Now, substitute the value of y back into equation 1 to find x:

x + 7 = 13

x = 6

Therefore, there are 6 chickens and 7 pigs in the barn, which can be expressed as the ordered pair (6, 7).

Learn more about Solving a system of equations here:

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Find 3/7 of answer plz

Answers

i don't understand what the question is .... but 3/7 is equal to 0.42857142857.

Have a great day :)

A gold coin weigh 20 grams. If the coin contains gold,copper and tin and in the ratio 4:3:1 how much gold is there in the coin ? Explain ???????

Answers

If gold coin weigh 20 grams. If the coin contains gold,copper and tin and in the ratio 4:3:1 then 10gm of gold is present in coin.

What is Ratio?

A ratio is an ordered pair of numbers a and b, written a / b where b does not equal 0.

Given,

A gold coin weigh 20 grams

the coin contains gold, copper and tin and in the ratio 4:3:1

We need to find the amount of gold in the coin.

Now let us add the ratio.

4x+3x+x=20

8x=20

Divide both sides by 8.

x=2.5

The amount of gold in coin is 4x.

4(2.5)=10 gm

Hence, 10 gm of gold is present in 20 grams of coin.

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4 + 3 + 1 = 8
20 ÷ 8 = 2.5

since the ratio is 4:3:1 and gold being 4
4 × 2.5 =

10
10 grams
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