Mathematics Middle School

Solve this system of equations.

Be sure to show me your work and steps in solving the problem, demonstrating to me your full understanding of the solution and problem.

3x + 4y = 36

y = -1/2 x + 8

Answers

Answer 1

Answer:

for the first one its: y=-3/4x+9

for the second one its: already done

Step-by-step explanation:

Answer 2
X=4 Y=6 (4,6)

It’s just the answer :)

Related Questions

Help with my math i will mark brainliest

Answers

Answer:

D

Step-by-step explanation:

step 1: find the slope

slope is 2/-4 = -1/2

then plug in the value for x to y, you get +1 for the y intercept

then it becomes y=-1/2x + 1

I hope this answer helped, and if it was correct, please mark this as brainliest! Thank you!

Answer:

[tex]y=-\frac{1}{2} x+1[/tex]

Step-by-step explanation:

To find the slope, you divide the difference of the y-coordinates of 2 points on a line by the difference of the x-coordinates of those same 2 points

SO

[tex]\frac{y_{1}- y_{2}}{x_{1}- x_{2}} \\\\=\frac{2-0}{-2-2}[/tex]

[tex]=-\frac{1}{2}[/tex] this is your slope

so now your equation is [tex]y=-\frac{1}{2} x[/tex] but it isnt done yet if we plug in one of the points we will find the y- intercept.

SO we find our y-intercept is 1 so that makes our equation [tex]y=-\frac{1}{2} x+1[/tex]

Hope this helps!

Pls make brainliest :)

A three-pack of sponges costs $3.21. What is the cost per sponge

Answers

Answer:

0.93

Step-by-step explanation:

Plz help! (I will give brainliest)
It took a boat 4 hours to travel downstream 120 miles. Upstream, the same trip took 6 hours. Find the rate of the current and the speed of the boat in still water.

Answers

Answer:

25 mph, 5 mph

Step-by-step explanation:

Speed of the boat = xSpeed of the current = y

Travel downstream, speed is:

x + y = 120/4 = 30

Travel upstream, speed is:

x - y = 120/6 = 20

Add up the equations:

x + y + x - y = 30 + 202x = 50x = 25

Find y:

y = 25 - 20 = 5

Speed of the boat is 25 mph

Speed of the current is 5 mph

The area of the square and rectangle are equal. If the side of the square is 50 cm, and the breadth (width) of the rectangle is 10 cm, find the length and perimeter of the rectangle.

Answers

Answer

The length would be 250cm and the perimeter would be 520cm

Explanation

So if one side of the square is 50 all are, therefore 50 x 50 is 2,500 and the area of square and rectangle are equal so you would divide 2500 by 10 and get 250.

That’s all make me brainliest tho
I just need to answer this to ask a question

so i have to do integer math and Im not really good at it

Answers

Answer:

-25, 22, -65, 0

Step-by-step explanation:

Howdy, I need help with an algebra question, thanks! (I'll give you brainlist too)

Answers

Answer:

I got -16w^5/v^3 as well

Step-by-step explanation:

Answer:

- 16w^5/v^3

Step-by-step explanation:

Factor the following expression using the GCF: 2dr – 4r.

r(2d – 4)
2r(d – 2)
2(dr – 2r)
2r(d – 1)

Answers

2r(d - 2)
factor out 2 r from the expression
Second answer because 2r is the greatest factor that you can take of both 2dr and 4r

An air plane travels at a constant speed of 575 miles per hour. Write and equation that can be used to detrmine the number of miles, m the airplane will travel in hours.

Answers

miles divided by hours and there is your answer

HELPPPPPPPPPPPPPPPP ASAP I AM DEAD

Answers

The last one is you’re anwser 16p 3 slices a piece

Answer:

(from top to bottom) Options 2 & 5

Step-by-step explanation:

Option 1: "...each player will get 4 slices of pizza, with 2 slices left over"

48/10 = 4.8

'4.8' meaning 4 pizza slices for each player w/ 8 slices left over.

THIS OPTION IS INCORRECT

Option 2: "...each player will get 4 slices of pizza, with no slices left over"

48/12 = 4

'4' meaning 4 pizza slices for each player w/ no left overs

THIS OPTION IS CORRECT

Option 3: "...each player will get 3 slices of pizza, with no slices left over."

48/15 = 3.2

'3.2' meaning 3 pizza slices for each player w/ 2 slices left over.

THIS OPTION IS INCORRECT

Option 4: "...each player will get 3 slices of pizza, with 3 slices left over."

48/15 = 3.2

'3.2' meaning 3 pizza slices for each player w/ 2 slices left over.

THIS OPTION IS INCORRECT

Option 5: "...each player will get 3 slices of pizza, with no slices left over."

48/16 = 3

'3' meaning 3 pizza slices for each player w/ no left overs.

THIS OPTION IS CORRECT

Hope this helped ^^

K12 students help please!!!!!!!!!!!!

Answers

I’m pretty sure it’s 4 miles!! But I’m not sure

help me pls nnnnnnnnnnhkinnjiun

Answers

Answer:

2. Jada is correct

3.- 4 Celsius

Step-by-step explanation:

2. Jada is correct because it is between -1 and -2 and the halfway point between them is -1.5

3.if it 12 degrees cooler than Arizona we are going to be sultra ting and 8-12 is negative 4

2.) -1.5 the thermometer is reading up to down, not down to up.
3.) -4° C

one fish, two fish, red fish... got eaten by a bigger fish! someone has been eating all the little fish in the pond! At the beginning of the day there were 90 little fish in the pond. At the end of the day there were 52 little fish in the pond. Find the percent decrease from the beginning of the day to the end of the day. Round to the nearest percent.
A).40% C).42%
B).41% D).43

Answers

Answer:

i think its C but idrk

Step-by-step explanation:

I believe it’s c) 42% but I need someone to double check it

Plz help asap brainiest to who answers first

Answers

Answer:

Step-by-step explanation:

it is correct

PLEASE HELP !!!!!!!!!! I'LL GIVE BRAINLIST!!!!!!

Answers

I belive the answer is 56

Answer:  56 sorry im not so sure

Please I need really need help

Answers

Answer:

c

Step-by-step explanation:

Answer:

c

Step-by-step explanation:

simple

can you guys please help me

Answers

Answer:

16

Step-by-step explanation:

6 to the power of 2 is 36 -4 = 32 divided by 2 is 16 and there is your answer 16

I’m pretty sure it’s 16!!!

Help with my math i will mark brainliest

Answers

The answer is $15 more per T-shirt

The answer should be 15$ per shirt

A heron flies in a straight path for 5 min. at a constant rate of 2,000 ft. per min., and then flies another 6 min. at a constant rate of 3,000 ft. per min. How far does the heron fly during those 11 min.?

A. 22,000 ft.
B. 24,000 ft.
C. 26,000 ft.
D. 28,000 ft.

Answers

I believe it is ‘D’. 5 x 2000 = 10,000. 6x 3000 = 18,000. 18,000 + 10,000 = 28,000.
D

Explanation: 5 x 2000 = 10000
3000 x 6 = 18000
18000+10000= 28000

determine the value of x so that the square and the rectangle is shown to have equal perimeters.
ASAP!!!!!!!!!
EXPLANATION TOO (:

Answers

oh that’s on safari i just looked it up lol. go check it out. sorry if it’s not there for u. but i didn’t feel like typing that much
Kidd don’t cmlzx f necks x

Given the speeds of each runner below, determine who runs the fastest.

Stephanie runs 15 feet per second.
Debbie runs 278 feet in 23 seconds.
Noah runs 1 mile in 551 seconds.
Frank runs 792 feet in 1 minute.

Answers

Answer:The fastest is Debbie because her speed is greater than the other runners.

Step-by-step explanation: Hope this helped

Fastest is DEBBIE so yea:)

ooooooooooooooooooooooooooooooooo

Answers

Answer:

The answer is c. 6

Step-by-step explanation:

8+40=48

2x2x2=8

48/8=6

Answer:

6

Step-by-step explanation:

(x+40)/2 to the 3rd power x=8

(8+40)/8 get the other 8 by multiplying 2x2x2

48/8=6

Please help with math! Giving a thanks

Answers

Answer:

The Answer is 19

Answer:

9.5

Step-by-step explanation:

43.8/2=21.9

21.9-12.4=9.5

Plz answer fast!

Answers:
A:50
B:45
C:70
D:75

Answers

a: 50 people sold at the bake sale

Answer:

100?

Step-by-step explanation:

bc there's 100%

(16(t^4) (k^12))^(0.25)

Answers

Answer:

[tex]2tk^{3}[/tex] is your answer

I hope this helped :)

I wll give Brainliest

Answers

Answer:

7/4//6/21 (probably)

Step-by-step explanation:

pls correct me

and probably dont try this answer

what is the point-slope form of the line that has a slope of -4 and passes through Point -3, 1 ?
A y-(-3)= -4(x-1)
B y-1= -4 [x -(-3)]
C -1-y1 = -4 (-3-x1)
D 3-y1 = -4(1-x1)

Answers

y-1=-4(x+3)
So B is the correct answer. Just keep in mind that the original formula is y-y1=m(x-x1). With that formula, you can substitute any given information. I hope this helps!

Find the total cost of an item that costs $10, on sale for 30% off, with a tax of 8%.

Answers

$7.56 hope this helps

You roll a number cube 20 times. Which scenario is least likely?

You find the experimental probability of rolling an even number to be 0.25.

Or

You find the experimental probability of rolling an odd number to be 0.5.

Answers

the first one because you have an equal chance of getting off and even number. So the first one is least likely to occur
It will be the first one

Use algebra tiles to model and solve 4x + 7 = 23.

Answers

Easy multiply 4x4 then add 7 the you get the answer

Model length: 5 ⅖ meters Actual length: 94 ½ km

The scale is___ km/m

Answers

94/5=18.8

The scale is 18.8 km/m
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