Mathematics High School

What is the solution to the system of equation?
-4+6y=-18 and y=-2x+21

Answers

Answer 1

Answer:

The answer is (35/3, -7/3)

Step-by-step explanation:

Solve for the first variable in one of the equations, then substitute the result into the other equation.

~Hoped this helped~

Related Questions

algebra work please help needed

Answers

Answer:

64

Step-by-step explanation:

Hope this helps! :)

Answer:

64 is correct hope it helped have a good day mate

Please help me with this I will give brainliest

Answers

Answer:

5x = 34.5

34.5 ÷ 5 = x

FIRST ANSWER GETS BRAINLIEST ANSWER FAST

Answers

Answer:

A

Step-by-step explanation:

Because it would be how many adults times 36. And how many ever children times 15. And that total would be equal to $234

The number of students who attend Newton elementary school is 75% of the number of students who attend berry middle school find the number of students who attend Newton elementary school of 500 students attend berry middle school

Answers

Answer:

375 students

Step-by-step explanation:

Multiply: 500*.75=375

375 students

Hope this helped!! :)

Please correct me if I'm wrong

Stay safe and have a wonderful day/night!!!!!

Brainliest?!?!

Simplify the expression:
(6x - 3) + (5x + 7) and if u can show steps

Answers

Step-by-step explanation:

Let's simplify step-by-step.

6x−3+5x+7

=6x+−3+5x+7

Combine Like Terms:

=6x+−3+5x+7

=(6x+5x)+(−3+7)

=11x+4

Answer:

11x + 4

Step-by-step explanation:

hope this helps!!!

Rainbow rainbow, high and bright.
Rainbow rainbow, made of light.
From the clouds down to the ground,
I see colors all around.
Red, orange, yellow, green, blue,
Indigo and violet too.
Red, orange, yellow, green, blue,
Indigo and violet too.
Rainbow rainbow, high and bright.
Rainbow rainbow, made of light.
From the clouds down to the ground,
I see colors all around.
Red, orange, yellow, green, blue,
Indigo and violet too.
Red, orange, yellow, green, blue,
Indigo and violet too.
A rainbow.
A rainbow.

Answers

Answer:

is this a song or something

Answer:

Is this some sort of poem which you wanted to share?

how to change .75 to a percentage NOW

Answers

Answer:

Move the decimal place over to the left two spaces

.75--> 7.5--> 75%

and reverse

75%--> 7.5--> .75

Step-by-step explanation:

brainliest plz

Answer:

75%  

Step-by-step explanation:

"Percent" means "per 100" or "over 100". So, to convert 0.75 to percent we rewrite 0.75 in terms of "per 100" or over 100.

Multiply 0.75 by 100/100. Since 100/100 = 1, we are only multiplying by 1 and not changing the value of our number.

0.75      100        75

-------- x --------  = -------- which equals to 75%

1             100        100

Hope this helps

can i have brainliest plz

Find the value of x.
B
х
8
A
3
D
4
x = [?]
Enter

Answers

Answer:

X=6

Step-by-step explanation:

If B and C equal 8 and is larger than x than x is a smaller number. D and C is 4 but its smaller than x so x has to be bigger. Your left with 3 choices 5, 6, and 7. Measure it and find out how big x is and its between 6 or 7. If any means they do decimals it can also be 6.5 so x=6 or x=7 or x=6.5

If you were to measure the length of a typical driveway, which unit would make most sense to measure it in?

Answers

Answer:

Feet

Step-by-step explanation:

The unit that makes the most sense is feet. Inches are too small and miles are too long, yards are not that common in building feet is the standard unit.

Which of the following is an example of a combination?
O A. Picking 3 books to take with you on vacation from a collection of
20 books
O B. Selecting a president, vice president, and treasurer
O C. The number of ways that 4 people can win 4 different prizes
O D. The number of ways that 7 books can be placed in a row on a
bookshelf

Answers

Answer:

a

Step-by-step explanation:

uh this is basic head knowledge for me i cant really explain

HELP ME ASAP PLEASE ?!?
If the sides of a square are 9, then the diagonal is

Answers

Answer:

Would diagonal mean triangle so: 9/2 which is

4.5? Sorry if it is wrong!

find the area:
look at pic

Answers

Answer:

15in

Step-by-step explanation:

A union has successfully negotiated for its members to get 5% raises
annually. If a union member currently has a salary of $36,000, what will
her salary be in 3 years?

Answers

If I did my calculations right,

Her salary would be around $41,674.5

I hope this helps!

PLEASE HELP QUICKLY!!!

Answers

Answer:

sunday

Step-by-step explanation:

i dont want brainliest give it to the other guy

1) 2x+y=4

2) 8x+y=-6

3) -3x+y=5

4) -x+y=-10

5) 4x-y=4

Can you guys lmk how to solve for y ? step by step
and if the equation has a negative sign in front do you still solve it the same way as the others ? am really confused please help!

Answers

y=-2x+4

y=-8x-6

y=3x+5

y=x-10

y=4x-4

Step-by-step explanation:

these questions require a series of equations in order to solve but if you are asking for them to be rearranged

en qué experimento aleatorio de lanzar un dado que más probable que salga un número impar o que salga el número 2​

Answers

Answer:

3 no mentiras no sé pero puedes buscar

plz help, picture is the question​

Answers

1. Given
2. If lines are parallel, corresponding angles are equal.
3. Vertical angles are equal.
4. Substitution

Tuition for one year at Tarleton University is about $14,500. McKenzie wants to attend this university and will save money each month for the next 4 years. Her father will give her $6300 for her first year of tuition, and she received a $3,000 Grant. What is the amount of money McKenzie must save per month to have enough money to pay for her first year of tuition?​

Answers

Answer:

5200

Step-by-step explanation:

You know that she needs 14,500 for her first year

she has a total of 3000+6300 so far

To find out how much she needs just take the difference

14500-(3000+6300)=5200

WILL MARK BRAINLEIEST

Answers

Answer:

y-intercept is -1

Step-by-step explanation:

this is the answer because the line crosses at -1 in the y line

write in slope-intercept form 5x-3y=-9

step by step explanation too, please.

Answers

Answer:

y = (5/3)x +3

Step-by-step explanation:

slope intercept form

Y = mx +b form

so we need to solve the given equation for y

1.  5x-3y =-9

2 . 5x -3y +3y = -9 +3y (adding both sides 3y)

3. 5x = -9 +3y

4. 5x +9 = -9 +9 + 3y (adding 9 to bot sides)

5. 5x +9 = 3y

6. (5/3)x + 9/3 = (3y)/3 ( divide both sides by 3 to get y  alone)

so, the final answer will be

y = (5/3)x +3

❗️❗️EASY 10 points HELP ME ❗️❗️There
are 10 game pieces in a bag 5 yellow, 2 red, and 3 green,
You randomly select a game piece from above and do not put it back. What is the probability
choose yellow then red?
1/9
1/2
3/7
d
3/10

Answers

Answer:

1/2

Step-by-step explanation:

since there are 5 yellow pieces that is half of the game pieces

A scientist is testing lake water at different depths. Order the samples of lake water from greatest depth to least depth. At what depth could the scientist take a new sample that would be shallower than the shallowest sample?

Answers

Many photosynthetic organisms and large amounts of light

Describe three ways to get a total value of -2

Answers

Answer:

1 * -2, 7 - 9, and 2^2 - 2 * 3

7-7/5x=12

Solve for x

Answers

Answer:

x= -7/25

Step-by-step explanation:

Answer:

x = -25/7

Step-by-step explanation:

Find the square root of 25x^2-40xy+16y^2​

Answers

The square root of [tex]25x^2-40xy+16y^2[/tex] is 5x - 4y.

Given that,

The quadratic equation is [tex]25x^2-40xy+16y^2[/tex].We need to find out the square root.

Based on the above information, the calculation is as follows:

[tex]= 25x^2-40xy+16y^2\\\\= (5x)^2 - (2\times 5x \times 4y) + (4y)^2\\\\= (5x - 4y)^2\\\\= \sqrt{ (5x - 4y)^2}[/tex]

= 5x - 4y

Therefore we can conclude that the square root of [tex]25x^2-40xy+16y^2[/tex] is 5x - 4y.

Learn more: brainly.com/question/9664917

Cindy goes to school in a 7-story building. Her first class is on the first floor.
She goes up 3 floors for her second class and down 2 floors for her third
class. For her fourth class Cindy goes up 5 floors and for her final class
Cindy goes down 1 floor. What floor is Cindy on during her final class?

Answers

1: 1
2: 1 + 3 = 4
3: 4 - 2 = 2
4: 2 + 5 = 7
5: 7 - 1 = 6

please answer asap.

In a school of 450 students, 110 of them are in the choir, 240 of them are in the band and 60 students are in the choir and the band.
Find the probability that a student chosen at random is in the choir or the band or both

Answers

There are 250 total students.

180 take band.
60 take band and chorus .... that is the intersection of the 2 groups.

a quadrilateral has vertice at (1,1) (4,2)(0,4) and (5,5) what is the perimeter of the quaddrilateral​

Answers

Step-by-step explanation:

so your gonna add the number so yo the answer would be (10,12)

what is the area of the figure below?

Answers

109 inches is the answer! multiply the sides

find the missing side length??

Answers

So 6/3 = 2

So there is a scale factor of 2

So 2 x 2 is 4

The answer is 4
The answer is 4=x the missing side is x so the answer is four.
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