Solve the system by substitution

Solve The System By Substitution

Answers

Answer 1

Answer:

x=-3, y=-24

Step-by-step explanation:

solved by substitution


Related Questions

i need help people get brailestttt

Answers

Answer:

Whats the question?

Step-by-step explanation:

Please help me with these questions!!

Answers

Answer:

truck is 100mph

Step-by-step explanation:

100 miles per hour hope this helps

Grace rakes leaves everyday for one week. She fills the same number of bags with leaves on each of the 5 weekdays. She fills 11 bags over the weekend. At the end of the week, Grace has filled a total of 26 bags. She wants to know how many bags she filled each weekday.

Answers

Answer:

3 bags per weekday

Step-by-step explanation:

Total bags of leaves at the end of the week = 26 bags

Bags of leaves she fills over the weekend = 11 bags

Bags of leaves she fills during weekdays = x bags

Total bags of leaves at the end of the week = Bags of leaves she fills over the weekend + Bags of leaves she fills during weekdays

26 = 11 + x

Subtract 11 from both sides

26 - 11 = 11 - 11 + x

15 = x

x = 15 bags

If she fills the same number of bags with leaves on each of the 5 weekdays.

how many bags she filled each weekday.

Bags she filled each weekday = Total Bags of leaves she fills during weekdays / 5 weekdays

= 15 bags / 5 weekdays

= 3 bags per weekday

Answer:

3

Step-by-step explanation:

1. Bags filled on weekdays + bags filled on weekends = total bags filled

2. 5b + 11 = 26

3. Isolate variable (subtract 11 from both sides) = 5b=15

4. Divide both sides by 5 = 15/5 = 3

5. How many bags does Grace fill each weekday? = 3

A large aquarium should contain 10,000 liters of water when it is filled correctly. Fish will get sick if the aquarium gets down to 4,000 liters or less. One day over the weekend, there is an accident, and the tank cracks in 4 places, causing water to empty out of the aquarium at a rate of 20.5 liters per hour. The aquarium workers did not catch the leaks until 2 days later. How much water was left in the tank when the aquarium workers finally caught the leak? Based on the level of water, were fish sick?

Answers

Answer:

9016 litres left

Step-by-step explanation:

The fish were not sick.

You would multiply 20.5 by 48 which is the amount of hours in 2 days then subtract that amount from 10000 to see how much is left

7(5a − 4) − 1 = 14 − 8a

Answers

Answer:

A=1

Step-by-step explanation:

7(5a-4)-1=14-8a

35a-28-1=14-8a

35a-29=14-8a

43a-29=14

43a=43

a=1

Answer:

41/43

Step-by-step explanation:

7(5a - 4) - 1 = 14 - 8a

35a - 28 - 1 = 14 - 8a

35a - 27 = 14 - 8a

35a + 8a = 14 + 27

43a = 41

a = 41/43

Hope this answer helps you

9. If the m 70 degrees what is the m А
D
X
B

Answers

Answer:

110°

Step-by-step explanation:

<A + <B = 180 because these angles are supplementary

70 + <B = 180

<B = 110°

inverse of f(x) =e^2x- 4

Answers

Answer:

f−1(x)=ln(x+4)/ 2

Step-by-step explanation:

what’s 1/50 rounded to the nearest 100

Answers

Answer:

*Under the assumption you mean "What's 1.50 rounded to the nearest 100th"*

1.50<====

Step-by-step explanation:

Looks like a trick question. The first number after the decimal is a tenth, the next one a hundredth. There is no thousandth to round up the hundredth and so the number is already rounded.

Brainlist please

Skibidi bop mm dada B O O M

Answer:

1/50 = 0.02

Rounded to the nearest 100th, it's 0.02.

Rounded to the nearest 100, it's 0.

Find measure of angle c

Answers

Answer:

insta trippy1669

Step-by-step explanation:

Write an inequality that represents the graph.

Answers

Answer:

y>2x+1

Step-by-step explanation:

Choose the inequality that represents the following graph.
+
-3
1
-1
-5
-4
-2
0
1
2
3
4
5
MA
(A
Choose 1 answer:
As
z<-4
MY
33-4
Coi
C
>-4
MY
Pro
2-4

Answers

I think the answer is c

Answer:

The correct answer is D

In a direct variation equation F(x)=6 when x=4

Answers

Answer: C. f(x)=1.5x

Step-by-step explanation:

Here's the complete question:

In a direct variation equation f(x) = 6 when x = 4. what is the direct variation equation

A-f(x)=6x

B-f(x)=4x

C-f(x)=1.5x

D-f(x)=0.67x

The direct variation equation will be:

6 = kx

When x = 4, this will be:

6 = 4k

k = 6/4

k = 1.5

Therefore, the direct variation equation is: f(x)=1.5x

A personal identification number (PIN) consists of 3 numbers 0 – 9. What's the probability someone's PIN number consists of only 1 number. For example 000, 111, 222, etc.

Answers

Answer:  [tex]0.34[/tex]

Step-by-step explanation:

given data:

numbers contained in pin = 3

numbers pin can be gotten from = 0-9

solution:

0,1,2,3,4,5,6,7,8,9 = 10

probability the pin consist of only 1 number

[tex]= \frac{1}{10} + \frac{1}{9} + \frac{1}{8} \\\\[/tex]

[tex]= \frac{121}{360} \\[/tex]

[tex]= 0.34[/tex]

can I get help please ​

Answers

The first one is the answer ......

Answer:

im pretty sure its the second one

A pair of jeans is marked 25% off. If the original price is $31.50, what is the discount amount that will be taken off of the original price?

Answers

Answer:

7.875 will be taken off

& find the value of the (12.6)²
using table method​

Answers

Answer:

This is the answer.....

Please add as Brainlist

-5w-5(-4z +2w) + 5z
what is the answer​

Answers

Answer:

−15w+25z

Step-by-step explanation:

Let's simplify step-by-step.

−5w−5(−4z+2w)+5z

Distribute:

=−5w+(−5)(−4z)+(−5)(2w)+5z

=−5w+20z+−10w+5z

Combine Like Terms:

=−5w+20z+−10w+5z

=(−5w+−10w)+(20z+5z)

=−15w+25z

Answer:

-15w + 25z

General Formulas and Concepts:

Pre-Algebra

Distributive Property

Algebra I

Combining Like Terms

Step-by-step explanation:

Step 1: Define

-5w - 5(-4z + 2w) + 5z

Step 2: Simplify

Distribute -5:                    -5w + 20z - 10w + 5zCombine like terms:        -15w + 25z

7th grade math help me pleasee :))

Answers

Step-by-step explanation:

the terms are 2k,15,m,3,n,7p.

variables are k,m,n,p

coefficients are 2,and 7

constants are 15 and 3

A local company employs a varying number of employees each year, based on its needs. The labor costs for the company
include a fixed cost of $44,604.00 each year, and $27,396.00 for each person employed for the year. For the next year, the
company projects that labor costs will total $1,715,760.00. How many people does the company intend to employ next year?
OA. 731
OB. 61
O C. 125
OD. 31

Answers

Answer:

i think the awnser would be B Or d best of luck hope this helps

Write an express for the perimeter of the figure shown by combing like terms.

Answers

9514 1404 393

Answer:

  28k

Step-by-step explanation:

The perimeter is the sum of the four equal-length sides:

  P = 7k +7k +7k +7k

  P = k(7 +7 +7 +7)

  P = 28k . . . . perimeter of the rhombus

__

Of course, multiplication was invented to make repeated addition easier. Here, the perimeter is 4(7k) = 28k, no like terms to combine.

It's timed plzzz help!!!

Answers

Answer:

Last Choice / D

Step-by-step explanation:

you want to isolate v!

E = 1/2 m v^2

multiply both sides by 2

2E = mv^2

divide both sides by m

2E/m = v^2

square root both sides

v = ±[tex]\sqrt{2E/m}[/tex]

please click heart to give thanks :)

Answer:

[tex]D.v= \± \sqrt{\frac{2E}{m}}[/tex]

Step-by-step explanation:

[tex]We\ are\ given\ that,\\Kinetic\ Energy\ possessed\ by\ an\ object=\frac{1}{2}mv^2\\Hence,\\E_k=\frac{1}{2}mv^2\\2E=2*\frac{1}{2}mv^2 [Multiplying\ both\ the\ sides\ with\ 2]\\2E=mv^2\\\frac{2E}{m}=\frac{mv^2}{m}[Dividing\ both\ the\ sides\ by\ m]\\\frac{2E}{m}=v^2\\Now,\\As\ v\ could\ be\ positive\ or\ negative\ but\ its\ square(v^2)\ would\ always\ be\ positive.\\[/tex]

[tex](\± v)^2= v^2\\Hence,\\\frac{2E}{m}= (\±v)^2 \\\sqrt{\frac{2E}{m}} = \±v\\Or,\\ v= \± \sqrt{\frac{2E}{m}}[/tex]

What is the solution to the system of equations below?
4x - 7y = -2
8x - 14y = -4
Answer ?????

Answers

(4x - 7y = -2)2
8x - 14y = -4
8x - 14y = -4
The equations are equal
Answer: infinite solutions

Point Form:

(x,2/7+4x/7)

Equation Form:

x=x,y=2/7+4x/7

Translate the shape by the vector -1 5​

Answers

Answer:

la forma por el vector -1 5

Step-by-step explanation:

Ben is 39 3939 years old and Ishaan is 3 33 years old. How many years will it take until Ben is only 4 44 times as old as Ishaan?

Answers

Answer:

what ? what is this i dont understand

please help due in 2 min will give max points

Answers

Answer:

x = 4

Step-by-step explanation:

(7x - 2) + (3x + 9) = 10x + 7

(10x + 7) + (8x - 6) = 18x + 1

18x + 1 = 73

18x = 72

72/18 = x

x = 4

A retailer (GameStop, Target, or other stores) will receive 23% of the sale price of a video game. If a retailer sells a video game for $60.00, how much money will the retailer receive?

Answers

Answer:

$13.80

Step-by-step explanation:

23% of 60 = .23 x 60

Similar Figures and Scale Drawings Extension brainliest plus 80 points !!!!!!!!!!!!!!!!!!

Answers

Answer:

1. 1/2 in = 6 feet

   1 3/4 in = 21 feet

2. x = 7

   y = 10

3.  GH= 2

4. x = 3

   y = 5

Answer:

6 aand 21

Step-by-step explanation:

Can someone help? Image attached is the answer.​

Answers

Answer:

I believe the answer is D)

Step-by-step explanation:

I really hope this helps

UwU

Answer:

slope intercept form:

y=mx+b where m is the slope and b is the y intercept.

The y intercept is where the line crosses the y axis which in this example is at (0, 2). The y intercept is 2. The slope can be found by plugging in the x and y values of any 2 points on the line into the equation: y2 - y1 / x2- x1:

y2 - y1 / x2- x1

4-2 / 5-0

2/5 is the slope

therefore, y=2/5x+2 is the equation

D is correct

Step-by-step explanation:

x^2 + 1/2x+?
ayooooo i need help

Answers

Answer:

1/16

Step-by-step explanation:

using a^2 +2ab + b^2

(1/2)/2 = 1/16

(1/16)^2

b = 1/16

What is the solution to the equation?
4(3 + 7) = 4·x+4.7
Ox-3
Ox=4
Ox=7
Ox- 10

Answers

Answer:

1

Step-by-step explanation:

1+1=2 :D

Answer:

4.10=4.x+28

4.x=40-28

4.x=12

x=12/4

x=3

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