Solve the linear equation below using the substitution method

x-3y=7
2x+3y=9​

Answers

Answer 1
(16/3, -5/9)

Hope this helps:))
Answer 2
-3y=7
-3y. 7
—— = ——
-3 -3
7
Y= - — —-
3

This is for Number one

Related Questions

Talia bought home. For her pet turtle. The rectangular tank is 3 feet lonc,1 foot wide, and 2 feet high. What is the volume of the tank

Answers

Answer: 6ft³

Step-by-step explanation:

The tank described is a rectangular tank which means that it is a rectangular cube.

The volume of a rectangular cube is calculated by multiplying the length by the width by the height.

Volume of tank is:

= Length * Width * height

= 3 * 1 * 2

= 6 ft³

Find the area of the shaded region

Answers

Answer:

128 centimeter

Step-by-step explanation:

sana makatulong

The speed of a train is 35 miles per hour less than 2 times the speed of a car. If the speed of the train is 60 miles per hour, how fast is the car going? Leave the answer as a fraction.

Answers

Answer:

95/2 mph

Step-by-step explanation:

speed of train = 60 mph

speed of car = x

"The speed of a train is 35 miles per hour less than 2 times the speed of a car."

2x - 35 = 60

2x = 95

x = 95/2

Answer: 95/2 mph

what value of 3x makes the equation true?
5x+3x=5x+15/2

Answers

Answer:

2.5

Step-by-step explanation:

when you 5x automatically cancels, and 7.5 / 3 is 2.5

Please helppp thanksss

Answers

Y-intercept
(0,-2)
x-intercept
(5,0)

If x^2 − 4x + 4 = 49, then what is x

Answers

Answer:

x=9  x=-5

Step-by-step explanation:

x² − 4x + 4 = 49

(x-2)²= 49

x-2= 7  or    x-2=-7  

x=9  or    x=-5

X=9
1949.89
939594949

Find the y-intercept of the following expression
(2x – 1) (3x - 1)

Answers

Answer:

5

Step-by-step explanation:

Answer:

y-int. is (0,1)

Step-by-step explanation:

Find the figure of the volume

Answers

Answer:

1300 ft

Step-by-step explanation:

to calculate volume you multiple LengthxHeightxWidth

20 x 13 x 5 = 1300

Two pyramids are similar. The volume of the larger pyramid is 125 mº and the volume of the smaller pyramid is 27 mº. The height of the smaller pyramid is 3 m What is the height of the larger pyramid? Enter your answer in the box.​

Answers

Answer:

5 m

Step-by-step explanation:

[tex]\sqrt[3]{125}[/tex] = 5

Answer:

5m

Step-by-step explanation:

trust me?

Alyssa attends football games at her school. At each football game, she buys a bottle of water for $0.75 and a candy bar for dollars. Select all expressions that represent the amount of money, in dollars, Alyssa spends after attending 6 football games.Immersive Reader (10 Points) 6(0.75)() 6(0.75) + 6() 6 + 0.75 + x (6 + 0.75)(6 + )

Answers

DO NOT CLICK THE LINK THE OTHER PERSON WHO ANSWERED SAID. PLEASE DONT

PLSS HELP ASAP!! I WILL GIVE YOU BRAINLYEST!!

Temperature can be measured using either the Fahrenheit scale or the Celsius scale.
The relationship between Fahrenheit and Celsius can be modeled by the equation:
F = 9/5C+32 where F = degrees Fahrenheit and C = degrees Celsius

If the temperature is 84° Fahrenheit, what is the approximate temperature in degrees Celsius?

A. 29
B. 50
C. 94
D. 183



Answers

A I think(sorry if you get it wrong I’m not exactly sure djdnbd)
It is a ur welcome............

Simplify: 3 + ³√64 I have to put 20 charcters so here

Answers

Answer:

   If (x+3) ³ = 64,what is the value of x?

(x+3)3=64

⟹(x+3)3=26=(22)3=43

⟹x+3=4

⟹x=1

Step-by-step explanation:

can i have brainliest

Factor the expression: 12xy+15xyz-3xyz

Answers

Answer: 12xy + 12xyz

Step-by-step explanation:

15xyz - 3xyz = 12xyz + 12xy

Ellen has a balance of $15,000 on her car loan and an interest rate of 2.75%. To pay off the $15,000 in five years, Ellen will have to make a minimum payment of $267.87. If Ellen pays $434.57 per month she can pay off her auto loan in 3 years instead. How much more will Ellen pay if she takes 5 years to pay off her loan instead of 3 years?

Answers

Answer:

347$

Step-by-step explanation:

balance of 15000$

loan 2.75%

minimum 267.87

434.57 per month

=347$

Find the percent of the number. 25% of 50 is

Answers

The answer is 12.5
Just take 50/4

Answer:

12.5

Step-by-step explanation:

Help!!!!!
The net of a prism is shown below.

Answers

Answer:

SA = (3 x 12) + (3 x 4) = 36 + 12 = 48 cm²

Step-by-step explanation:

9 + 12 + 2(⁷/2) + 15 = 9 + 12 + 7 + 15 = 43 ===> surface area.

Hope to helpfull

pls pls pls, I beg you to answer this question only if you know the correct answer please please please I beg you

Answers

Answer: for number 4 the error is that they did -3 plus 5 which they got a +2 from. For question number 5 the correct answer is 18 and number 6 the answer is also 18.

Step-by-step explanation:

Answer:

1. they were suppose to multiply the 2 and the 5 first

2.B

3. 18

4.B

5.B

Based on the data given in the table,
which is a reasonable estimate of
the download time of a 600-kilobyte
A 10 seconds
B 12 seconds
C 15 seconds
D 17 seconds

Answers

Answer:

C. 15 seconds

Step-by-step explanation:

It wouldn't be A, because 10 seconds can download 348 kilobytes, it wouldn't be B too as it would be at about 400+ kilobytes, the only possible answer is 15 seconds as the last option takes 17 seconds for 715 kilobytes.

Help pls class is going to start soon

Answers

if im not wrong i think it’s D.
I think it is D but I’m not sure.

Find sin(2x), cos(2x), and tan(2x) from the given information.

sin(x) = - 8/17, x in Quadrant III

Answers

She’s the woods in her life and she wants work to come with her mom so 17x 629 = 567801

what is the answer wil mark brainleist and report those who put random answers 30 points

Answers

Answer: 92 ft

Step-by-step explanation:

Answer:

36 square feet

Step-by-step explanation:

12*7/2 - 3*2 = 36 square feet

During the last few months, Maria has seen deer in her backyard on 13 days and no deer on 52 days. What is the approximate probability that she will see deer in her yard tomorrow?
A. 33.3%
B. ⅔
C. 0.25
D. ⅕​

Answers

Answer:

8.45

Step-by-step explanation:

Answer:

1/5 is your anwer

Step-by-step explanation:

6 1/2 x 3 1/3 x 2

what’s the volume?

Answers

Answer:

1891 /3

Step-by-step explanation:

Josh is tiling his swimming pool. What information does Josh need?
A.
the area of a tile and the area of his swimming pool
B.
the volume of a tile and the volume of his swimming pool
C.
the perimeter of a tile and the perimeter of his swimming pool

Answers

He née the perimeter of the tile and the perimeter of the swimming pool

5x+y=-19 5x-4y=-24


Help pls​

Answers

Answer:

x= 4 and y=1

Step-by-step explanation:

to solve this you could either use substitution or elimination. elimination would be best her because both 'x's have the same number. subtract the equations from eahh other and solve for y, then substitute the y and solve for x

The system of equations are solved and x = -4 and y = 1

What is an Equation?

Equations are mathematical statements with two algebraic expressions flanking the equals (=) sign on either side.

It demonstrates the equality of the relationship between the expressions printed on the left and right sides.

Coefficients, variables, operators, constants, terms, expressions, and the equal to sign are some of the components of an equation. The "=" sign and terms on both sides must always be present when writing an equation.

Given data ,

Let the equation be represented as A

Now , the value of A is

Substituting the values in the equation , we get

To solve the system of equations:

5x + y = -19 (Equation 1)

5x - 4y = -24 (Equation 2)

Let's use the elimination method in this case.

Step 1: Multiply Equation 1 by 4 and Equation 2 by 1 to eliminate y.

4(5x + y) = 4(-19)

5x - 4y = -24

20x + 4y = -76 (Equation 1 multiplied by 4)

5x - 4y = -24 (Equation 2 multiplied by 1)

Step 2: Add the equations together to eliminate y.

20x + 4y + 5x - 4y = -76 - 24

25x = -100

x = -100 / 25

x = -4

Step 3: Substitute the value of x into either Equation 1 or Equation 2 to solve for y.

5(-4) + y = -19 (Using Equation 1)

-20 + y = -19

y = -19 + 20

y = 1

Hence , the solution to the system of equations is x = -4 and y = 1

To learn more about equations click :

https://brainly.com/question/19297665

#SPJ2

Sinx = [tex]\frac{3}{8}[/tex]
Find cosx and tanx

Answers

Answer:

Cos(x) = sqrt(55) / 8; tan(x) = 3/sqrt(55)

Step-by-step explanation:

Sine is opposite over hypotenuse. So we get that the opposite is 3 and the hypotenuse is 8. To find the adjacent (which we'll need for cosine and tangent), we can use pythagoras' theorem. Therefore, 8^2 = 3^2 + A^2, where A is the adjacent. A then must equal sqrt(64-9) = sqrt(55).

Cosine is adjacent over hypotenuse, which is then sqrt(55) / 8. Tangent is opposite over adjacent, which is then 3 / sqrt(55) or (sqrt55)*3/55

What is the value of the expression?

−5/12+7/34

Answers

-43/204

Step-by-step explanation:

−5/12 × 17/17 + 7/34 × 6/6 =

= −85/204 + 42/204

= −85 + 42/204

= −43/204

I forgotususjaajjajajaa

yeah please help me

Answers

Answer:

Its B and E

Step-by-step explanation:

PLS MAKE ME BRAINLIEST

help me please i will give brainiest!

Answers

Answer:

Latrece will keep $135

Step-by-step explanation:

First, if she sold 18 bracelets, then 18 x 4 = 72.

Latrece will give her friend $72, so 207 - 72 = 135.

Hope this helps!

Mhanifa please help im almost done!!

Answers

Answer:

Easy way is to plot the points and confirm visually.

See the attached

We can see opposite sides are parallel and congruent.

This confirms the quadrilateral is a parallelogram.

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