2x+y=7
5x+y=9
solve the system of equations

Answers

Answer 1

Answer:

x=66

y=-57

Step-by-step explanation:


Related Questions

The circle graph shows how Tremaine divided his time on the computer last week Tremaine's Computer Time Games 25% Homework 20% Research 5% Other 10% Social media 40% Tremaine used the computer a total of 30 hours last week. How many more hours did Tremaine use the computer to play video games than to do research? 6 hours 20 hours 7.5 hours • 15 hours

Please explain ​

Answers

Answer:

maybe 2.9 hours

Step-by-step explanation:

At a team meeting, 80% of the tennis team was there. If there were 12
people at the meeting, how many
people are on the team?

Answers

Answer:

15 people

Step-by-step explanation:

let x=total # of people on the team

80%=12

80/100=12/x

cross multiply

80x=1200

division property of equality (divide both sides by 80)

x=15

There are 15 people on the team.

If c is a positive number, how many solutions does √x = c have? Explain.

Answers

Answer:

varied

square root of number never result negative number

Step-by-step explanation:

There will only be one real solution.

If [tex]x[/tex] is a real number, the square root function [tex]\sqrt x[/tex] will only have real solutions when [tex]x\ge0[/tex].

For [tex]x<0[/tex], we get imaginary solutions.

Also, when [tex]\sqrt x> 0[/tex], [tex]x>0[/tex]

In other words, when the square root of [tex]x[/tex] is a positive real number,  [tex]x[/tex] will be a unique positive number.

We can see this when trying to solve the equation given in the question

So, the equation

[tex]\sqrt x=c[/tex]

where [tex]c>0[/tex], when solved, will give

[tex]\sqrt x=c\\(\sqrt x)^2=c^2\\x=c^2[/tex]

We will have a unique solution because squaring a positive real number gives a single result.

Learn more here: brainly.com/question/24117016

enign
1)
The radius of a circular rug is 4 feet. How much ribbing will you need to buy to go around the rug? Use 3.14 for it
ime
maining
00:36
Tools
A)
13 feet
Eliminate
B)
26 feet
51 feet
D)
102 feet
O
0

Answers

hi reminder!!! just wanted to let you know that you are beautiful DONT pay attention to what other people say Ily :)

need help plz.......

Answers

Answer:

oh I see. that's an interesting question but the problem is I hate maths

Get 20 points.The square root of 144 is 12, because12 x 12 = 144. The square root of 169 is 13, because
13 x 13 = 169. Which expression will give the closest approximation to the square root of 156?

Answers

Answer:

A

Step-by-step explanation:

I took the assignment before hand thats the answer.

Which of the following represents a translation if the figure?
A.
B.
C.
D. ​

Answers

Answer:

b

Step-by-step explanation:

a translation is when it looks exactly the same but is on the other side of the line

Will Give Brainliest
Let ​ x2+8x=7 .​

What values make an equivalent number sentence after completing the square?
Enter your answers in the boxes.

​​x2+8x+ ? ​= ​?

Answers

Answer:

4/6

Step-by-step explanation:

im smart trust

luna mixes 3/4 cup of orange juice with 3/8 cup of cranberry juice.she gives 5/8 cup of juice to mags. how much is left in lunas glass

Answers

Answer:4/8 or simplified answer 1/2

Step-by-step explanation:

3/4 + 3/8, first you have to find the highest common factor of 4 and 8.

The answer is 9. The denominator of both side will be 8. Now you ask yourself 4 times what gives you 8 and times the numerator by that number. And do the same for the 8.

6/8 + 3/8= 9/8

9/8 - 5/8= 4/8

The simplified answer is 1/2

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.

Can someone please help me with math. Pls don't take my points.

Answers

Answer:

0.09

0.16

0.35

0.65

0.19

0.56

Step-by-step explanation:

Use a definite integral to find the area under the curve between the given x-values. f(x) = 3 x from x = 1 to x = 8

Answers

Answer: 94.5

Step-by-step explanation:

Given

Function is [tex]f(x)=3x[/tex] and the boundary is [tex]x=1\ \text{to}\ x=8[/tex]

Integrating the function

[tex]\Rightarrow I=\int_{1}^{8}f(x)dx\\\\\Rightarrow I=\int_{1}^{8}3xdx\\\\\Rightarrow I=\left ( \frac{3x^2}{2} \right )_1^8\\\Rightarrow I=1.5(8^2-1^2)=1.5(64-1)\\\Rightarrow I=94.5[/tex]

The value of integral is 94.5

Shakir has relatives in Ottawa, Canada. His aunt told him that the average temperature in April is 8.6°C higher than it is in March. She also said that the average temperature in February is −11.8°C.


If the average temperature in April is 3.8°C, how much colder is the average temperature in February than the average temperature in March?

a
It is 7°C colder.
b
It is 4.8°C colder.
c
It is 3.2°C colder.
d
It is 24.2°C colder.

Answers

Answer:

Step-by-step explanation:

did u get the answer?//

Help me with this problem please:)

Answers

the area of the square is 4
and the area of the triangle is 2

4+2=6

the area is 6

How many solutions are there to this equation 3(3x-)=6x-3 please help

Answers

One Solution
Steps - 3(3x)=6x-3
9x=6x-3
-6x -6x
3x=3
X=1

A carpenter had a piece of wood that was 12 feet in length.If he needs only 8 5/12 feet of wood, then how much wood should he cut?

Answers

3 7/12 feet of wood.

BRAINLIEST!!

which statement correctly compares the function y = 5x + 5

Answers

Solved Correct Answer B ( conjucted with association of y= 5x + 5 - Graphed (0,5)

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

Please help due in 5 minutes

Answers

Answer:

18,24,30

Step-by-step explanation:

hope this helps

Answer:

c

Step-by-step explanation:

because that the hypotenuse 30 adjacent 18 and opposite 24

Emily bought 36 yards of fabric to make curtains.
How many inches of fabric did Emily buy?
Emily bought
Inches of fabric.

Answers

Answer:

36 yards = 1,296 inches.

Which one is the answer? Please be honest this is for my friend.

Answers

Answer:

A 0.4kg object rolling at 2 m/s that's d right answer

Answer:

A 0.4 kg object moving at 4 m.

Step-by-step explanation:

The heavier the object is, the faster it goes. Also the faster is goes and the heavier it is, the more momentum it has.

Pls answer number 13 I will put u Brainly solve x and z

Answers

Answer:

x=58 ; z=32

Step-by-step explanation:

Answer:

1.3

Step-by-step explanation:

What are the solutions of the equation (x - 3)2 + 2(x - 3) - 8 = 0? Use u substitution to solve.
Ox= -5 and x = 1
O x= -1 and x = 5
O x= -1 and x = -7
Ox= 1 and x = 7

Answers

Given:

The equation is:

[tex](x-3)^2+2(x-3)-8=0[/tex]

To find:

The value of x.

Solution:

We have,

[tex](x-3)^2+2(x-3)-8=0[/tex]

Substitute [tex]x-3=u[/tex].

[tex]u^2+2u-8=0[/tex]

Splitting the middle term, we get

[tex]u^2+4u-2u-8=0[/tex]

[tex]u(u+4)-2(u+4)=0[/tex]

[tex](u-2)(u+4)=0[/tex]

Using zero product property, we get

[tex]u-2=0\text{ and }u+4=0[/tex]

[tex]u=2\text{ and }u=-4[/tex]

Now, substitute [tex]u=x-3[/tex].

[tex]x-3=2\text{ and }x-3=-4[/tex]

[tex]x=2+3\text{ and }x=-4+3[/tex]

[tex]x=5\text{ and }x=-1[/tex]

Therefore, the correct option is b.

The solutions to the equation are x = -1 and x = 5. The correct option is second option x = -1 and x = 5.

Quadratic equation

From the question, we are to determine the solution of the given equation

(x - 3)² + 2(x - 3) - 8 = 0

First, we will expand the equation and clear the brackets

[tex](x - 3)^{2} + 2(x - 3) - 8 = 0[/tex]

[tex](x - 3)(x - 3) + 2(x - 3) - 8 = 0[/tex]

[tex]x^{2} -6x + 9 +2x - 6 - 8 = 0[/tex]

Simplifying

[tex]x^{2} -4x - 5 = 0[/tex]

Factorizing, we get

[tex]x^{2} -5x +x- 5 = 0[/tex]

[tex]x(x-5)+1(x- 5) = 0[/tex]

[tex](x+1)(x-5)= 0[/tex]

Then,

x + 1 = 0 or x - 5 = 0

x = -1 or x = 5

Hence, the solutions to the equation are x = -1 and x = 5. The correct option is second option x = -1 and x = 5.

Learn more on solving Quadratic equations here: https://brainly.com/question/8649555

You’re walking down the hall and you overhear someone talking about you behind your back. What would you do and why?

Answers

Answer: Go up and confront them because i hate when people do that!

Step-by-step explanation:

Answer:

Slap them

Step-by-step explanation:

Don't let people talk bad about you/j

What you should actually do and a answer the teacher is looking for would be to either ignore it and move on because there is not use starting drama or to confront them and ask what they are saying about you so that you don't jump to conclusions


PLEASE EMERGENCY HELP DONT LINK FILES!!!!



The floor of a storage unit in the shape
of a rectangular prism has an area of 106 1/4 square feet. The height of the storage unit is 7 1/2 feet. What is the volume of the storage unit?
A. 742 1/8ft B. 744 1/4 ft C. 795 1/4 ft D. 796 7/8 ft

Answers

Answer:

V = 796 7/8 ft^3

Step-by-step explanation:

The storage unit has a rectangular shape.

Thus, the volume is V = (area of floor)(height)

                                  V = (106 1/4 ft^2)(7 1/2 ft)

                                   V = 796 7/8 ft^3

Converting 106 1/4 ft to 106.25 makes it easier to use a calculator here.  Same with 7 1/2 ft:  7.5 ft

Enter the correct answer in the box.
Solve this system of equations.

y=2x-5
y=-2x+3


x=
y=

Answers

Answer:

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

2, -1

Step-by-step explanation:

plz someone solve this problem
6 ×½ = 3 ​

Answers

Answer:

[tex]6[/tex]×[tex]\frac{1}{2} =3[/tex]

Step-by-step explanation:

Yeah.

hey cutie pls help me thank u !!

f(x)= 2x-1
g(x)=3x
h(x)=x^2 + 1

Compute the following:
Find f(3)

Choose the best answer
A)9
B)5
C)10​

Answers

f(3)=5 // f(3)=2(3)-1 = 5

Which fraction is equivalent to the fraction below?
18/24

Answers

Answer:

6/8 , 12/16 , 48/64

Step-by-step explanation:

6/8 12/16 48/64 is the answers if you need more reply

PLEASE HELP ASAP NO LINKS PLEASE An employee works as a veterinary assistant at a clinic making $31,840 per year. However, the clinic is hiring veterinarians at a salary of $72,100 per year. The employee went back to school to become a veterinarian. How much more money could the employee make working as a veterinarian instead of a veterinary assistant over 5 years? Enter your answer in the box.

Answers

Answer: 40,260

Step-by-step explanation:

72,100-31,840=40,260

Answer:

201,300

Explanation

I got 100 so no worries

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