Use the elimination method to solve the following system. 6x – 7y = –8 –x – 4y = –9

(–6, –3)


(0, 4)


(–3, 8)


(1, 2)

Answers

Answer 1
The correct answer is (1,2)

Steps:
Multiply the second equation by 6 in order to eliminate the x variable.

6x-7y= -8
6(-x-4y= -9)

6x-7y= -8
-6x-24y=-54

Add the equations together and solve for y

-31y= -62
Y=2

Substitute y=2 in the original equation

-x-4(2)= -9
-x-8= -9
-x= -1
X=1

Answer: (1,2)




Related Questions

In order from less complex to more complex, which level of organization is directly after tissue?

Answers

organs is after tissue

PLEASE HELP!! It’s urgent!! I will mark brainliest

Answers

Answer:

a,c,d

Step-by-step explanation:

Answer:

the answer is F, C, A

What is 60 + 9.000000000

Answers

Answer:

69

Step-by-step explanation:

Answer:

69.000000000

Step-by-step explanation:

add 60 plus 9.000000000 and you get 69.000000000

Thirty-five less than the square of a number is the same as 2 times the number. Find the number

Answers

9514 1404 393

Answer:

  -5  or  7

Step-by-step explanation:

Let x represent the number. The problem statement tells us ...

  x^2 -35 = 2x

  x^2 -2x -35 = 0 . . . . subtract 2x to put in standard form

  (x -7)(x +5) = 0 . . . . . factor

  x = 7  or  x = -5 . . . . solutions are values of x that make the factors zero

The number could be either -5 or +7.

Please Help! Will mark brainliest!
Directions; Write a system of equations for each of the descriptions below, and then solve the systems. Hint: you can graph the equations to find the solutions.

A golfer completed 18 holes with a total of 79 strokes. On each hole, he met par, which was either four or five each time. How many holes were played in four-strokes?

Answers

Answer:

11

Step-by-step explanation:

Let a= times he hit 4 par

Let b = times he hit 5 par

a+b=18 => 4a+4b = 72

4a+5b=79

b=79-72=7

So a = 11

answer:

18 = 4a + 5b = 79, b = 79 - 72 = 7 → 11 holes

i hope this helps ♡♡♡

9 = 40 + 13
Helpppppp I need it due today

Answers

Its is equal to 9x6=53 Goodluck

the question is below thanks

Answers

Answer:

[tex]10.02[/tex] units

Step-by-step explanation:

[tex]FH = \frac{82}{360} \times 2 \pi r[/tex] (Multiplying the circumference of the circle by the arc's degree over the total degree of the circle will find the length of the arc [tex]FH[/tex])

[tex]FH = \frac{82}{360}\times 2 \pi (7)[/tex]

[tex]=\frac{82}{360}\times14\pi[/tex]

[tex]=\frac{287\pi}{90}[/tex]

[tex]=10.02[/tex] (to the nearest hundredth)

∴ The length of the arc [tex]FH[/tex] is 10.02 units to the nearest hundredth.

Hope this helps :)

Solve for x in the diagram shown.
A) 2.67
B) 4.5
C)5.625
D) 34.375

Answers

Answer: C

Step-by-step explanation:

Which of the following expressions is equivalent to the expression 42+90?


A. 6(7+14)

B.6(7+15)

C.7(6+12)

D.6(36+84)

Answers

Answer:

B

Step-by-step explanation:

6(7+15)

= 6(7) + 6(15)

= 42 + 90

:D it helps!

Solve for a
-3=a+4

I need some help today

Answers

a=-7
i’m guessing that’s what it is

99+99x=0
How to solve this please help

Answers

99 + 99x = 0

Subtract 99 from both sides:

99x = -99

Divide both sides by 99

X = -1

Answer:

[tex]x = - 1[/tex]

Step-by-step explanation:

[tex]99 + 99x = 0 \\ collecting \: like \: terms \\ 99x = - 99 \\ divide \: by \: 99 \: on \: both \: sides \\ \frac{99x}{99} = \frac{ - 99}{99} \\ x = - 1[/tex]

Help me please I don’t know it

Answers

C both of these is correct

These points are linear. Find the slope.

Answers

I think the slope would be 8. The formula to find slope is y1-y2/x1-x2 so you pick two points and then do the problem, i picked points (-2, -8) and (-3, -16) and after simplifying my answer i got 8. I may be wrong though

Write the equation for the graph below. Points (-5,1) (-4,2) (-1,3)

Answers

Answer:

Concept: Derivation of Equations

Let us find the parent graph We can tell that the equation of the parent graph is [tex] \sqrt{x} [/tex]Hence we perform a transformation moving five units to the left and one unit upSo out result equation is [tex] \sqrt{x + 5} + 1[/tex]General note, if you move to the left its positive, if you move to the right its negative.If you move upwards its positive and downwards its negative.Give brainlist

Tamara draws a tile from a bag and records the results. The bag contains tiles labeled with the letters, W, A, T, E, R, M, E, L, O, and N. Based on this information, which statement is true?

Answers

what are the statements?

Answer:

These are the statements. I need help to

Step-by-step explanation:

She is 1.5 times less likely to draw a vowel than a consonant.

She is 1.5 times more likely to draw a vowel than a consonant.

She is twice as likely to draw a consonant as a vowel.

Drawing a vowel and a consonant are equal likely.

Solve for the complimentary angle b

Answers

Answer:

b = 38

Step-by-step explanation:

The two angles form a 90 degree angle so they add to 90

b+52 = 90

Subtract 52 from each side

b+52-52 =90-52

b = 38

Answer:

38

Step-by-step explanation:

90-52=38

and the little box indicates it's a right angle which is 90 degrees

Find the x-intercept and y-intercept of the line given by the equation below. Then graph the line.
x + y = 2
X-intercept:
y-intercept:

Answers

y-intercept: (0,2)
x-intercept: (2,0)

graphed:
Y intercept: 0,2)

X intercept (2,0)

The ratio of potatoes to turnips is 3:1 if there is 75 potatoes how many turnips are there

Answers

Answer:

25

Step-by-step explanation:

let the total of potatoes and turnips be x

total ratio=1+3

=4

3÷4×x=75

3x=75×3

3x=300

x=300÷3

x=100

If it takes 3 gallons of gas to go 60 miles, how many gallons of gas does it take to go 440 miles at the same rate?

Answers

Answer:

it would take 22 gallons of gas

Step-by-step explanation:

3 divided by 60

that’s the amount of gas per single mile

then that number times 440 (number of miles you wish to go).

True or false: sometimes, a quadratic expression cannot be factored.

Answers

Answer:

true

Step-by-step explanation:

Claire currently earns $25 per hour at her work. Her boss has decided to give her a 15% raise. What is Claire's new hourly wage?

Answers

Answer:

$28.75

Step-by-step explanation:

15% of 25 is $3.75 and that + the 25 that is already there is $28.75

Answer:

$28.75

15% of $25. is $3.75....add $25.00 + $3.75= $28.75

when a load of 5 pounds is placed on a spring, its length is 6 inches, and when a load of 9 pounds is placed on the spring, its length is 8 inches. what is the average rate of change of the length of the spring as the load varies from 5 pounds to 9 pounds? give units on your answer

Answers

Answer:

Four inches every four and a half pounds

The average rate of change of the length of the spring as the load varies from 5 pounds to 9 pounds is 0.5 inches per pound.

What is average?

It is a measure of how much the function changes per unit, on average, over the given interval.

We have,

5 pounds loaded on a spring:

The length of the spring is 6 inches.

9 pounds loaded on a spring:

The length of the spring is 8 inches.

The average rate of change in the length of the spring as the load varies:

= (8 - 6) / (9 - 5)

= 2 / 4

= 1 / 2

= 0.5 inches per pound

Thus the average rate of change of the length of the spring as the load varies from 5 pounds to 9 pounds is 0.5 inches per pound.

Learn more about average rate of change here:

https://brainly.com/question/21635353

#SPJ2

Does -3/4 equal 3/(-4)?

Answers

Answer:

Yes

Step-by-step explanation:

When you're dividing 2 numbers, the order of the negatives doesn't matter. As long as one of the numbers is negative, the result will be negative. Since the order of these numbers are the same (with 3 first and 4 second) they will have the same value.

The equation y - 3x - 5 = 0 when written in slope-intercept form is:
y = 3x - 5.
y=-3x + 5.
O y = 3x + 5.

Answers

Answer:

y = 3x + 5

Step-by-step explanation:

The zero seems to be a place holder to mess you up. Just ignore that it doesn't do anything. Add -3x and -5 to the both sides to create y = 3x + 5

Well happy New Year everyone. I've been thinking about the upcoming year "2021" and found something interesting. Reduced to its prime factors it becomes 43*47. Yes, it resolves into 2 CONSECUTIVE 2 digit prime numbers, which does NOT happen that often. The last time this occurred was in 1927 (41 * 47). However these are NOT consecutive prime numbers. (There's another prime number between 41 and 47). If we go back to 1763 (41 * 43), it resolves into two 2-digit CONSECUTIVE primes AND they are TWIN primes (prime numbers with a difference of 2).


And now, here's the question: Can anyone find some interesting factorizations of upcoming years? For example, the year 2033 = 19*107 and the year 2041 = 13*157. In each case the factors are less than 10. Obviously, this is not THE most vital question, so don't spend too much time on it. (Although I've been told that a solution will finally bring about World Peace!!! ) LOL

Answers

Answer:

As 2021 and 1927 does not have any product of primes

HCF and LCM of 2020 and 1926 is shown below

Step-by-step explanation:

2020 = 2^2 × 5 × 101

1926 = 2 x 3^2 x 107

2  is the HCF

2 x 2 x 3 x 3 x 5 x 101 x 107  = 1945260

1945260 is the LCM

2022 and 1928 both have product of primes and their HCF and LCM is

1949208 is the LCF and 2 is the HCF

1949208 - 1945260 = 3948

3948/2 = 1974

2022-1928 = 94

2020 - 1926 = 94

1974/94 = 21

and brings us back to our year again.

Happy New Year to you.

For exercises 16-18 , trace each figure and draw its rotated image

Answers

The answer is r(b x p) d

Rewrite the logarithm log8(2) as an exponential expression then find the value of the logarithm

Answers

Answer:

exponential expression:

8ᵇ = 2

log8(2) = 0.333333333 or 1/3

Answer:

log8(2) = 1/3

Step-by-step explanation:

I don't know if they mean this by an exponential expression but:

set x = log8(2), then

8^x = 8^(log8(2))

By logarithmic properties:

8^x = 2.

notice that 8 = 2^3.

By exponential properties:

8^x = (2^3)^x = 2^(3x)

So 2^(3x) = 2 = 2^1.

Comparing exponents gives:

3x = 1 <=> x = 1/3.

So log8(2) = 1/3.

What is 39/20 written as decimal ?

Answers

Answer:

1.95

Step-by-step explanation:

39/20 * 5/5 = 195/100
Move decimal over 2 places
Solution: 1.95

Solve for the variable in the proportion below. Type the number only. Your answer should be a whole number.

2/4 =5/x

x =

Answers

2/4 = 5/x <=>

2x = 5*4 <=>

2x = 20 <=>

x = 20/2 <=>

x = 10

3x-4+7x-8-10x-2

Simplify

Answers

Answer:

The answer is -14

Step-by-step explanation:

P.S Can I have brainliest?

Other Questions
Which factors would act as push factors for migration?A.Low unemploymentOB.Inexpensive housingFree educationDDesertification 9. A student notices that wearing darker colors in sunlight makes him feel warmer, so he decides to conduct an experiment. He takes five pieces of differentcolored cloth and wrapseach one around a water bottle. He then places all five bottles in direct sunlight and measures the temperature of the water in each bottle an hour laterWhat is the dependent variable in this experiment?O the time he leaves it in the sunlightO the amount of water in each bottleO the color of the clothO the temperature of the water This layer of the Earth is hot,solid and made of iron what is it Which word helps readers determine when the islandbegins to move?O during I will give 20 points plz hurryaswhileRead the excerpt from Sinbad the Sailor.During the voyage we touched at several islands,where we sold or exchanged our goods. We were oneday becalmed near a small island. As its appearancewas inviting, we determined to dine upon it. But whilewe were laughing and preparing for dinner, the islandbegan to move, and at the same moment the people inthe ship called out that we were on the back of amonstrous whale. Some jumped into the boat, andothers swam to the ship; but before I could get off theanimal dived into the sea, and I had only time to catchhold of a piece of wood that had been brought fromthe ship to serve as a table.O before Please give me the correct answer PLEASE HELP ME HELP HELP HELP!!!! Question: What are two reasons this author gives for why Americans colonists should be loyal to England? Provide a quote to supporting your answer. Did you guys know...In Justin Biebers song yummy he says you make my toes curl look up the lyrics its hilarious PLEASE HELP FAST MAKE SURE YOU READ IT CORRECT I WILL GOVE BRAINLIST AND EXTRA POINTS PLEASE HELP! Muchas _____ indgenas han vivido en lo que hoy es El Salvador. what is produced inside the nucleus during transcription that make it possible to move genetic information outside the nucleus?A. DNAB. mRNA transcriptC. Proteins Choose the prime number. 25, 27, 31, 32, 44, 45 18 vocabulary words learned in 2 hours; 27 vocabulary words learned in 3 hours he has spanish class.we have a schedule.they have a lot of work.in spanish please :)) how is a paragraph structured Can someone Help Me with an Essay 750 Words Please An astronaut floating at rest in space throws a wrench in one direction and subsequently recoils back with a velocity in the opposite direction. Which of the following statements is/are true? I. The velocity of the wrench is equal and opposite to the velocity of the astronaut. Il. The momentum of the wrench is equal and opposite to the momentum of the astronaut. III. The impulse applied to the wrench is equal and opposite to the impulse applied to the astronaut a) ll and ill only b) I only II only c) I, II, and III d) I and Il only HELP PLS!!Provide the length of x What was a feature of Athenian democracy?A. Officials created laws.B. Citizens voted directly.C. Residents served on juries.D. Citizens voted for officials. Melinda is taking a tour through a new city on the tour she walk there .40 miles south 0.65 miles east 0.78 miles north 1.24 miles west then 1.20 miles south at the end of the tour what is Melinda's displacement vector Qliestion 5 (1 point)A car slows from 15.0 m/s to 5.0 m/s in 3.0s. What is the acceleration of the car?