For the following system, if you isolated x in the second equation to use the subsition method, what expression would you subsitute into the first equation?

2x + y = 8
-x - 3y = -12

A. 3y + 12
B. -3y + 12
C. 3y - 12
D. -3y - 12​

Answers

Answer 1
A.3y+12

i think so,or maybe D or B

Related Questions

65% humans body volume is made of water. How meny kilograms water is in humans body whos weight is 100kg?

Answers

Answer:

65kg.

Step-by-step explanation:

65 divided by 100 is 0.65, and then you change the 0.65 to 65kg. It's that easy!

Put the correct answer for but if I check the answer and the answer is wrong then i´m going to report you!

Answers

The answer should be 400 - 21s= 232

Answer:

It’s C

Step-by-step explanation:

Why because it’s is

Dream should do a facial revile

no links plz help
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Answers

Answer:

the answer is essentially d

A basket has 6 bananas, 2 oranges and 4 apples. What is the probability of pulling out an apple?

Answers

I think it's 8 but I'm not completely sure. What I did is 6+2+4 which is 12 and 12-4=8 but I'm not sure. I think it's wrong sorry I just need points..

Which statement best describes a characteristic of a CD (certificate of deposit)
account?

A. A CD has a predetermined time limit before a withdrawal can be made.
B. A CD is as flexible as a regular savings account but with higher interest
rates.
C. A CD allows for more withdrawals than a money market account.
OD. A CD features withdrawal minimums that are less than the account balance.​

Answers

Answer:  A.) A CD has a predetermined time limit before a withdrawal can be made.

Hope this helps :)

A CD has a predetermined time limit before a withdrawal can be made is the statement best describes a characteristic of a CD.

What is Deposit?

A deposit is the act of placing cash with some entity, most commonly with a financial institution, such as a bank

A CD has a predetermined time limit before a withdrawal can be made.

This is the best statement that describes a characteristic of a CD (certificate of deposit) account.

A CD is a type of savings account that requires the depositor to commit to leaving their funds in the account for a predetermined period of time, called the term or maturity.

During this time, the funds are locked in and the depositor cannot withdraw them without incurring a penalty.

This makes a CD less flexible than a regular savings account but typically offers higher interest rates.

CD accounts do not usually allow for more withdrawals than a money market account, and there are no withdrawal minimums that are less than the account balance.

Hence, A CD has a predetermined time limit before a withdrawal can be made is the statement best describes a characteristic of a CD.

To learn more on Deposit click:

https://brainly.com/question/22697743

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help me plsss i need help

Answers

Answer:

1. = 2/3

2. = 5/7

3. = 2/3

Step-by-step explanation:

divide by 4 for 1

divide by 2 for 2

divide by 2 for 3

Please help. I don’t understand the question.

Answers

9514 1404 393

Answer:

  -21, 13

Step-by-step explanation:

If Z is located to the right of Y, its point on the number line is -4+17 = 13.

If Z is located to the left of Y, its point on the number line is -4-17 = -21.

There are two possible locations for Z on a number line.

_____

In a 2-dimensional plane, there are an infinite number of locations of distance 17 from a given point. The set of all of them makes a circle on the plane, with radius 17.

In 3-dimensions, the set of points becomes a sphere with radius 17.

4. The pet store usually sells 12 puppies every 9 days. At this rate, how long will it take
them to sell 174 puppies?

Answers

Answer:

Approximately 131 days

Step-by-step explanation:

Let the store will take x days to sell 174 puppies.

Since, there is a relation of direct proportion between the puppies sold and number of days.

So,

[tex] \frac{12}{9} = \frac{174}{x} \\ \\ x = \frac{174 \times 9}{12} \\ \\ x = \frac{1,566}{12} \\ \\ x = 130.5 \: \\ \\ x \approx \: 131 \: days[/tex]

In AFGH, the measure of ZH=90°, the measure of ZF=44°, and GH = 14 feet. Find
the length of HF to the nearest tenth of a foot.

Answers

Answer:

In AFGH, the measure of ZH=90°, the measure of ZF=44°, and GH = 14 feet. Find the length of HF to the nearest tenth of a foot.​ - 22536102.

Step-by-step explanation:

Can someone please help me find the perimeter of the figure, and round it to the nearest hundredth.

Answers

Answer:

perimeter = 40.57 in

Step-by-step explanation:

perimeter of circular = π(diameter) = π8 = 25.13 in

25.13/2 = 12.57 in      (divide by 2 for half-circle)

12.57 + 10 + 8 + 10 = 40.57 in

HELP ME PLEASE I CAN'T FAIL THIS!!!

To find the distance AB across a river, a distance BC of 319 m is laid off on one side of the river. It is found that B = 104.6° and C = 14.4°. Find AB.

Answers

Answer:

90.70464953m

Step-by-step explanation:

Look at the image

A computer password contains six characters but does not permit repetition of any characters (either letters or numbers). If uppercase and lowercase letters are used, how many possible passwords are there?

Answers

Answer:

[tex]\frac{62!}{56!}[/tex]

Step-by-step explanation:

We can either look at all 62 characters (2 * 26 in the alphabet and 10 digits), choose 6 of them, and add the fact that we care about their order - so multiply by 6! and we get [tex]\binom{62}{6}\cdot 6! = \frac{62!}{6!\cdot 56!} \cdot 6! = \frac{62!}{56!}[/tex]

Or, we can look atr all the permutations of all the characters and take into account that we DON'T care about the order of the 56 after the first six. Getting [tex]\frac{62!}{56!}[/tex] immediately.

NO LINKS PLEASE

Which algebraic rule represents the pattern in the table?

Answers

multiplying each number by 8

Answer: n=m divided by 8

Step-by-step explanation:

The area of a square is 1800 in2, how long is each diagonal?

Answers

9514 1404 393

Answer:

  60 in

Step-by-step explanation:

The area of a square can be computed as ...

  A = (1/2)d^2 . . . . where d is the length of the diagonal

For an area of 1800 in^2, the diagonal length can be found as ...

  1800 in^2 = 1/2d^2

  3600 in^2 = d^2

  d = √3600 in = 60 in

The length of each diagonal is 60 inches.

If there are 45 boys and 60 girls in a room, fill out all of the possible ratios of boys to girls that could be made.

Answers

Answer:

45:60

45 to 60

45/60

Step-by-step explanation:

it's the 3 different types of ways to write a ratio

Find the probability of each event.
1) An archer has a 25% chance of hitting the
bullseye on a target. What is the
probability that the archer will hit the
bullseye exactly three out of five times?

Answers

Answer: Don’t listen to the other comment it’s a scam. It’s 15 percent. Or 0.15

Step-by-step explanation:

find the value of" A" such that triangle DEF with vertices D (a,1) , E(10,7) and F(7 ,11) is a right angle at E?​

Answers

a=2

Answer:

(m1) slope of DE=(7-1)/(10-a)=6/(10-a)

(m2) slope of EF=(11-7)/(7-10)=4/-3=-4/3

since line are perpendicular

m1m2=-1

6/(10-a) ×-4/3=-1

6/(10-a)=3/4

6×4=3(10-a)

24=30-3a

3a=30-24

a=6/3=2

7. Find the volume of the hemisphere if the dimeter is 18mm. Round to the nearest
tenth.

Answers

Answer:

20

Step-by-step explanation:

This answer is 20!!!!!

Draw regular polygons with the given number of sides. Then find the measure of one interior and exterior angle in each polygon. (For the drawing of regular polygons use bond paper or pad paper)
Measure of Interior /s Measure of Exterior /s
1. 4 sides __________________ _________________
2. 5 sides __________________ _________________
3. 8 sides __________________ _________________
4. 10 sides __________________ _________________
5. 12 sides __________________ _________________
pa help po ako

Answers

Answer:

1) 90 90

2) 108 72

3) 135 45

4) 144 36

5) 150 30

Need some help with this one

Answers

Answer:

17.5 ft

Step-by-step explanation:

Given

[tex]Ladder = 18ft[/tex]

[tex]\theta = 76[/tex]

Required

The height which the ladder reaches on the wall

The question is illustrated with the attached image (solve for x).

Using sine formula, we have:

[tex]\sin(76) = \frac{x}{18}[/tex] --- i.e. sin = opposite/hypotenuse

Make x the subject

[tex]x = 18 * \sin(76)[/tex]

[tex]x = 18 * 0.9703[/tex]

[tex]x = 17.4654[/tex]

Approximate

[tex]x = 17.5[/tex]

Baby Audrey weighed 6 pounds 12 ounces at birth. Convert her weight to ounces

Answers

Answer:

108 is the answer I think

Answer:

108 ounces

Step-by-step explanation:

6 pounds= 96 ounces

96+12= 108

Can somebody please help me!!

Answers

Step-by-step explanation:

it is in the picture that I have provided

Pls help I need a good grade

Answers

Answer:

If it is number 5. the answer is 13

Step-by-step explanation:

take the largest number and subtract the smallest number.

Answer:

13

Step-by-step explanation:

highest number is 60

lowest number is 47

60-47=13

.. Is the product of (-2.1)(3.7)(8)(4.5) positive or negative?*

Answers

Answer:

negative

Step-by-step explanation:

(-2.1)(3.7)(8)(4.5)= -279.72

Daily Distance Larry Biked (Km)

3 5 12 2 1
8 5 8 6 3
11 8 6 4 10
10 9 6 6 6
5 2 1 2 3
What was the most common Distance Larry Bike?help please

Answers

Answer:

The most common distance that Larry biked was of 6 Km.

Step-by-step explanation:

The most common distance that Larry biked is the number, in Km, which appears most frequently in this table.

The number which appears the most frequently is:

6 km

This means that the most common distance that Larry biked was of 6 Km.

-3 < 5 true or false

Answers

Answer:

true

Step-by-step explanation:

Answer:

true?

Step-by-step explanation:

Is 40/25 equivalent to 32/20

Answers

Answer:

Yes, 40/25 is equivalent to 32/20.

Answer:

Yes

Step-by-step explanation:

Find a common denominator, so you could do 100. Multiply 40/25 by 4 to get 160/100. Then to get the other denomination to 100 multiply by 5, so 32/20 = 160/100

someone please help me answer this!!

Answers

-8.425 is the answer! Have a good day.

Answer:

-8.425

Step-by-step explanation:

-8 17/40

= -8 + -0.425 (Remember that this is negative)

= -8.425

Hope you understand this one too!

7. Which of the following number has a rational root?
A V322
V324
B. 7323
D. 7325​

Answers

Answer:

Step-by-step explanation:

Prime factorize the number. Only 324 can be factorized.

[tex]\sqrt{324}=\sqrt{2*2*3*3*3*3}=2*3*3=18[/tex] is rational number

According to genetic theory, the blossom color in the second generation of a certain cross of sweet peas should be red or white in a 3:1 ratio. That is, each plant has probability 3/4 of having red blossoms, and the blossom colors of separate plants are independent. Using the Binomial distribution, what is the exact probability that more than 7 out of 10 these plants have red blossoms

Answers

Answer:

The answer is "0.250".

Step-by-step explanation:

Given:

[tex]P(X=7) \\\\ n=10\\\\ p=0.75\\\\x \sim Binomial (n = 10, p = 0.75)\\[/tex]

[tex]P(X=7) =\binom{n}{x} P^{x} (1-p)^{(n-x)} \\\\[/tex]

                [tex]= \binom{10}{7}(0.75)^7(1-0.75)^{10-7} \\\\=120 \times (0.75)^7 \times (0.25)^3\\\\=0.250[/tex]

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