I need help need it done in 20 minutes will give 20 points each

Answer:

Next plug the y into the second equation to solve for x

Now we know x and we can plug into the original equation (1)

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Answer:

Rearrange:

Rearrange the equation by subtracting what is to the right of the equal sign from both sides of the equation :

                    6*x-6*y-(18)=0  

STEP

1

:

Pulling out like terms

1.1     Pull out like factors :

  6x - 6y - 18  =   6 • (x - y - 3)  

Equation at the end of step

1

:

STEP

2

:

Equations which are never true:

2.1      Solve :    6   =  0

This equation has no solution.

A a non-zero constant never equals zero.

Equation of a Straight Line

2.2     Solve   x-y-3  = 0

Tiger recognizes that we have here an equation of a straight line. Such an equation is usually written y=mx+b ("y=mx+c" in the UK).

Step-by-step explanation:

x= 1 y= 1

hope am right if i am, pls brainliest

A researcher comparing the means of dependent samples consisting of 30 matched pairs and obtained a mean difference of 5 and a standard error of the mean difference of 2. The confidence interval for the mean difference was (1.6, 8.4). What confidence level was used in constructing the interval

(4 points) A tank initially contains 50 gallons of brine, with 30 pounds of salt in solution. Water runs into the tank at 6 gallons per minute and the well-stirred solution runs out at 5 gallons per minute. How long will it be until there are 25 pounds of salt in the tank

Sin(0)= cos(6) what is the value of 0?

Samuel rode his bicycle down the street. The distance he traveled in time was recorded. What equation best represents the data in the table?

y = -5x + 10
y = 5x
y = 5x + 10
y = -5x

(-8x + 2) + (-5x + 7)

Estimate the sum.

10 1/9 + 5 14/15

What is the major difference between mutual funds and certificates of deposit? How are mutual funds and certificates of deposit alike? What is the major difference in bonds and treasury notes, and which would you prefer as an investor? How are bonds, treasury notes, mutual funds alike?

Help me please thank you so much if you did

Are the ordered pairs below an arithmetic sequence or geometric
sequence?
(1,55)
(2, 45)
(3, 35)
(4, 25)

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What is the sale price of a grandfather clock originally priced at $120?

What is 6 pounds equal to in ounces?

A bouquet of flowers contains 46 flowers and half of them are roses. How many of the flowers are not roses? *
can someboby plz help

Jonas earns tips serving customers in a restaurant. He uses a certain method to correctly determine a tip of 20% of the cost of a meal. If c is the cost of a meal, which of the following can be the method Jonas uses?
A.
Move the decimal point two places to the right, and then double that amount.
B.
Move the decimal point one place to the right, and then double that amount.
C.
Move the decimal point two places to the left, and then double that amount.
D.
Move the decimal point one place to the left, and then double that amount.

What’s the measure for x

X^2 + 1/2x + _ =2 + _

Multiply. (2.1 X 10/2) X (3.5 X 10/5)

Hi guys how are you I am new to brainly I really need help please don’t wanna fail please help

Consider the equation 2(3x + 4) = ax + b
Part 1
Find one value for a and one value for b so that the equation has infinitely many solutions.

For the value of a you determined above what is the value for b so that the equation has infinitely many solutions

Support your answer. Explain your reasoning

Part 2
Find one value for a and one value for b so that the equation has no solution.

Find the value of a you determined above what is the value for b so that the equation has no solution.

Support your answer explain your reasoning.

1. Is an arithmetic sequence a function?
Sometimes, it depends on the arithmetic sequence.
Yes, always.
Not enough information is given.
No, never

Is (x + 5) a factor of f(x) = x3 − 4x2 + 3x + 7?

A restaurant sells coffee refill mugs for $5.75. Each refills
costs $1.50. Last month James spent $24.50 on mug and refill
Write an equation you can find the number of refills James bought.
Let, r, represent the number of refills.

what is the sum of the fractions?
3/8+1/6

Question
You flip a coin 10 times and get heads 6 times. Based on this experiment, what is the probability of flipping a coin and
getting heads?
Select the correct answer below:
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What is the value of y in the solution to this system of equations?
4x - 2y = 14
3x + y = 3
Ay = 3
By=-2
C y = 2
Dy=-3

In the context of a hypothesis test for two proportions, which of the following statements about the pooled sample proportion, , is/are true? I. It estimates the common value of p1 and p2 under the assumption of equal proportions. II. It is obtained by averaging the two sample proportions 1 and 2. III. It is equal to the proportion of successes in both samples combined.

Order the following expressions by their values from least to greatest.

PLEASE ANSWER NOW FOR TESTT!!!

Complete the congruence statement by naming the corresponding angle or side.
50 Points

SOMEONE PLEASE HELP NOW ILL GIVE YOU A EAST 11 POINTS


What is the value of the expression 2106÷162?

6
The formula for the volume of a cylinder is as follows, where V is the volume of the cylinder, r is the radius of the base, and l is the length of the cylinder.

V=\pi r^2lV=πr
2
l

Solve for l in terms of V and r then find the length of a cylinder that has a volume of 1256 cubic inches and whose base has a radius of 7 inches. Round your answer to the nearest tenth of an inch; use 3.14 for π.

2 3/8 x 1/2 PLEASE ILL GIVE BRAINLIEST

Which is the correct answer?

A. Function f is both even and odd

B. Function F is odd


C. Function f is neither even or odd


D. Function f is even




(Please explain your answer)​