Mathematics Middle School

6x=7-4y;x=-2,-1,0

please help i dont understand in 8th grade algerbra 1 honors

Answers

Answer 1
I believe you have to find y by plugging in x.

6(-2) = 7 - 4y
-7         -7

-12 -7 = -4y
-19 
/-4            /-4

4.75 = y
y = 4.75


6(-1) = 7 -4y
-7         -7

-13 = -4y
/-4       /-4

3.25 = y
y = 3.25


6(0) = 7 - 4y
-7       -7 

-7  = -4y
/-4    /-4

1.75 = y
y = 1.75
Answer 2

Answer:

none of ya buisness

Step-by-step explanation:

because i cant remeber

Related Questions

What is the answer for

(1/4)^-2 -(5^0 X 2) X 1^-1

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I would really recommend Photomath or Math Papa Algebra Calculator to solve these and future problems.

Simplify (-5) + (-2) - (-7) - (+9)

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-5-2+7-9 = -9

- and - make a plus :)

3 times 3/5, I need my Answer to be an improper fraction in simplified form.

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3 x 3/5 = 3/1 x 3/5= 9/5 = 1 4/5

If m is the midpoint of XY find the coordinates of x if M(-3, -1) and Y(-8, 6)

Answers

-3+-8. -11
——— = —–
2. 2

-1+6. 5
—— =. —
2. 2


answer is (-11/2 , 5/2)

What is the value of the expression 4x+y2y−x when x = 2 and y = 4?

Answers

Final answer:

To solve the expression 4x+y2y−x, we substitute the values x=2 and y=4, obtaining the result 262.

Explanation:

The question asks what is the value of the mathematical expression 4x+y2y−x when x = 2 and y = 4. To solve this, we first substitute the given values of x and y into the expression. The expression becomes 4*2 + 4²*4 - 2 = 8 + 64 *4 - 2 = 8 + 256 - 2 = 262. Therefore, the value of the expression when x = 2 and y = 4 is 262.

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8.76×106 is times than 8.76×102 .

Answers

8.76×10^6  is 10^4 times as big as 8.76×10^2

Maria read 78 pages in 3 hours. Reading at the same rate, she read 130 pages in 5 hours. Find the unit rate in pages per hour

Answers

Your answer would be 26 pages per hour.

Carlos says there are a total of 6,000 hundreds in the number 6,000,000 is carlos correct? a. yes, carlos is correct. b. no, carlos is no correct. there are exactly 600 hundred thousands in 6,000,000. c. no, is no correct. there are exactly
600 thousands in 6,000,000. d, no carlos is no correct , there are exactly 6,000,000 thousand in 6,000,000

Answers

No, there are 60,000 hundreds because 6,000,000 ÷ 100 = 60,000.
Not sure what answer choice that is because I can't really understand, sorry!

Can someone help me with this?

Answers

First:

c = [tex] \sqrt{a^{2}+b^{2} } [/tex]

We could square c to get rid of the square root.

[tex] c^{2} = a^{2} + b^{2} [/tex] 

And then subtract [tex] a^{2} [/tex] from both sides

c ^ 2 - a ^ 2 = b ^ 2

Then square root both sides 

[tex] \sqrt{ c^{2} - a^{2}} = b [/tex]

On a miniature golf course the distance from the tee to the first hole is 96 inches the distance to the second hole is 3 yards on the third tee the holes is 12 feet away which of the tees is farthest from the whole

Answers

Final answer:

After converting all distances to inches, the third tee is the farthest from the hole at 144 inches.

Explanation:

To find out which tee is farthest from the hole, we need to convert all distances to the same unit. For this problem, we will use inches, since the first distance is already given in inches.

The first hole is 96 inches away.The second hole is 3 yards away. There are 36 inches in a yard, so this is 3 yards × 36 inches/yard = 108 inches.The third hole is 12 feet away. There are 12 inches in a foot, so this is 12 feet × 12 inches/foot = 144 inches.

Comparing the distances, the third hole is the farthest away at 144 inches.

With a parrelleogram how would you find the area with a base of 4yd and a height of 1.5yd???

Answers

The area of a parallelogram is always equal to base* height, which are both given.

1.5*4= 6

Final answer: 6 yd^2

How do you write these as an algebraic expression?

Answers

For 9, we have multiplying (multiplication) of h and the sum (addition of base1 and base2). Since it doesn't say to multiply them individually, we have h*(base1+base2)

For 10, we have the surface area = 2 times pi * r^2 (the square of the radius) plus the product (multiplication) of pi, the radius, and the height =
2*(pi*r^2)+(pi*r*h)

4.07 Litre+1 1/5 litre+0.1litre= milliltre
can someone help me?

Answers

lets convert 11/5 liters to decimal fraction

11/5 = 2.2 liters = 2,200 mls
4.07 liter = 4,070 mls
0.1 liter = 100 mls

we get 

2,200 + 4,070 + 100 =    6370 milliliters

the average length of a lady bug can range from .08 to .4 inch. find 2 lengths that are within the given span

Answers

A ladybug could be 0.25 inches long, which is equivalent to 1/4 in fraction form. It could also be 0.1 of an inch long, which is 1/10.

Final answer:

To find two lengths within the given span of 0.08 to 0.4 inches for a ladybug, we can choose any two numbers between this range. For example, we can choose 0.1 inches and 0.3 inches.

Explanation:

To find two lengths within the given span of 0.08 to 0.4 inches for a ladybug, we can choose any two numbers between this range. For example, we can choose 0.1 inches and 0.3 inches. Both of these lengths fall within the given range.

What's the alphabetical order

Answers

1. punish
2.pulse
3.ultimate
4. umbrella
5. wilted

Hope this help. These were the only words I could see.
1.pulse
2.punish
3.ultimate
4.umbrella
5.wilted

Describe two quantities that can be measured accurately by integers

Answers

Since a quantity is a variable that could be described in terms of numbers, then the quantities that can be measured exactly be integers would be, say, the amount of houses to be supplied with power and the number of people in the household. A fraction could never be a possible amount, because a person and a house is counted as one whole.

Is 2.22 irrational or rational?

Answers

the answer is rational
2.22 is considered rational

I M not sure this is is right this is scientific notation
(4.18x10^-4)(9x^-4)
4.18 x 9. 10^-4x10^-4 well we add the exponents


=37.62 Which gives us 10^8
37.62 is not in scientific notion so we moves the decimal to the left which gives us 3.762 we add 1 to the. The exponent which gives us 10^9
3.762 x10^9 is this right

Answers

(4.18 × 9) = 37.62
10^-4 × 10^-4 = 10^-8
Then since you need to move the decimal over to make it in scientific notation, you add 1 to the 10^-8 , then you get 10^-7. The problem in scientific notation is 3.726×10^-7.

The correct scientific notation is 3.762x10⁻⁷.

What is a scientific exponent?

In scientific notation, a number is made up of a coefficient  and an exponent.

Given that  (4.18x10⁻⁴)(9x10⁻⁴).

4.18x9=37.62

10⁻⁴x10⁻⁴=10⁻⁸

So, the answer is 37.62x10⁻⁸. To obtain scientific notation the decimal moves to the left which gives 3.762x10⁻⁷.

Hence, 3.762x10⁻⁷ is the correct scientific notation.

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Anybody knows this one

Answers

You are right. It’s 1/9
the solution is 1/9.

3^-4 x 3^2= 3^-2= 1/9

I need to know what irrational is closest to the square root of 9

Answers

9 is the sqrt of 81
So, the closest one to 81 is 79

Hope this helped!
To determine what irrational number is closest to square root of 9, simply round each of the values in the options or estimate to the typical square root, and you can see that square root of 18 is 3 square root 2, so that is very close to square root 9.

How many pieces of 8 1/2 by 11 inches of paper can be cut from 1000 square inches

Answers

Hello i am new here how are you doing

eight less than a number s is three more than four times a number t. solve for s

Answers

The solution is s = 4t + 11.

Let's translate the problem into an equation:

s - 8 = 4t + 3

Now we can solve for s by adding 8 to both sides of the equation:

s = 4t + 3 + 8

Finally, we can simplify the equation by combining the constant terms:

s = 4t + 11

Therefore, the solution is:

s = 4t + 11

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Zabato is thinking of a number. Three times the sum of the number and ten is the same as eight times the number. What is his number??

Answers

I believe this is it.

The area of each square is 16 square units. Find the perimeter of the figure.

Answers

You have to add 16 to find the perimeter
the formula for area is A=LxW, so to get 16 the sides would have to be 4. to get the perimeter you have to add up all of the sides, so it would be 4+4+4+4=16. your perimeter is 16...

Harry has decided to give his collection of 24 old coins to his four grandsons. John, the oldest, gets half the collection. Walt, Matt, and Richie will divide the remaining coins evenly among themselves. How many coins will each boy receive?

Answers

Each boy will get 4 coins because 24 in half is 12 and divide by 3 equals 4

Answer:

John will get 12, Walt, Matt, and Richie will get 4 each.

Step-by-step explanation:

Half of 24 is 12 and  12÷3=4

A plumber has a 50 foot piece of PVC pipe. how many 9/5 foot pieces can be cut from the 50 foot piece?

Answers

Answer:

[tex]27\frac{7}{9}\approx 27[/tex] pipes.

Step-by-step explanation:

We have been given that a plumber has a 50 foot piece of PVC pipe. We are asked to find the number of 9/5 foot pieces of pipes that could be cut from the 50 foot piece.

To find the number of 9/5 foot pieces of pipes, we will divide total length of PVC pipe by 9/5 foot.

[tex]\text{Number of 9/5 foot pieces of pipes}=50\div \frac{9}{5}[/tex]

Convert to multiplication problem:

[tex]\text{Number of 9/5 foot pieces of pipes}=50\times \frac{5}{9}[/tex]

[tex]\text{Number of 9/5 foot pieces of pipes}=\frac{250}{9}[/tex]

[tex]\text{Number of 9/5 foot pieces of pipes}=27\frac{7}{9}[/tex]

[tex]\text{Number of 9/5 foot pieces of pipes}\approx 27[/tex]

Therefore, the plumber can make [tex]27\frac{7}{9}\approx 27[/tex] pipes.

28 of the  [tex]\frac{9}{5}[/tex] foot pieces can be cut from the 50 foot piece.

Given the following data;

Total length of PVC pipe = 50 footRequired length of PVC pipe = [tex]\frac{9}{5}[/tex] foot

In this exercise, you're required how many  [tex]\frac{9}{5}[/tex] foot pieces can be cut from the 50 foot piece. To do this we would divide the 50 foot piece of PVC pipe by [tex]\frac{9}{5}[/tex].

[tex]50[/tex] ÷ [tex]\frac{9}{5}[/tex] = [tex]\frac{50}{\frac{9}{5}}[/tex]

Simplifying the equation, we have;

[tex]\frac{50 \;X \;5}{9}[/tex]

[tex]\frac{250}{9}[/tex]

Number of pipes = 27.77 ≈ 28 pipes.

Therefore, 28 of the  [tex]\frac{9}{5}[/tex] foot pieces can be cut from the 50 foot piece.

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jasmine wants to organize her books in order of most number of pages to least number of pages. Jasmine's longest book has 396 pages and her shortest book has one-fourth as many pages as the longest. If the book in the middle of her shelf has three times the number of pages of the shortest book then how many pages does the middle book have?

Answers

Longest book: 396 Shortest book: 1/4×396=99 Middle book: 3×99= 297
 
If the book in the middle of her shelf has three times the number of pages of the shortest book then how many pages does the middle book have?
Answer: 297

Solve the inequality -7+2x<_1 where x equals an integer. (How do you get the answer?)

Answers

Assuming that the <_ means ≤, we can add 7 to both sides, to get 2x≤8. Dividing both sides by 2, we get x≤4

Which set is ordered greatest to least?

Answers

16% = 0.16

1/6 = 0.16666

1.6x10^6 = 1600000

0.166 = 0.166

order from greatest to least:

1.6x10^6, 1/6, 0.166, 16%


Answer is D

Math help please asap im begging you

Answers

4. Substitute for y
x+(2x+2)=-3
3x+2=-3
3x=-5
x=-5/3

Plug the x value in
y=2(-5/3)+2
y=-10/3+2
y=-4/3

Final answer: B

5. 3x+4=3x+7. There are no solutions since they are parallel (same slope) but different y intercepts (not coinciding).
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