Y/7=4 I need help on this one

Answers

Answer 1

Answer: I'm assuming that you are trying to solve the equation for y, which we can do by isolating the variable on one side of the equation.

y/7 = 4

To get rid of the denominator of y, we have to multiply both sides by this amount (7).

(y/7)*(7) = (4)(7)

When we simplify, we get:

y = 28

If we go back to the original equation and plug in our answer, 28/7 = 4, we can see that it results in a true statement.

Therefore, the answer is y=28.

Answer 2

Answer: $(y)/(7)$ = 4

To isolate y, we need to multiply either sides by 7 to cancel out the fraction.

$(y)/(7)$ × 7 = 4 × 7
7 and 7 cancels out

y = 28

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what does perpendicular mean

Answers

"Perpendicular" is a description of the relationship between two lines,
two planes, or a line and a plane.

They are perpendicular if they form right angles (90 degrees) where they cross.

-- The little lines in the 'plus' sign ( + ) are perpendicular.
-- the fllag-pole is perpendicular to the ground.
-- The wall is perpendicular to the floor.
-- The door is perpendicular to the floor.
-- The door is only perpendicular to the wall when it's wide open.
If it's only open a little bit, then it's still perpendicular to the floor,
but not to the wall.
-- Your legs are perpendicular to the floor when you're standing up.

At a right angle, like the perpendicular height of a parallelogram is the height line straight up at a right angle from the bottom.

Write 7/10 as a sum of fractions two different ways.

Answers

$(1)/(10) + (6)/(10) = (7)/(10) \n \n (2)/(10) + (5)/(10) = (7)/(10) \n \n (3)/(10) + (4)/(10) = (7)/(10)$

some fun

$(7)/(10) = (14)/(20) \n \n (9)/(20) + (5)/(20)$ $(14)/(20) = (7)/(10)$

$(7)/(10) = (21)/(30) \n \n (8)/(30) + (13)/(30) = (21)/(30) = (7)/(30)$

7/10 is equal to 3/10 plus 4/10

And

7/10 is equal to 5/10 plus 2/10,

If 1,090 ducks swim in a pond and 286 swim away how many are left

Answers

Answer:

804

Step-by-step explanation:

1,090-286=804

-4x-2y=-12 4x+8y=-24

Answers

Answer:

$x=6\n \ny=-6$

Step-by-step explanation:

Given the system of two equations:

$\left\{\begin{array}{l}-4x-2y=-12\n \n4x+8y=-24\end{array}\right.$

Add these two equations (left side add to left side and right side add to right side):

$-4x-2y+4x+8y=-12+(-24)\n \n-2y+8y=-12-24\n \n6y=-36\n \ny=-6$

Substitute $y=-6$ into the first equation:

$-4x-2\cdot (-6)=-12\n \n-4x+12=-12\n \n-4x=-12-12\n \n-4x=-24\n \nx=6$

Why are the equations w - x + x = w and w + x - x = w called identities?

Answers

They are indentical because the only thing that switched was the addition sign, and subtraction sign. If you look closely.

Identities have the same solution, and they are also called 'infinities'. That is because they include many solutions.

4 15/16 as a decimal

Answers

Hey there, 15/16 as a decimal is 0.9375, and all you do is add the 4 to 0.9375 and the decimal will become 4.9375. Therefore, 4 15/16 as a decimal is 4.9375

Final answer:

To convert a mixed number to a decimal, divide the fraction part and add it to the whole number.

Explanation:

To convert a mixed number to a decimal, you need to convert the fraction part to a decimal and then add it to the whole number. In this case, the mixed number is 4 15/16. To convert the fraction 15/16 to a decimal, divide the numerator (15) by the denominator (16). The result is approximately 0.9375.

Next, add the decimal 0.9375 to the whole number 4. The sum is 4.9375.

Therefore, 4 15/16 as a decimal is approximately 4.9375.

Learn more about Converting mixed numbers to decimals here:

brainly.com/question/36035741

#SPJ11

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