What is the diagonal of a rectangle with length 48 inches and width 40 inches?

Answers

Answer 1

Answer: Use the Pythagorean Theorem: $a^2 + b^2 = c^2$
You can do this because when you cut the rectangle in half with the diagonal, it forms a right triangle, making the diagonal the hypotenuse (c).

$40^2 + 48^2 = c^2$

$1600 + 2304 = c^2$

$3904 = c^2$

$√(3904) = √(c^2)$

$62.48 = c$

Diagonal: 62.48 inches

Answer 2

Answer: i think its D=w2+l2=402+482≈ 62.482in

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Simplify this;
what is -2x + x?

Answers

Answer:

-x

Step-by-step explanation:

Note that when there is a standalone variable (such as the x in this example), it typically actually means 1x. (If it is -x, it will be -1x.) However, you do not write 1 in front, as it is presumed.

Subtract the coefficient of each terms:

1x - 2x = -1x

-x is your simplified form.

Answer is -x

• If a term doesn’t have a coefficient is considered that the coefficient is 1
-2x + 1x
• collect like terms by calculating the sum of the coefficients
(-2 + 1)x
• Write the sum
-1x
• The coefficient negativeone doesn’t have to be written but the sign remains
-x

What is the answer to -4-8×+2-15

Answers

-25x because you negative four then subtract 8x then add 2 then subtract 18 then equals to -25x

Label the place value 9 is in 7854.209

Answers

Thousandth ( Tth )
The reason is just because of the place value laws.

The volume of a box(V) varies directly with its length(l). If a box in the group has a length of 25 inches and k = 15, what is its volume? 375 cubic inches
455 cubic inches
1 2/3 cubic inches

Answers

The problem says that V(x)varies directly with its length. This is a proportionality problem. So, V(x) =kl. If you are given a length of 25 inches and a k (proportionality constant)of 15, you are required to find its volume V(x).

V(x) = kl
V(x) = (15) (25 inches)
V(x) = 375 cubic inches

The volume of the box is 375cubic inches.

Solve for the value of x

Answers

Answer:

3.2

Step-by-step explanation:

9.6 divided by 3 is 3.2

Which of the following is another way to express the equation 16 = -9 + z?

Answers

Since you didn't give the options, we'll answer In steps and you can pick which step you have as an answer choice...

16 = -9 + z

Add 9 to each side for

16 + 9 = z (that's one option)

Add like terms for

25 = z (there's another)

You could also go a whole different route and take the original equation

16 = -9 + z

subtract z from each side for

16 - z = -9

Any of those would be another way to express the equation.

Answer:

16 = -z - 9

Step-by-step explanation:

umm yeh hope this helps?

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