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2 years ago

What is the simplified value of the expression below?

Mathematics

1 answer:

Juliette [100K]2 years ago

5 0

The simplified value of 12.4 x (negative 6.3) is -78.12

<h3>How to simplify the expression?</h3>

The expression is given as:

12.4 x (negative 6.3)

Rewrite properly as:

12.4 x (-6.3)

Evaluate the product using a calculator

-78.12

Hence, the simplified value of 12.4 x (negative 6.3) is -78.12

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3 years ago

Is 2/3 greater than 7/8

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4 years ago

a rectangle has perimeter 24 m. express the area a of the rectangle as a function of the length, l, of one of its sides.

Trava [24]

The Expression for the Area a of the rectangle as a function of length L is given by A(L) = 12L - L^2 .

Let,

length, L, and the width, W, are components that help determine the area, A, and the perimeter, P of the rectangle. These are given by the following equations

A=LW

P=2L+2W

Given,

Perimeter of the Rectangle = 24m.

We are asked to express the perimeter of the rectangle as a function of the length, L, of one of its sides.

We will first set up the equation of the Perimeter of the rectangle. We can let the width of the rectangle be W.

P = 2L+2W

24 = 2L+2W

12 = L+W

W = 12-L

Since we want to express the Area as a function of L, we have to find the value of W in terms of L. This is so we can eliminate the width in the equation for the Area. The Area as a function of L is as follows.

A(L, W) = LW

A(L) = L(12-L)

A(L) = 12L-L^2

Therefore, the Area as a function of L is given by A(L) = 12L-L^2.

To know more about "Area"

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https://brainly.in/question/35108030?referrer=searchResults

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2 years ago

Which of the following relations is a function?

trasher [3.6K]

Answer:

a{(1, 3), (2, 3), (4,3), (9,3)}

Step-by-step explanation:

For the relation to be a function, each x can only go to 1 y

a{(1, 3), (2, 3), (4,3), (9,3)}

function

b{(1, 2), (1, 3), (1, 4), (1,5)}

x=1 goes to 4 different y's so not a function

c{(5, 4), (-6, 5), (4, 5), (4, 0)}

x=4 goes to 2 different y's so not a function

d{(6,-1), (1,4), (2, 3), (6, 1)}

x = 6 goes to 2 different y's so not a function

5 0

4 years ago

Read 2 more answers