All categories

2 years ago

The length of a rectangle is "a" inches and the width is 3 inches more than its length. find the perimeter and the area

Mathematics

1 answer:

Alex73 [517]2 years ago

7 0

Answer:

Step-by-step explanation:

Givens

Length = a

Width = a + 3

Formulas

P = 2L + 2w

Area = L * w

Solution

Perimeter

P = 2L + 2w

P = 2*a + 2(a + 3) Remove the Brackets

p = 2a + 2a + 6 Combine

P = 4a + 6

Area

Area = L * w

Area = a (a + 3)

Area = a^2 + 3a

You might be interested in

In math what are 3 ways numbers are related

zheka24 [161]

Answer:Recognise three numbers that are related through the operations of addition and subtraction.

Recognise that there are two related addition and two subtraction equations in a 'family of facts'.

Write and read sets of related addition and subtraction equations.

Step-by-step explanation:that is all

5 0

3 years ago

Hello! :)

lesya [120]

Answer: the triangles are congruent

Step-by-step explanation: if u add up all the angles u get 180 so all angles are congruent

5 0

3 years ago

Superwoman takes 4 hours to travel 26 miles running if she runs at the same rate how far will superwoman run in 7 hours

Dominik [7]

Answer:

(26/4)*7=45.5 miles

Step-by-step explanation:

6 0

3 years ago

Shea wrote the expression 5(y+2)+4 to show the amount of money five friends paid for snacks at a baseball game.Which espression

zhenek [66]

Answer: Algebraic linear expression

Step-by-step explanation:

An algebraic expression in mathematics is an expression built up from integer constants with

unknown variables, and the algebraic operations. For example, 6x² − 2xy + 20 is an algebraic expression which is quadratic in nature.

The general formular for algebraic linear expression is Y - MX - C

6 0

3 years ago

This pair of figures is similar. Find the missing side.

blondinia [14]

Answer:

Step-by-step explanation:

Since 10x4=40, and 14x4=56, then all you have to do is multiply 3 by 4, to get 12.

8 0

3 years ago

Read 2 more answers