3 years ago

The length of a rectangle is 5m longer than its width.

Mathematics

1 answer:

Alex73 [517]3 years ago

3 0

Step-by-step explanation:

P = 2(L + B ), but L = B + 5. so,

P = 2(B+ 5 + B ), B = 16 & L = 21.

You might be interested in

What is the factorization of 81a6 - 100? (9a2 − 10)(9a3 + 10) (9a2 − 10)(9a3 − 10) (9a3 − 10)(9a3 + 10) (9a3 − 10)(9a3 − 10)

pychu [463]

Answer:

(9a³ − 10)(9a³ + 10)

Step-by-step explanation:

Difference of squares

(9a³ − 10)(9a³ + 10)

4 0

3 years ago

Betty had $40 in her pocket. She bought 12 identical bags of popcorn. Betty was left with $10 after buying the popcorn. What was

ser-zykov [4K]

$40-$10=$30, so Betty spent $30 on the 12 packets of popcorn. This means that we need to share the $30 by 12 to find out how much each packet had cost. $30÷12=$2.50. Therefore, your answer is $2.50.

5 0

3 years ago

Read 2 more answers

A square pyramid has a volume of 20 cubic feet and a base length of 5 feet. What is it's height?

erastova [34]

Answer:

The height of the pyramid is $2.4\ ft$

Step-by-step explanation:

we know that

The volume of a square pyramid is equal to

$V=\frac{1}{3}b^{2}h$

we have

$V=20\ ft^{3}$

$b=5\ ft$

substitute and solve for h

$20=\frac{1}{3}(5)^{2}h$

$60=(25)h$

$h=60/(25)=2.4\ ft$

5 0

3 years ago

If AABC = ADEC,<br> ZB = 3x and ZE = 6x - 39

Tom [10]

Answer:

x = 13

Step-by-step explanation:

3x = 6x - 39 solve for x

8 0

3 years ago

Help with this please

klasskru [66]

53 Degrees
53 Degrees

5 0

3 years ago

Read 2 more answers