hayleegirl1996oyz7p0 hayleegirl1996oyz7p0

06-11-2017
Mathematics

contestada

A lot is 21 ft by 30 ft. To support a fence, an architect wants an upright post at each corner and an upright post every 3 ft in between. How many of these posts are needed?

Respuesta :

06-11-2017

What we know:
Lot= 21 x 30ft
Perimeter=2l+2w
Want to put 4 corner post and one post every 3 ft

What we need to find:
How many post we need.

Perimeter=2 (21)+2 (30)=42+60=102ft

102/3=34

34 posts are needed.

Answer Link

Otras preguntas

Please answer this correctly without making mistakes

Look at the karyotype. Which chromosome has an extra copy? A. 2 B. 20 C. 18

Question A mountain road rises 10 feet for a 494-foot run. What is its slope? Enter a fraction. Provide your answer below:

gavin and play a game with 20 numbered balls. The 20 balls are numbered from 1 to 20. Write down the probability that the score is a multiple of 3.

What is the main difference between acne vulgaris and acne rosacea? a. Acne rosacea is a result of an infection and can be treated with antibiotics, while vulga

Water that is dense will float while water that is less dense will sink. True or false ?

PLS HELP!! WILL GIVE BRAINLIEST!!! >.< Write one function for each house to describe the value of the house f(x), in dollars, after x years.

Please help with this question!

Given the sequence of the dna "AAC TGC CCT" create the complementary mRNA strand. (Use base pairing rules for DNA to RNA)

The agile shortstop fielded the ball. Which word is an adjective? agile ball shortstop fielded