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andrew-mc [135]

3 years ago

8

A building across the street casts a shadow that is 24 feet long. your friend is 6 feet tall and casts a shadow that is 4 feet l

ong. what is the hieght of the building

1 answer:

julsineya [31]3 years ago

3 0

I think the answer would be 12

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Area of a triangle is given by the formula A=1/2 bh. The area of the triangle shown to the right is 56 sq. units. Find its base

Westkost [7]

Given

base=2x+6
height=x+4

and
area=56 square units

56=1/2 times (2x+6) times (x+4)
times bot sides by 2
112=(2x+6)(x+4)
expand
112=2x²+14x+24
divide both sides by 2
56=x²+7x+12
minus 56 both sides
0=x²+7x-44
factor
waht 2 numbers mulitply to get -44 and add to get 7
11 and -4
0=(x-4)(x+11)
set to 0

x-4=0
x=4

x+11=0
x=-11
false, measures can't be negative

x=4

height=x+4
height=4+4=8

base=2x+6
base=2(4)+6=8+6=14

x=4 and base=14 and height=8

8 0

3 years ago

A certain species of animal is endangered and it’s numbers are decreasing 12% annually. There are currently 230 animals in the p

Iteru [2.4K]

B:f(x)=230(0.88);121 animals

6 0

3 years ago

3x+5y = 15 find the slope of a line perpendicular to each given line

gladu [14]

Answer:

Slope = 5/3

Step-by-step explanation:

See attached image

5 0

2 years ago

Need help please :( What is the second term of (s+v)^5?

Citrus2011 [14]

First compute the coefficient like this:
$C_5^1=\frac{5!}{1!(5-1)!}=\frac{5!}{4!}=\frac{5\times4!}{4!}$
Simplifying the fraction over 4! we get:
$C_5^1=5$
and the variables are $s^4v$ . So answer $5s^4v$ .

The correct answer is C then.

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3 years ago

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avanturin [10]

Answer:

7x + 7

Step-by-step explanation:

2x + 5x = 7x

5 +2 = 7

4 0

3 years ago

Read 2 more answers