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3 years ago

What is the l and w of a rectangular field of 40 ft perimeter?

1 answer:

3 0

The perimeter doesn't tell you the dimensions.

With a 40-ft perimeter, there an infinite number of possibilities
for the length and with. The only thing we know for sure is that
the sum of (length + width) is 20-ft.

The field could be . . .

1' by 40'
2' by 20'
3' by 13-1/3 '
4' by 10'
5' by 8'
6' by 6-2/3 '

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a sports store sells 12 different player jerseys in both home and away styles. your aunt boys you a jersey without asking which

Art [367]

Answer:

1/12 (i think) or 0.083

Step-by-step explanation:

well she buys you 1 and there is 12 so it would be 1 out of 12 which is written as 1/12

6 0

3 years ago

A boat is 60m from the base of a lighthouse. The angle of depression between the lighthouse and the boat is 37°. How tall is the

LekaFEV [45]

Answer: 34.64 m

Step-by-step explanation:

Given: A boat is 60 m from the base of a lighthouse.

The angle of depression between the lighthouse and the boat is 37°.

By using trigonometric ratios :

$\tan x=\dfrac{\text{Side opposite to }x}{\text{Side adjacent to }x}$

here x= 37°, side opposite to x = height of lighthouse (h) , side adjacent to x = 60 m

$\tan 37^{\circ}=\dfrac{h}{60}\\\\\Rightarrow\ 0.57735=\dfrac{h}{60}\\\\\Rightarrow\ h= 60\times0.57735\approx34.64$

Hence, the lighthouse is 34.64 m tall.

6 0

3 years ago

G=3t^2−5t+6<br><br> P=−8t^2+7t−9<br><br> G+P=

kotykmax [81]

Answer:

-5t^2 +2t -3

Step-by-step explanation:

Collect terms in the sum:

G+P = (3t^2 -5t +6) +(-8t^2 +7t -9) = (3-8)t^2 +(-5+7)t +(6-9)

= -5t^2 +2t -3

3 0

3 years ago

How you do number 4 pls help

Artyom0805 [142]

I haven't got a calculator right now but substitute the values into the cosine law so:

8² = 5² + c² - (2 x 5 x c x cos58)

and then use sine law to find B

sin58/8 = sinB/5

7 0

3 years ago

How many cm make 1m? Can some pls tell me from mm to km

Alborosie

Answer:

100cm= 1m

100000mm= 1km

5 0

3 years ago