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3 years ago

11

A scale drawing of a building needs to be made using the scale 1 inequals=270270 ft. How tall will the building in the scale dra

wing be if the building is 27002700 ft tall?

1 answer:

nadezda [96]3 years ago

4 0

Answer:

and i oop

Step-by-step explanation:

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Forty five men can construct a road 210m long in 60 days. What length would be constructed by 72 men in 50 days assuming that al

blagie [28]

Answer:

280m

Step-by-step explanation:

Work rate would be (210m)/(45people)(60days)=7/90 m/(people)(day)

7/90 m/(people)(day) * 72people * 50days =280m

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2 years ago

Can someone please help

Dmitrij [34]

Answer:

1) a. 15ft

b. 6ft

c. 30ft

2) a. 16m

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2 years ago

Read 2 more answers

If cosθ=2/3 find cscθ using identities. This is in quad. 1.

laiz [17]

Step-by-step explanation:

cos θ = 2/3

$\quad \twoheadrightarrow\sf {cos \; \theta = \dfrac{Base}{Hypotenuse} } \\$

Hence, base = 2 units and hypotenuse = 3 units.

$\quad \twoheadrightarrow\sf { H^2 = B^2 + P^2} \\$

$\quad \twoheadrightarrow\sf { P^2 = H^2 - B^2} \\$

$\quad \twoheadrightarrow\sf { P^2 = (3)^2 - (2)^2} \\$

$\quad \twoheadrightarrow\sf { P^2 = 9- 4} \\$

$\quad \twoheadrightarrow\bf { P = \sqrt{5}} \\$

Now, we know that :

$\quad \twoheadrightarrow\sf {cosec \; \theta = \dfrac{Hypotenuse}{Perpendicular} } \\$

$\quad \twoheadrightarrow\bf{cosec \; \theta = \dfrac{3}{\sqrt{5}} } \\$

Therefore, the required answer is 3/√5.

4 0

2 years ago

5 positive integers are arranged in ascending order, as follows:

Helga [31]

The answer is: 10.

Explanation: The numbers are in order by the median/lowest to highest so in that case X wouldn't be 7 because the X would have been next to the 7 not on the other side of the 10.

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2 years ago

What is the equation of a line that is parallel to x - 2y= -4 and passes through the point 0,0

dem82 [27]

The answer is y=1/2x

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3 years ago