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Nonamiya [84]
3 years ago
11

Lin has a drawing with an area of 20 in2. If she increases all the sides by a scale factor of 3, what will the new area be?

Mathematics
1 answer:
vodomira [7]3 years ago
5 0

I forget what I was going to put

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Julie has a large red apple in her hand that is 4 ft off the ground. A blue bird sees the apple at an
Dafna1 [17]

Answer:

Step-by-step explanation:

so from the silly drawing,  you can see that the triangle is 4 feet off the ground, and that we want to find the Opp side from our angle of 15 °

Use SOH CAH TOA to recall how the trig functions fit on a triangle

SOH: Sin(Ф)= Opp / Hyp

CAH: Cos(Ф)= Adj / Hyp

TOA: Tan(Ф) = Opp / Adj

use TOA to find the Opp side of the triangle .. which is labeled X

Tan(15) = X / 15

15* Tan(15) = X

4.019   =   X

so the bird is up 4 feet in the tree.. not very high up, plus the 4 feet that the apple is already off the ground, soo

the tree... to where the bird is, at least, is 8.019 feet..

did this make sense?  :/  

hope the drawing helped  :P

6 0
3 years ago
In a market without environmental regulations, will the supply curve for a firm account for private costs, external costs, both,
bixtya [17]

Answer:

Step-by-step explanation:

It will only take into account private cost because it is allowed to emit pollution at a zero cost.

7 0
3 years ago
Find the coordinates of the midpoint between point A(18, -6) and the origin.
Sedbober [7]
Mid point b/w (18,-6),(0,0)
X = 0+18/2 = 9
y = 0-6/2 = -3
thus mid point is (9,-3)
4 0
3 years ago
Write the percent of each figure<br> that is shaded.
ehidna [41]

Answer:

1. 21%   2.  70%

Step-by-step explanation:

1. 21 out of 100 are filled in

2. 7/10 are filled in

3 0
3 years ago
Tanya drove 3 1/2 hours and used 1/3 tank of gas. For how long could Tanya drive using​ 1/2 ​tank of gas? Enter your answer as a
valina [46]
Ok so we know that using 1/3 of the tank, Tanya managed to drive 3 1/2 hours.

That means if she used the entire tank, w
she would have been able to drive 3 times as long, or (3 1/2 x 3) hours, which is 10 1/2 hours.

This means if she used half the tank (1/2), she would have driven half of 10 1/2 hours, which is 5 1/4 hours

Hope this helped
8 0
4 years ago
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