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juin [17]
3 years ago
12

HELPPP FOR 25 POINTS

Mathematics
1 answer:
MrRa [10]3 years ago
4 0

Answer:

X/15 = 32/20

x = 24 ft

Step-by-step explanation:

X/15 = 32/20

x = 24 ft

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Two sides of a triangle are 6 m and 10 m in length and the angle between them is increasing at a rate of 0.06 rad/s. find the ra
Soloha48 [4]
Since this problem talks about rates of change, then the concept of calculus is very useful. But first, let's find at least two equations in order to solve this system. The first one is the area of a triangle written as

A = 1/2 ab sin θ, where a and b are the sides that from the angle θ. So, we substitute a=6 and b=10. That makes it:
A = 1/2 (6)(10)sin θ = 30 sin θ

Now, you differentiate implicitly (both sides simultaneously) with respect to time.

dA/dt = 30 cosθ (dθ/dt)

We replace dθ/dt = 0.06 rad/s, as mentioned in the problem. Then, the rate of change of the area of the triangle when θ = π/3 rad with respect to time is

dA/dt = 30cos(π/3) (0.06)
dA/dt = 1.8  m²/s

Therefore, the rate of change of the area of the triangle is 1.8 m² per second.
8 0
4 years ago
Citrus farmer who grows mandarin oranges finds that the diameters of mandarin oranges harvested on his farm follow a normal dist
SSSSS [86.1K]

Answer:

6.0520

Step-by-step explanation:

Given that:

Mean = 5.85

Standard deviation = 0.24

Let N denote the 80th percentile.

P(X < N) = 0.8

P(Z < \dfrac{(N - 5.85)}{0.24}) = 0.8

Using the Excel formula: = NORM.INV(0.8,5.85,0.24)

The 80th percentile for the diameters of mandarin oranges:

= 6.0520 (to 4 decimal place)

8 0
3 years ago
When rotating a figure, which is equivalent to a 3/4 -turn counterclockwise rotation?
Reptile [31]
The answer is A I think hope it helps

8 0
3 years ago
In the united states, the five great lakes cover an area of 94,710 square miles. The smallest of the great lakes, lake ontario,
tankabanditka [31]

Solution: We are given:

The area covered by five great lakes in United States =94,710 square miles.

The area covered by the smallest of the great lakes, Lake Ontario =7,540 square miles.

The fraction of the area of Ontario lake to the total area of all the great lakes is:

\frac{7,540}{94,710}

\frac{754}{9471}

Therefore, the simplest form of fraction is \frac{754}{9471}

\frac{754}{9471}=0.08


8 0
3 years ago
Solve the equation below. *<br> b + (-43) = 87
Rom4ik [11]

Answer:

b=130

Step-by-step explanation:

b+(-43)=87

b+(-43+43)=87+43

b=130

Hope this helps. Have a great day, you amazing bean child.

(Yes you are now my bean child. Get over it)

5 0
3 years ago
Read 2 more answers
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