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Juliette [100K]
3 years ago
13

The number of boys and girls in a school are in the ratio 5: 7. What is

Mathematics
1 answer:
agasfer [191]3 years ago
4 0

Answer:

There are 1,680 Girls

Step-by-step explanation:

1 ratio = 240

5 ratio = 1,200

7 ratio = 1,680

Therefore, 5:7 = 1,200 : 1,680

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A support wire is attached to the top of a tower that is 65 feet tall as shown. If the wire makes an angle of 34 degree with the
Maru [420]
Answer:
length of wire = 116 ft

Explanation:
The attached image shows a diagram on the scenario given.

Now, we can note that the string forms a right-angled triangle with the tower and the ground. This means that special trig functions can be applied.
These functions are as follows:
sin θ = opposite / hypotenuse
cos θ = adjacent / hypotenuse
tan θ = opposite / adjacent

Now, from the given, we can find that:
θ = 34°
opposite is the tower = 65 ft
hypotenuse is the string length that we want to find

Substitute with the givens in the sin function to get the length of string as follows:
sin (34) = 65 / string
string = 65 / sin(34)
string = 116.2 which is approximately 116 ft

Hope this helps :)

8 0
3 years ago
Convert 0.00054 to scientific notation
andreev551 [17]
The answer is 5.4 × 10^-4
3 0
3 years ago
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Use the given property of equality to complete the given statement. If a + 5 = b + 3 and a + 5 = 12, then b + 3 = ______________
Ganezh [65]

Answer:

b+3=9+3

a+5=12

a+5=b+3

12-3=9

8 0
3 years ago
Simplify 2 to the 5 power to the fourth power over 3 to the second power
melisa1 [442]
I'm assuming you mean 2^(5)(4/3)(2). 
So multiplying all of the powers together yields 2^(40/3)
4 0
3 years ago
What is the volume of the prism above ? ?
julsineya [31]

Answer:

24

Step-by-step explanation:

In order to find the volume of something you would have to multiply the width x the length x the height which is 3x2x4 which equals to 24.

4 0
2 years ago
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