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3 years ago

Find the length of AC again

Mathematics

2 answers:

Bingel [31]3 years ago

5 0

Answer:

Step-by-step explanation:

side Ac is the opposite of angle B, therefore use the sin ratio to find ac since the hypotenuse is also given

sin B=opposite/hypotenuse

sin 27=ac/15

ac=sin27×15

=6.81

I hope this helps

Roman55 [17]3 years ago

5 0

Answer:

AC = 6.81

Step-by-step explanation:

∠BAC = 90° - 27° = 63°

Cos 63° = $\frac{AC}{AB}$ = 0.454

AC = cos 63° * AB = 0,454 * 15 = 6.81

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A 17 year old female high school student feels that she is overweight. Her weight is 145 and height 5'4. Calculate the BMI. Roun

Makovka662 [10]

Answer:

BMI is 24.9

Step-by-step explanation:

In order to calculate the student's BMI we first need to convert her weight into kilograms and her height into meters. We know that there are 39.37 inches in a meter and every foot has 12 inches. Therefore, since the student is 5ft 4 inches, this means she is 64inches tall. Now we can divide this by 39.37 to find her height in meters

64 / 39.37 = 1.6256 meters

Now we need to calculate her weight in kilograms. Since there are 2.20462 pounds in 1 kilogram, we simply divide her weight by 2.20462.

145 / 2.20462 = 65.7709 kilograms

Now we use the BMI formula to solve for the students BMI

BMI = $\frac{mass}{height^{2} }$

BMI = $\frac{65.7709}{1.6256^{2} }$

BMI = $\frac{65.7709}{2.6425}$

BMI = 24.88

Therefore we can see that the students BMI is 24.9

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