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3 years ago

In the fifth grade at Lenape Elementary School, there are

1 answer:

7 0

About 48 students are girls

Step - By - Step Explanation:

63 / 4 = 15.75

15.75 x 3 = 47.25

Because you can’t have 0.25 (1/4) of a person, you round to the next number.

Hope this helps!

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In abc above,what is the length of ad

Nezavi [6.7K]

Answer:

Step-by-step explanation:

First calculate BD using sine ratio in Δ BCD and the exact value

sin60° = $\frac{\sqrt{3} }{2}$ , thus

sin60° = $\frac{opposite}{hypotenuse}$ = $\frac{BD}{BC}$ = $\frac{BD}{12}$ = $\frac{\sqrt{3} }{2}$ ( cross- multiply )

2BD = 12 $\sqrt{3}$ ( divide both sides by 2 )

BD = 6 $\sqrt{3}$

-----------------------------------------------------------

Calculate AD using the tangent ratio in Δ ABD and the exact value

tan30° = $\frac{1}{\sqrt{3} }$ , thus

tan30° = $\frac{opposite}{adjacent}$ = $\frac{AD}{BD}$ = $\frac{AD}{6\sqrt{3} }$ = $\frac{1}{\sqrt{3} }$ ( cross- multiply )

$\sqrt{3}$ AD = 6 $\sqrt{3}$ ( divide both sides by $\sqrt{3}$ )

AD = 6 → B

4 0

3 years ago

In (Triangle)QRS, <br> Please explain

egoroff_w [7]

Answer: Triangle QRS is an isosceles triangle because QR = RS.

. Step-by-step explanation: Find the length of each side of the triangle using the formula for calculating the distance between two points.

Step-by-step explanation:

7 0

2 years ago

Only 4 please i need it by tomorrow

seraphim [82]

No she is not correct she needs to go back to school and learn math

8 0

3 years ago

2/5ab What are the factors of the expression? Drag all of the factors of the expression into the box. Factors −1 2 5 2 5 a b

Dvinal [7]

The answer is 2/5, a, and b

5 0

3 years ago

A certain aircraft can carry a maximum cargo weight of 1300 pounds. If the baggage weighs no more than 210 pounds, what is the l

VMariaS [17]

The answer is 1090 pounds because 1300, the max weight, minus 210, the baggage, is 1090. Hope this helps!

3 0

3 years ago