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Papessa [141]
3 years ago
7

Does anyone know the answer to this?

Mathematics
1 answer:
Juli2301 [7.4K]3 years ago
7 0

Answer:

15%

Step-by-step explanation:

You take the number of student in <u>8th grade</u> that are on social media for <u>more</u> than an hour which gives you (12) and divide it by the total number of students (81).

12/81=0.148 repeating

You then round 0.148 repeating to 0.15 and then turn it into a percent by moving the decimal two places to the right.

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A 2.7 meter ladder leans against a house forming
mrs_skeptik [129]

Answer:

1.35m

Step-by-step explanation:

A 2.7 meter ladder leans against a house forming a 30° angle with the house. Exactly how far is the base of the ladder from the house?

We solve the above question using the Trigonometric function of Sine

cos theta = Opposite/Hypotenuse

From the question

Opposite = Distance of base of the ladder from the house = x

Hypotenuse = Length of the ladder = 2.7m

Theta = 30°

Hence,

sin 30 = x/2.7 m

Cross Multiply

x = sin 30 × 2.7m

x = 1.35m

Option b is correct.

3 0
3 years ago
In ΔEFG, the measure of ∠G=90°, the measure of ∠E=77°, and GE = 2.6 feet. Find the length of FG to the nearest tenth of a foot.​
BigorU [14]

Answer:

FG=11.6 feet

Step-by-step explanation:

cos 77 degrees=2.6/FG (because this is a right triangle)

.22495=2.6/FG

FG=11.558 feet

4 0
3 years ago
Read 2 more answers
4. Using the digits 1 to 9, at most one time each, fill in the boxes to
Mkey [24]

Answer:

9^3

Step-by-step explanation:

9x9x9= 729

7 0
3 years ago
Find the next number in the pattern. 5, 7, 12, 20, 31, ______
padilas [110]
 The pattern would be 5,7,12,20,31,45
4 0
3 years ago
Read 2 more answers
In triangle ABC, the measure of angle A is 80°. Angle B is congruent to angle C. What is the measure of angle B in degrees? A. ∠
sleet_krkn [62]

Answer:

<B = 50

Step-by-step explanation:

<B = <C = 50

8 0
3 years ago
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