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a_sh-v [17]
2 years ago
5

Plsss hurry!!!! i rlly need help

Mathematics
2 answers:
Lostsunrise [7]2 years ago
3 0

Answer:

41 21/25

Step-by-step explanation:

38 1/25 + 3 4/5 = 41 21/25

marta [7]2 years ago
3 0
I think it’s 41 21/25
You might be interested in
30000 equals how many ones
tangare [24]

30,000 equals 30,000 ones, since you are basically counting by one.

4 0
3 years ago
The ceiling of Stacy's living room is a square that is 25 ft long on each side. Stacy
Brut [27]

Answer:

A. 35 ft.

B. 35 ft

Step-by-step explanation:

Please see attached photo for diagram.

A. Determination of the diagonal using pythagorean theorem.

A square has all sides equal. Thus, the diagonal of the square can be obtained as follow:

Ist leg (L₁) = 25 ft

2nd leg (L₂) = 25 ft

Diagonal (d) =?

d² = L₁² + L₂²

d² = 25² + 25²

d² = 625 + 625

d² = 1250

Take the square root of both side

d = √1250

d = 35 ft

B. Determination of the diagonal using trigonometry.

Since all the sides in a square are equal, the angle between each leg will be 90°. Thus, the diagonal will bisect the angle between the two leg equally i.e

Angle between Diagonal and each leg = 90/2 = 45°

Finally, we shall determine the length of the diagonal. This can be obtained as follow:

Angle θ = 45°

Opposite = 25 ft

Hypothenus = d

Sine θ = Opposite / Hypothenus

Sine 45 = 25 / d

0.7071 = 25 / d

Cross multiply

0.7071 × d = 25

Divide both side by 0.7071

d = 25 / 0.7071

d = 35 ft

6 0
3 years ago
Cereal (c) cost $4.12 a box. How many boxes did Jennifer buy if she spent $37.08? Do not include spaces in your answers.
lakkis [162]

Answer:

Jennifer bought 9 boxes

6 0
3 years ago
Write an equivalent expression in word form.<br><br> (1- 1/3) / 2
KonstantinChe [14]

Answer:

21

Step-by-step explanation:

3 0
2 years ago
Read 2 more answers
What is the distance, in units, between (3, -5) and (8, 7) in the coordinate plane?
Rufina [12.5K]
Yes, 13 is correct
If you draw the right triangle, the two legs will be 5 and 12.
5 and 12 are parts of a Pythagorean triple. 13 completes the triplet.
4 0
3 years ago
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