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sdas [7]
3 years ago
13

A mathematician goes to his friend's house and asks his friend to guess the age of his three daughters:

Mathematics
1 answer:
bonufazy [111]3 years ago
3 0
The ages are 3, 3, and 8
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An 80-foot rope from the top of a tree house to the ground forms a 45° angle of elevation from the ground. How high is the top o
lina2011 [118]

Answer:

56.6m

Step-by-step explanation:

Using SOH = opp/hyp

Where θ = 45°

Hpy = 80m

Opp = ?

Sin θ = opp/hpy

Sin 45 = opp/ 80

Sin 45 × 80 = opp

0.7071 × 80 = opp

Opp = 56.568

~ 56.6m

Hence the height of the top of the tree is 56.6m

4 0
3 years ago
the flagpole cast an 8-foot Shadow as shown in the table the same time the oak tree cast a 12-foot Shadow how tall
SpyIntel [72]

30 ft tall  20 /8 =  2.5 so 12 * 2.5 = 30



8 0
3 years ago
Predict what will happen to the graph of the function f(x) = xã, if the function
Crank
The answer is D
Hope this helps!
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6 0
4 years ago
Using suitable rearrangement find the sum of -5 + 7/10 + 3/7 + (-3) + 15/4
Mashutka [201]

Answer:

-4.88

Step-by-step explanation:

-5+(-3) = (-8)

7/10 = 98/140

3/7 = 60/140

15/4 = 525/140

525/140 + 60/140 + 98/140 = 683/140

683/140 = 4 123/140

4 123/140 = 4.88 (2dp)

4.88+(-8) = -4.88

8 0
3 years ago
10. What is the perimeter of the triangle with sides 15 in, 20 in, and 25 in?
Gnom [1K]

Answer:

P = 60 inches

Step-by-step explanation:

Perimeter is the distance around the outside of a shape. So, to find perimeter, add up all the sides.

The side lengths were given, add them:

15 + 20 + 25

= 60

The perimeter is 60 inches.

6 0
2 years ago
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