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Shalnov [3]
2 years ago
6

A 16 -foot ladder is leaning on a tree. The bottom of the ladder on the ground at a distance of 6 feet from the base of the tree

. The base of the tree and the ground form a right angle. What is the distance, in feet, between the ground and the top of the ladder? Round your answer to the nearest tenth.
Mathematics
1 answer:
Dima020 [189]2 years ago
4 0

Answer:

14.8 feet

Step-by-step explanation:

since this is creating a right triangle you can use the Pythagorean theorem which is a^2 + b^2 = c^2, and by plugging in the one leg length and the hypotenuse length you get 14.8324 which rounds up to 14.8

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Two and seven sixths minus seven sixths
Alecsey [184]

Answer:

2

Step-by-step explanation:

(2 7/6) - 7/6= 2

2 7/6 is just 2+7/6 then subtract 7/6 and get 2.

6 0
4 years ago
Juan roller skated for 2 hours 40 minutes with a constant speed of 18 m/h and then for another 1 hour 50 minutes with a constant
Nikolay [14]

Answer: 136 m

Step-by-step explanation:

For first interval,

Time = 2 hours 40 minutes  = 2+\dfrac{40}{60}\text{ hours}\ [\text{1 hour = 60 minutes}]

=2+\dfrac{2}{3}=\dfrac{8}{3}\ \text{hours}

Speed = 18 m/h

Distance = \dfrac{8}{3}\times18=48\ m[Formula : Distance=Speed x time]

For second interval,

Time = 1 hour 50 minutes  = 1+\dfrac{50}{60}\text{ hours}\ [\text{1 hour = 60 minutes}]

=1+\dfrac{5}{6}=\dfrac{11}{3}\ \text{hours}

Speed = 24 m/h

Distance = \dfrac{11}{3}\times24=88\ m

Total distance = 48 m +88 m = 136 m

Hence, he went 136 m.

8 0
3 years ago
What is the answer to -5f=-3(8-f)
Semmy [17]

Answer:

Step-by-step explanation:

-5f=-3(8-f)

Opening bracket

-5f = - 24 + 3f

Collecting like terms

-5f - 3f = -24

-8f = -24

Dividing by -8

f = -24/-8

f = 3

4 0
4 years ago
Read 2 more answers
Joan is 5 years older than Ellen, and 3 years ago the sum of their ages was 17 years. In how many years will Joan be 21 years ol
slavikrds [6]

Answer:

7

Step-by-step explanation:

If J is Joan's current age and E is Ellen's current age, then:

J = E + 5

(J - 3) + (E - 3) = 17

Solve the first equation for E:

E = J - 5

Substitute into the second:

(J - 3) + (J - 5 - 3) = 17

J - 3 + J - 8 = 17

2J - 11 = 17

2J = 28

J = 14

Joan is 14, so in 7 years, she will be 21.

5 0
3 years ago
What is 4+(-4+6) <br><br>help asap please
Zarrin [17]
The answer would be 6
7 0
3 years ago
Read 2 more answers
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