What is the square root of 9

Mathematics

2 answers:

Mariulka [41]3 years ago

7 0

The square root of 9 is 3. ✌️

mylen [45]3 years ago

7 0

I am pretty sure it is 3? sorry if I'm wrong.
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If sum of first 6 digits of AP is 36 and that of the first 16 terms is 255,then find the sum of first ten terms.

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Answer:

100

Step-by-step explanation:

We have the sum of first n terms of an AP,

Sn = n/2 [2a+(n−1)d]

Given,

36= 6/2 [2a+(6−1)d]

12=2a+5d ---------(1)

256= 16/2 [2a+(16−1)d]

32=2a+15d ---------(2)

Subtracting, (1) from (2)

32−12=2a+15d−(2a+5d)

20=10d ⟹d=2

Substituting for d in (1),

12=2a+5(2)=2(a+5)

6=a+5 ⟹a=1

∴ The sum of first 10 terms of an AP,

S10 = 10/2 [2(1)+(10−1)2]

S10 =5[2+18]

S10 =100

This is the sum of the first 10 terms.

Hope it will help.

4 0

3 years ago

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From her window 5m above the ground, Sherri spots a turtle on the ground at a 34 degree angle of depression. To the nearest tent

Thepotemich [5.8K]

Let y be the distance from the turtle to the base of the building.

tan (34) = 5/y
y = 5 ÷ cos(34)
y = 7.4m

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4 years ago

In a certain lottery game, 34 numbers are randomly mixed and 7 are selected. A person must pick all 7 numbers to win. Order is n

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Answer:

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Step-by-step explanation:

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