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Rzqust [24]
2 years ago
14

Please help i’m in a test rn. Consider the geometric sequence -7, 14, -28, .... Select all that apply.

Mathematics
1 answer:
sp2606 [1]2 years ago
5 0

nsweres el dodeel s  Step-by-step explanationen

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A 20 foot ladder leaning against a wall is used to reach a window that is 17 feet above the ground. How far from the wall is the
GarryVolchara [31]

The bottom of the ladder is 10.5 feet away from the wall

Step-by-step explanation:

The given scenario forms a right triangle.

Where

The length of ladder will be the hypotenuse

The wall on which the window is situated will ebt he perpendicular and

The distance between the foot of ladder and the wall will be the base

So,

Hypotenuse = H = 20 foot

Perpendicular = P = 17 feet

Base = B = ?

Using the Pythagoras theorem

H^2=P^2+B^2\\(20)^2=(17)^2+B^2\\400=289+B^2\\400-289=B^2\\B^2=111\\Taking\ square\ root\ on\ both\ sides\\\sqrt{B^2}=\sqrt{111}\\B=10.53\\Rounding\ off\ to\ the\ nearest\ tenth\\B=10.5

The bottom of the ladder is 10.5 feet away from the wall

Keywords: Triangle, Pythagoras Theorem

Learn more about Pythagoras theorem at:

  • brainly.com/question/9532142
  • brainly.com/question/9590016

#LearnwithBrainly

8 0
2 years ago
What is the surface area of a sphere with a diameter of 12 centimeters? (Use 3.14 for π .)
tino4ka555 [31]
The answer is 452.39 centimeters
7 0
3 years ago
Kayla and two of her friends form an investment club. Each contributes $250 to an account that earns 5% interest, compounded ann
vaieri [72.5K]
The multiplier of each account's value is 1.05³ = 1.157625.

The $750 in the club's account will grow to
  $750×1.157625 = 868.22
and each member will get 1/3 of that amount, $289.

The $250 in Sheri's individual account will grow to
  $250×1.157625 = $289.

Sheri, Kayla, and Kayla's two friends will all have the same amount as a result of their investments.
6 0
3 years ago
Read 2 more answers
Write a postive or negative integer that repesents the situation. A football team loses 3 yards
Andreas93 [3]

Answer: -3

Step-by-step explanation:

Loses means negative. It is getting lesser and if you use a number line and start from zero, you move to the left side of it and get -3. I hope that helps.

3 0
3 years ago
If A=B prove AUB=AnB
expeople1 [14]
If two sets are same let a and bthen we can say a= b
according to definition of intersection it is function that contains common enements from both setsas a=b so all elemnts are commonso a= a n bor b = a n b
in union the function has all elements of both sets and in set no element repeats so 
a u b = aor a u b = b
as a u b  = a or b and a n b = a or b so we can conclude here that
a u b = a n b as a = b // defined above
6 0
3 years ago
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