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lilavasa [31]
3 years ago
9

True or False The geometric mean of 8 and 2 is 4.

Mathematics
2 answers:
Mnenie [13.5K]3 years ago
7 0

TRUE IVE GOT IT WRONG  ON MY ASSIGNMENT.

Neko [114]3 years ago
3 0
False it is actually the number 6

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What is the ordered pair or real numbers for which x + y = 99 and x^2 - y^2 = 99.
skad [1K]

Given : x + y = 99 ------------ [1]

Given : x² - y² = 99

We know that : (x² - y²) = (x + y)(x - y)

⇒ (x + y)(x - y) = 99

⇒ 99(x - y) = 99

⇒ x - y = 1 ------------- [2]

Adding Equation [1] and [2], we get :

⇒ (x + y) + (x - y) = 99 + 1

⇒ 2x = 100

⇒ x = 50

Substituting x = 50 in Equation [1], we get :

⇒ 50 + y = 99

⇒ y = 99 - 50

⇒ y = 49

So, The Ordered pair (x , y) = (50 , 49)

5 0
3 years ago
Angles 1 and 2 are supplementary. Angle 2 is 1/5 the size of angle 1. What are the degree measurements of each angle?
Readme [11.4K]

Answer:

the stated ratio means that of the 180 degrees involving two supplementary angles, the smaller angle is one sixth of that whole. Thus the smaller angle measures 30 degrees & the larger measures 150 degrees.

Step-by-step explanation:

5 0
3 years ago
Given f(x) and g(x) = k⋅f(x), use the graph to determine the value of k.
8090 [49]

Answer:

  (a)  -5

Step-by-step explanation:

The vertical scale factor for the graph and the function can be found by comparing the y-value of a point on f(x) to the y-value of a point on g(x). The graph conveniently marks two corresponding points with these y-values:

  f(-2) = 2

  g(-2) = -10

The value of k in g(x)=k·f(x) is the ratio of these y-values:

  k = g(-2)/f(-2) = -10/2 = -5

The value of the vertical scale factor k is -5.

6 0
2 years ago
Use the replacement set {4, 6, 12} to find which values will make the equation 2x + 4 = 16 − x true.
Stells [14]

Answer:

25

Step-by-step explanation:

4 0
3 years ago
12 gallons of water fill a tank to 3/4 capacity if the tank is then filled to capacity, how many half gallon bottles can be fill
Zigmanuir [339]
4 gallons per 1/4 capacity = 16 gallons of water to fill the tank to capacity.
16 x 2 = 32 half gallon bottles can be filled
6 0
3 years ago
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