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Hatshy [7]
3 years ago
13

Find the values of x and y. No calculator needed. Leave ✓ as a part of your answer.

Mathematics
1 answer:
valentina_108 [34]3 years ago
4 0

Answer:

y=6 x=8.49

Step-by-step explanation:

Since angles p and r are 45deg QP and QR are the same length.

the pythagorean theorem states that a^2+b^2=c^2.

so 6^2+6^2=72

the square root of 72 is 8.49.

so x or c = 8.49

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What is the value of the power a if 5 to the power of a is equal to 1/125
padilas [110]

First of all, you should know/notice that

125=5^3

You should also know how negative exponents work:

a^{-m}=\dfrac{1}{a^m}

So, if you wanted

5^x=125

the answer would be x=3, but since you want 125 to be at the denominator, the answer is x=-3:

5^{-3}=\dfrac{1}{5^3}=\dfrac{1}{125}

7 0
3 years ago
The correlation analysis assumes that the measurements have a bivariate normal distribution in the population. Select all of the
RoseWind [281]

Answer:

A. True

B. True

C. False

D. False

E. False

F. False

G. True

Step-by-step explanation:

Select all of the features that define a bivariate normal distribution.

<em>(this means that we select only those that are properties of the bivariate normal distribution)</em>

A. Bell-shaped probability distribution in two dimensions rather than one

<em>TRUE  because any combination of the two is still normal Z(x,y)=aX+bY</em>

B. A relationship between X and Y that is not linear

<em>TRUE The contours of the distribution are ellipses.</em>

C. The presence of outliers

<em>FALSE possible, but not always.</em>

D. Either X or Y has a decidedly skewed distribution

<em>FALSE normal distributions are symmetric</em>

E. A relationship between X and Y that is linear

<em>FALSE see answer to B</em>

F. A cloud of points that is funnel shaped (wider at one end than the other)

<em>FALSE normal distributions are symmetric</em>

G. The frequency distributions of X andY separately are normal

TRUE For example, in <em>Z(x,y)=aX+bY, putting a or b=0 means that X and Y separately are normal.</em>

4 0
3 years ago
53664 times 84 show work
zalisa [80]
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8 0
3 years ago
Samantha works in the bakery. She sells 136 loaves of bread in 8 hours. How many loaves of bread does she sell on average per ho
Korvikt [17]

Answer:

17 loaves of bread/hour

Step-by-step explanation:

136/8= 17

6 0
3 years ago
I'm really bad at math
Lynna [10]
What chapter is this?

6 0
3 years ago
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