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Tems11 [23]
3 years ago
14

Find the missing length. The triangles are similar.

Mathematics
1 answer:
Marina CMI [18]3 years ago
4 0

Answer:

RK= 13      SK= 12

Step-by-step explanation

First, we find the missing length of RK using the given information: 65-52=13

Then we divide 65 by 13 to get a scale factor: 65/13=5

(To check, we multipuly: 13*5=65)

We then apply the scale factor to MK to find SK: 60/5=12

(To check we multipuly: 5*12=60)

We now have our answers: RK:13, SK:12

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How do I do number 16?
PolarNik [594]

Answer:  x = 121 degrees

Step-by-step explanation:

(n-2) x 180

(6-2) x 180

4 x 180=720

599 +x = 720

599 - 599 = x  +x = 720 - 599 = 121

and then add up all the degrees

88 + 105 + 142 + 140 + 124 + 121 = 720

so there for you answer for x is 121 degrees

8 0
3 years ago
You have a frame that holds three pictures. You pulled out your favorite five photos. How many sets of three are there? Make a l
soldi70 [24.7K]

Answer:

10

Step-by-step explanation:

nCr = 5!/(3! × (5 - 3)!)

= 10

123/ 124/ 125/ 134/ 135/ 145/ 234/ 235/ 245/ 345

The formula for combinations is generally n! / (r! (n -- r)!), where n is the total number of possibilities to start and r is the number of selections made. In our example, we have 52 cards; therefore, n = 52.

6 0
4 years ago
Read 2 more answers
I don't understand this question but the company I choose was PepsiCo. The shares price is $146.02​
Anni [7]

9514 1404 393

Answer:

  136.96754 shares, or maybe 136 shares

Step-by-step explanation:

At a cost of $146.02 per share, $20,000 will buy ...

  $20,000 / (146.02/share) = 136.96754 shares

__

Some accounts will let you purchase partial shares; others require you purchase whole shares. $20,000 is enough to pay for 136.96754 shares, but you may be able to purchase only 136 shares. (You would have $141.28 in cash remaining after that transaction.)

Some accounts manage shares in multiples of 0.001 shares; others may use more decimal places. Above, we have shown the quantity that spends the entire $20,000. Using fewer decimal places will leave some cash remaining.

We have assumed you're not paying any brokerage fees or loads that would reduce the amount of money that actually purchases shares.

_____

<em>Additional comment</em>

Whenever you buy anything, the cost of more than one of it is the unit price times the number of units. (Quantity discounts may apply.) In like fashion, the cost of multiple shares of stock is the single-share cost multiplied by the number of shares. As with all multiplication relations, a corresponding division relation is <em>the number of shares is the total cost divided by the cost per share</em>.

8 0
3 years ago
A shoe manufacturer was investigating the weights of men's soccer cleats. He felt that the weight of these cleats was less than
aleksklad [387]

Answer:

 The conclusion is that the researcher was correct

Step-by-step explanation:

From the question we are told that

     The sample size is  n =  13

    The sample mean is  \= x =  9.63

     The standard deviation is  s =  0.585

      The significance level is  \alpha  =  0.05

The Null Hypothesis is  H_o :  \mu = 0

The Alternative  Hypothesis  is  H_a =  \mu < 10

The test statistic is  mathematically represented as

          t =  \frac{\= x - \mu }{\frac{s}{\sqrt{n} } }

Substituting values

          t =  \frac{9.63  - 10 }{\frac{0.585}{\sqrt{13} } }

         t =  -  2.280

Now the critical value for \alpha is  

     t_{\alpha } = 1.645

This obtained from the critical value table

  So comparing the critical value of alpha and the test value we see that the test value is less than the critical value so the Null Hypothesis is rejected

 The conclusion is that the researcher was correct

 

 

6 0
4 years ago
A piece of stained glass in the shape of a right triangle has sides measuring 8 cm, 15 cm, and 17 cm. what is the area of the pi
mars1129 [50]
We know that

[area of triangle]=b*h/2
b=15 units
h=8 units
[area of triangle]=15*8/2---------> 60 units ²

see the attached figure

the answer is 
60 units ²

7 0
3 years ago
Read 2 more answers
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