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kipiarov [429]
3 years ago
7

Can someone help plzzz

Mathematics
2 answers:
slava [35]3 years ago
7 0
Z = 106
x = 32

Z
180 - 74 because SSI
X
Set Z equal to equation because Alt. Int. Angles
Westkost [7]3 years ago
4 0

Answer:

z = 106

x = 32

Z

180 - 74 because SSI

X

Set Z equal to equation because Alt. Int. Angles]

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Find the mean absolute<br>deviation of the set of data.<br>2, 4, 5, 5, 3​
DedPeter [7]

Answer:

The MAD is 1.04.

6 0
3 years ago
A circle has an area of 30 in^2. What is the area of a 60 sector of this circle?
yuradex [85]

We use the ratio x:360 to find portions of the circle (again, through the ratio)

so we use 60/360 = x/30 in^2

1/6 = x/ 30

x = 5.

The answer is 5 in^2

5 0
3 years ago
please.. this is due by midnight and i’m close to tears.. from a point in a straight road, Chris and Elena ride bicycles in the
blondinia [14]
Chris is going 10 mph. After 9 hours, Chris has gone 90 miles. Elena is going 14 mph. After 9 hours, she has gone 126 miles. 126 miles is 36 miles more then 90 miles.

10 \times 9 = 90 \\ 14 \times 9 = 126 \\ 126 - 90 = 36
4 0
3 years ago
A junk box in your room contains fourteen old​ batteries, seven of which are totally dead. You start picking batteries one at a
MrMuchimi

Answer:

A junk box in your room contains fourteen old​ batteries, seven of which are totally dead.

So, number of good batteries = 14-7=7

a) The first two you choose are both good. ​

There is a 7/14 chance that we will pick a good battery.

Now there are 13 batteries left and out of that there are only 6 good ones remaining, so this becomes 6/13.

So, combined probability is = \frac{7}{14}\times \frac{6}{13}

= 0.23

b) At least one of the first three works.

\frac{7}{14} \times \frac{6}{13} \times \frac{5}{12} =0.096

And at least one is good battery, we get : 1-0.096=0.904

​c) The first four you pick all work.

There is a probability of 7/14 for the first one to work, 6/13 for the second, 5/12 for the third and 4/11 when the fourth is good, combined we get by multiplying all:

\frac{7}{14}\times \frac{6}{13}\times \frac{5}{12}\times \frac{4}{11}=0.0344

d) You have to pick five batteries to find one that works.

This condition means that we pick 4 bad batteries and 1 good battery.

The probability of picking 4 bad batteries is -

\frac{7}{14}\times \frac{6}{13}\times \frac{5}{12}\times \frac{4}{11}=0.0344

Since there are 7 good batteries remaining in 10 batteries so we will multiply 7/10 in 0.0344 to know the fifth one that finally works.  

This becomes = 0.0344\times0.7=0.024

5 0
3 years ago
Can someone please help me I don't get this at all
goldfiish [28.3K]

Answer:

A and D          B and A               C and B                 D and C

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
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