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zhenek [66]
3 years ago
14

Could someone plz help me with this?

Mathematics
1 answer:
Digiron [165]3 years ago
6 0

Answer:

They are.

Step-by-step explanation: The postulate is that all the adjacent angles and side lengths are equal between the triangle pairs. Congruency is if all side lengths and angles measure the same amount. In this case, the lines signify that they do.

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Examine number patters below 13,23,33,43,53
Bumek [7]

Answer:

The pattern is + 10.

Step-by-step explanation:

13 + 10 = 23

23 + 10 = 33

33 + 10 = 43

...and so on.

I hope this helped! :-)

7 0
3 years ago
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A medical devices company wants to know the number of hours its MRI machines are used per day. A previous study found a standard
4vir4ik [10]

The company has to study 199 machines.

In statistics, the standard deviation is a measure of the amount of variation or dispersion of a set of values. A low standard deviation indicates that the values tend to be close to the mean of the set, while a high standard deviation indicates that the values are spread out over a wider range.

It is given that;

Margin of error E = 0.7

Confidence interval 98% = 1-0.98 = 0.02

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Number of MRI machines needed per day n, = [(z alpha/2 * SD)/E]²

Z alpha/2 = 1.645 at alpha = 0.1

Inputting these values into n we have that

[(1.645*6)/0.7]²

= 14.1²

= 198.81 is approximately equal to 199

The company has to study 199 machines.

To know more about standard deviation visit: brainly.com/question/475676

8 0
2 years ago
Y=x+4 what is the slope and y-int
IceJOKER [234]

Answer:

m=1 b=4

Step-by-step explanation:

slope: y=mx+b   m=1

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6 0
3 years ago
PLEASE HELP ASAP<br> How do you find the total for a purchase if there is sales tax?
qaws [65]

Answer:

Conver the sales tax to a decimal and ad it to 1, then multiple that total to the price of the item. Please mark as breinlest

7 0
2 years ago
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A 9-kilogram bag of sugar cost $27.54. what is the unit price ?
shusha [124]

Answer:

$3.06

Step-by-step explanation:

1 kg = $27.54

27.54/9 kilogram

4 0
3 years ago
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