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Fantom [35]
2 years ago
6

Last question: Someone please answer this question. I'll give 100 points and mark brainliest !!

Mathematics
2 answers:
slamgirl [31]2 years ago
5 0
Part A would be yes they are similar because those triangles would have the degrees just be different sizes if you want more help directly message me.
valentinak56 [21]2 years ago
3 0

Answer:

oof um yes to part a becuase they are both triangles and i dont really know

i dont know to b

part c is well im pretty sure its f

Step-by-step explanation:

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Can anyone answer this with expanation?<br>​
shusha [124]

18. ∆PQR =~ ∆RPA ( by SAS )

19. ∆DQR =~ ∆PQR ( by AAS )

20. ∆ARO =~ ∆PQO ( by AAS )

3 0
3 years ago
Janet an experienced shipping clerk can fill a certain order in 5 hours . Tom a new clerk needs 8 hours to do the same job. work
aksik [14]

Janet can fill a certain order in 5 hours, therefore she performs 1/5 of the order within 1 hour.

Tom needs 8 hours to do the same job, therefore he performs 1/8 of the order within 1 hour.

Working together, they make 1/5 + 1/8 orders within 1 hour.

Let <em>t</em> mean the number of hours they need. Then we have equation:

\left(\dfrac{1}{5}+\dfrac{1}{8}\right)t=1\\\\_{\text{use}\ \frac{a}{b}+\frac{c}{d}=\frac{ad+bc}{bd}}\\\\\dfrac{(1)(8)+(1)(5)}{(5)(8)}t=1\\\\\dfrac{8+5}{40}t=1\\\\\dfrac{13}{40}t=1\ \ \ \ |\text{multiply both sides by 40}\\\\13t=40\ \ \ \ |\text{divide both sides by 13}\\\\t=\dfrac{40}{13}\\\\t=3\dfrac{1}{13}\\\\Answer:\ 3\dfrac{1}{13}h=3h\ \dfrac{60}{13}min\approx3h\ 5min

7 0
3 years ago
A soft drink company holds a contest in which a prize may be revealed on the inside of the bottle cap. The probability that each
andrezito [222]

Answer:

The probability that the customer must open 3 or more bottles before finding a prize is 0.64

Step-by-step explanation:

In order for a customer to have to open at least 3 bottles before winning a prize, then the first two bottles shouldnt have a price. The probability that a bottle doesnt have a price is 1-0.2 = 0.8. Since the bottles are independent from each other, then the probability that 2 bottles dont have a prize is 0.8² = 0.64. Therefore, the probability that the customer must open 3 or more bottles before finding a prize is 0.64

5 0
3 years ago
Read 2 more answers
100 points
Snezhnost [94]

Answer: 28\sqrt 3

Step-by-step explanation:

8 x 14 x 21 = 2352, so:

√8⋅√14⋅√21 = √2352

√2352 in simplest form is 28√3

I hope this helps!

6 0
2 years ago
The length of a store is 21 2/3 feet, and the area is 325 square feet, what is the width of the store?
Julli [10]
325 divided by area 21 2/3. always area divided by length
4 0
3 years ago
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