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Anna35 [415]
3 years ago
14

PLEASE HELP ME I CANT DI THIS AND I HAVE TO TURN IT IN NOW

Mathematics
1 answer:
ludmilkaskok [199]3 years ago
3 0

Answer:

20 c E

12 A G I

8 d H

16 B F

Step-by-step explanation:

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Step-by-step square root of 79
alex41 [277]

Answer:

79 does not have a defined square root.

4 0
3 years ago
At the end of the summer a store marks down the outdoor furniture 8% a family bought 4 chairs in June at 35$ each then 2 more ch
frosja888 [35]

Answer:

$204.4

Step-by-step explanation:

The four chairs bought in June cost $35 each, all together $140. Then they bought 2 more chairs on sale for 8% off of $35 each or 92% of $35 which is $32.2 each, all together $64.4. Both buy's together would then equal $204.4

7 0
3 years ago
Danielle's text messaging plan charges 5cents for each message over 600 in addition to a $13 base charge if she owes $19.70 for
dlinn [17]
19.70-13=6.7
6.7/0.05=134
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8 0
3 years ago
If the critical z-value for a hypothesis test... If the critical z-value for a hypothesis test equals 2.45, what value of the te
schepotkina [342]

Answer: z score = 0.00714

Step-by-step explanation: the value of test statistics is gotten using the standard normal distribution table.

Z= 2.45 has area to the left (z<2.45) and area to the right (z>2.45).

Level of significance α is the probability of committing a type 1 error. The area under the distribution is known as the rejection region and it is the area towards the right of the distribution.

The table I'm using is towards the left of the distribution.

But z>2.45 + z<2.45 = 1

z> 2.45 = 1 - z<2.45

But z < 2.45 = 0.99286

z > 2.45 = 1 - 0.99286

z >2.45 = 0.00714

Hence the test statistics that would produce the least type 1 error is 0.00714

8 0
3 years ago
How do scientists infer the presence of black holes since they can't be directly<br> observed?
Andrej [43]

Answer:

The presence of a black hole can be inferred through its interaction with other matter and with electromagnetic radiation such as visible light. Matter that falls onto a black hole can form an external accretion disk heated by friction, forming quasars, some of the brightest objects in the universe.

Step-by-step explanation:

7 0
3 years ago
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