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Luda [366]
3 years ago
9

Que fait 2au carré plus 5

Mathematics
1 answer:
leonid [27]3 years ago
7 0

Answer:

The answer is 9.

Step-by-step explanation:

2 squared = 4

4 + 5 = 9

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A survey of 500 randomly selected adults found that 57% say that they would take a ride in a fully self-driving car. The 95% con
Novay_Z [31]

Answer:

Yes; Since the confidence interval limits are both greater than 50%, we can reasonably conclude that more than half of all adults would take a ride in a fully self-driving car.

Step-by-step explanation:

From the question we are told that

     The sample size is  n =  500

     The sample proportion is  \r  p  =  0.57

     The  95% confidence interval is (0.5266, 0.6134)

Looking at the 95% confidence level interval we see that the sample proportion is within the interval and given that the confidence interval limits are both greater than 50%, we can reasonably conclude that more than half of all adults would take a ride in a fully self-driving car.

4 0
3 years ago
75% of the children at Fisher Elementary walk to school. If there are 200 students at Fisher Elementary, how many walk to school
BlackZzzverrR [31]

Answer: 150 students walk to school

Step-by-step explanation: 75%=0.75

200 multiplied by 0.75

 200×0.75=150 students

            Or

75%=3/4

3/4 of the children walk to school

3/4×200=3/4×200/1=150

4 0
3 years ago
What's is 2/5 of 20<br> A. 4<br> B. 8<br> C. 20 2/5<br> D. 40
steposvetlana [31]
2/5 x 20 = 40/5 = B 8
5 0
3 years ago
You earned $80 this week and decided to spend 65% of your money on a new shirt. How much did you spend?
Anna007 [38]

Answer:

$28

Step-by-step explanation:

you cross multiply then divide by 100

then you subtract from 80

80 x 65 divide by 100 =

80 - 52 = 28

4 0
3 years ago
There were 30 jelly beans in a jar 2/5 were blue and 1/3 of them were yellow ,how many were green ?
amm1812

Answer:

the answer is 27

Step-by-step explanation:

there were 30 jelly beans 2 - 30 = 28

and 28-1 - 27

<em>Please mark me as brainliest I gave this answer first</em>

8 0
1 year ago
Read 2 more answers
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