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Alina [70]
3 years ago
7

Which of the following choices evaluates (-x)^2 when x=-1 Answers: 1)1 2)-2 3)-1

Mathematics
1 answer:
MissTica3 years ago
7 0
(-(-1))^2
(1)^2
1 x 1
=1

Answer: 1
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Divide 85 into the ratio of 2:3:5
alukav5142 [94]
The actual amount that needs to be divided = 85
The ratio in which the amount needs to be divided = 2:3:5
Let us assume the common ratio to be = x
Then
2x + 3x + 5x = 85
10x = 85
x = 85/10
  = 8.5
Then
The ratio in which the number 85 will be divided = 2 * 8.5:3 * 8.5:5 * 8.5
                                                                             = 17:25.5:42.5
So from the above deduction we can see that the number 85 can be divided in the ratio 17:25.5:42.5
4 0
4 years ago
There are 48 different animals pictured in Jorge's book. If 1/3 of them are herbivores how many herbivores?
Stolb23 [73]
16. 48 divided by 3 is 16
8 0
3 years ago
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A magazine provided results from a poll of 1500 adults who were asked to identify their favorite pie. among the 1500 ​respondent
valentinak56 [21]

Answer:

0.01  is alpha level

Step-by-step explanation:

Given that a survey of a magazine of 1500 adults revealed that 12% chose chocolate pie.

i.e. p = proportion of people who like chocolate pie = 0.12

Margin of error = ±0.03

The value of   q  =1-\hat p , =1-0.12 = 0.88


The sample size n  is given as 1500. Therefore,  n=1500

The confidence level is given as 99%

Hence alpha = 1- confidence level


=1-0.99=0.01

Hence answer is 0.01



4 0
3 years ago
Read 2 more answers
Which problem can we solve with 27 : 3?
N76 [4]

Answer:

La Tasha has 27 rabbit stickers. She splits the stickers

evenly among 3 pieces of paper. How many stickers

did La Tasha put on each piece of paper?​

Step-by-step explanation:

6 0
3 years ago
17. Mrs. Marshall baked 120 cookies. She decided
agasfer [191]

Answer:

20 cookies

Step-by-step explanation:

120*6=20

20 = 1/6 of 120

8 0
3 years ago
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