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Nutka1998 [239]
2 years ago
10

Okay i have to do a whole test and i need help!! The picture is up there!

Mathematics
2 answers:
Natalka [10]2 years ago
5 0

Answer:

a is triangular prism :)

dedylja [7]2 years ago
4 0

Answer:

Before you take a proctored exam, make sure have approved ID verification photos ... Photo verification may take up to 5 days to process, so please make sure to ... approval above, you would also need to complete onboarding exam 5 days

Step-by-step explanation:

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Ms. Manko has 4 grams of sprinkles
lukranit [14]
4 divided by 12 is 1/3.
So, she would sprinkle 1/3 of a gram on each cupcake.
6 0
2 years ago
The sum of three consecutive even numbers is 66. What is the smallest of these numbers?​
maw [93]

Answer:

20

Step-by-step explanation:

one way is guess and check method, you draw a table and try out 3 different consecutive even numbers to see which 3 add up to 66

7 0
3 years ago
Nadia charges $6.50 an hour for babysitting. She babysits 16.50 hours the first week of the month and 22 hours the second week o
Sveta_85 [38]
She would need to work for 35 hours.

She earned $250.25 total the first two weeks, so divide that by the new rate per hour, $7.15, to get the 35 hours.
4 0
3 years ago
A survey is planned to estimate the proportion of voters who support a proposed gun control law. The estimate should be within a
laila [671]

Complete Question

A survey is planned to estimate the proportion of voters who support a proposed gun control law. The estimate should be within a margin of error of ±5% with 90% confidence, and we do not have any prior knowledge about the proportion who might support the law. How many people need to be included in the sample?

Round your answer up to the nearest integer.

sample size = _____

Answer:

The sample size is n = 271    

Step-by-step explanation:

From the question we are told that  

   The margin of error is  E = 5% = 0.05

Generally given that there was no prior knowledge about the proportion of who might support the law, we will assume the sample proportion to be  

     \^ p =  0.5

From the question we are told the confidence level is  90% , hence the level of significance is    

      \alpha = (100 - 90 ) \%

=>   \alpha = 0.05

Generally from the normal distribution table the critical value  of  \frac{\alpha }{2} is  

   Z_{\frac{\alpha }{2} } =  1.645

Generally the sample size is mathematically represented as  

    n = [\frac{Z_{\frac{\alpha }{2} }}{E} ]^2 * \^ p (1 - \^ p )

=>   n = [\frac{1.645 }{0.05} ]^2 * 0.5 (1 - 0.5 )

=>   n = 271    

5 0
3 years ago
What value of t is a solution to this equation?<br> -t + 2<br> ------- = 1<br> 3
____ [38]

Answer:

-1

Step-by-step explanation:

you mutiply the 3 on both sides and then you subtract the 2 from both sides.

-t=1

then u divide by negative 1 which will make the right side number negative

7 0
2 years ago
Read 2 more answers
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