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ioda
2 years ago
10

ANSWER THE 7 BLANKS ONLY PLEASE IM ON MY KNEES BEGGING please help I'm literally struggling sm pls tell me how u got ur answers,

and plus it should be fairly straightforward:
Two identical rectangular prisms and a cube are joined.
Answer the questions to find the new solid’s surface area.

1. There are |__| square faces on the surface of the figure.
(2, 4, 6, 8)
2. Each square face has an area of |__| ft².
(4, 6, 8, 12)
3. So, the area of all the visible square faces is |__| ft².
(16, 24, 32, 48)

4. There are |__| non-square rectangles on the surface of the figure.
(4, 6, 8, 12)
5. Each rectangle has an area of |__| ft².
(7, 10, 14, 28)
6. So, the surface area of all the visible non-square rectangles is |__| ft².
(60, 80, 100, 120)

7. The surface area of the figure is |__| ft².
(104, 112, 120, 144)

Mathematics
1 answer:
ankoles [38]2 years ago
7 0

Answer:

whew~ lots of this....

Step-by-step explanation:

1. 6

2. 4ft

3. 64

4. 8

5. 10

6. 80

7. 144

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The 2010 General Social Survey reported a sample where about 48% of US residents thought marijuana should be made legal. If we w
Sati [7]

Answer:

The sample size is  n  = 600

Step-by-step explanation:

From the question we are told that

    The  sample proportion is  \r  p = 0.48

     The  margin of error is  MOE  =  0.04

Given that the confidence level is 95%  the level of significance is mathematically represented as

        \alpha  =  100 - 95

        \alpha  =  5 \%

        \alpha  =  0.05

Next  we obtain the critical value of  \frac{\alpha }{2} from the normal distribution table , the values is

                   Z_{\frac{\alpha }{2}  } =  1.96

The reason we are obtaining critical value of    \frac{\alpha }{2} instead of    \alpha is because  

\alpha represents the area under the normal curve where the confidence level interval (  1-\alpha) did not cover which include both the left and right tail while  

\frac{\alpha }{2} is just the area of one tail which what we required to calculate the margin of error

Generally the margin of error is mathematically represented as

      MOE  =  Z_{\frac{\alpha }{2} } *  \sqrt{ \frac{\r p(1-  \r p )}{n} }

substituting values

          0.04= 1.96*  \sqrt{ \frac{0.48(1-  0.48 )}{n} }

         0.02041 = \sqrt{ \frac{0.48(52 )}{n} }

         0.02041 = \sqrt{ \frac{ 0.2496}{n} }

          0.02041^2  = \frac{ 0.2496}{n}

           0.0004166 = \frac{ 0.2496}{n}

=>       n  = 600

   

5 0
4 years ago
A couch, a love seat, and a chair cost $1565. The couch costs twice as much as the chair, and the live seat costs $400 more than
Naily [24]
Couch: 2x
love seat: 2x+400
chair: x
total amount: $1565
2x+2x+400+x=1565
5x+400=1565
5x=1165
x= 233
The cost of the chair is $233. The cost of the couch is $466. The cost of the love seat is $866.

Hope this helps!
7 0
3 years ago
The graph shows the function f(x) = 2^x.what is the value of x when f(x) = 4​
Aliun [14]

Answer: answer is 2

Step-by-step explanation:

7 0
4 years ago
The sum of two consecutive integers is 139, find the integers.
Ad libitum [116K]
They would be 69 and 70.

Your equation would be x + (x + 1) = 139

X would be the first integer and x + 1 would be the second

You would then solve the equation to get x as 69

X + 1 would then be 70
7 0
4 years ago
Am I correct? If so why?
babunello [35]

Answer: its correct

Step-by-step explanation: and its correct cuase its the answer you choose

7 0
3 years ago
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