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Paladinen [302]
3 years ago
9

Which of the following are equivalent to 4+(14 - 2)

Mathematics
1 answer:
Yuki888 [10]3 years ago
8 0

Hey there!

4 + (14 - 2)

DROP the PARENTHESES

4 + 14 - 2

14 - 2 = 12

4 + 12 = 16

Answer: 16

Good luck on your assignment and enjoy your day!

~Amphitrite1040:)

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A number, added to its three quarters, is equal to its double decreased by 6. What is the number
faust18 [17]

Answer:

9

Step-by-step explanation:

i hope this is helpful........

7 0
3 years ago
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
3 years ago
Helppp its due nowwww
Irina-Kira [14]

Answer:

9 x^4 y^6

Step-by-step explanation:

Recall the Exponent Law:

a^m \times a^n = a^{m +n}

Solution:

3x^2y^3 \times 3x^2y^3 \\ ( 3 \times 3 )x^{2 +2} y^{3 +3} \\ 9 x^4 y^6

6 0
3 years ago
Read 2 more answers
Which equation accurately represents this statement? Select three options. Negative 3 less than 4.9 times a number, x, is the sa
Svetllana [295]

Equations b,c, and e accurately represent this statement.

<h3>What is the equation?</h3>

A mathematical statement consisting of an equal symbol between two algebraic expressions with the same value is known as an equation.

The three equation accurately represents this statement is;

4.9 x-(-3) = 12.8

3+ 4.9 x = 12.8

12.8 = 4.9 x +3

Hence, equations b,c, and e accurately represent this statement.

To learn more, about equations, refer;

brainly.com/question/10413253

#SPJ1

6 0
2 years ago
Suppose the population of a town is 567 in 2001. The population decreases at a rate of 1.5% every year. What will be the populat
igomit [66]

for the formula is

 Y = starting population x (1-rate of change)^number of years

2010-2001 = 9

Y= 567 x (1-0.015)^9 = 494.89, round up to 495 people

7 0
3 years ago
Read 2 more answers
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