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konstantin123 [22]
3 years ago
7

What is the value of x?

Mathematics
2 answers:
Ainat [17]3 years ago
7 0

Answer:

depends on the equasion!

Step-by-step explanation:

Natali5045456 [20]3 years ago
4 0

Answer:

depends on what equation you have

Step-by-step explanation:

EX. If the equation was

x(3)=15 x would be 5 because 5 times 3 equals 15.

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Simone would have to bike for at least 34 miles to reach $510
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3 years ago
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Karl uses 8 whole square tiles and 8 half square tiles to make a mosaic. What is the area of his mosaic?​
trapecia [35]

Answer:

48

Step-by-step explanation:

8 squares=32

8 half squares=16

32+16=48

There are 4 sides to a 8 whole squares 8*4=32

There a 2 sides to 8 half squares 8*2=16

8 0
2 years ago
Suppose 232subjects are treated with a drug that is used to treat pain and 50of them developed nausea. Use a 0.01significance le
Margarita [4]

Answer:

A

   The  correct option is B

B

   t =  0.6093

C

 p-value  =  0.27116

D

The  correct option is  D

Step-by-step explanation:

From the question we are told that

    The  sample size is  n  =  232

    The  number that developed  nausea  is X =  50

    The population proportion is  p  =  0.20  

 

The  null hypothesis is   H_o : p  =  0.20

The  alternative hypothesis is  H_a :  p > 0.20

Generally the sample proportion is mathematically represented as

     \r p  =  \frac{50}{232}

     \r p  =  0.216

Generally the test statistics is mathematically represented as

 =>           t =  \frac{\r p  -  p }{ \sqrt{ \frac{p(1- p )}{n} } }

=>           t =  \frac{ 0.216 - 0.20 }{ \sqrt{ \frac{ 0.20 (1- 0.20 )}{ 232} } }

=>        t =  0.6093

The  p-value obtained from the z-table is

       p-value  =  P(Z >  0.6093) =  0.27116

  Given that the  p-value >  \alpha  then we fail to reject the null hypothesis

5 0
3 years ago
A cone has a radius of 7cm and a height of 12 cm. Find the volume
Dmitrij [34]

9514 1404 393

Answer:

   196π cm^3 ≈ 615.8 cm^3

Step-by-step explanation:

Put the numbers in the volume formula and do the arithmetic.

  V = 1/3πr^2·h

  V = 1/3π(7 cm)^2(12 cm) = 196π cm^3 ≈ 615.8 cm^3

7 0
2 years ago
Which expression can be used to model the statement “On Wednesday, Nathaniel earned $10 less than he earned on Tuesday”?
oksian1 [2.3K]

Answer:

c. n-10

Step-by-step explanation:

8 0
3 years ago
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