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Andreas93 [3]
2 years ago
7

Help i'll mark brainliest

Mathematics
2 answers:
tensa zangetsu [6.8K]2 years ago
4 0
The correct answer is D. 40
UkoKoshka [18]2 years ago
4 0

Answer:

40 is the correct answer

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If h(x)=-1/2x+3, find h(-29)
aleksklad [387]
Just plug and chug :) 

h(-29)=-1/2(-29)+3 
h(-29)=29/2+3 
h(-29)=-11.5
8 0
3 years ago
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The radius of a circle is 8 cm. Find the circumference of the circle. Use 3.14<br> for Pi.
9966 [12]

Answer:

50.24 cm

Step-by-step explanation:

For the easier computation of a circle's circumference, pi's value is taken to be 3.14 (π = 3.14). Let's see a few examples below to polish the concept of the circumference. Find the circumference of the circle with a radius of 8 cm. = 50.24 cm.

6 0
3 years ago
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Using π = 3.14, what is the circumference of a circle with a diameter of 7 units? Round your answer to the nearest hundredth.
maw [93]

Answer:

21.98

Step-by-step explanation:

c=2*pie*r

    2*3.14*3.5

   21.98

   approximate 22

:)

 

8 0
3 years ago
In December 2004, a report based on the National Survey on Drug Use and Health estimated that 20% of all Americans aged 16 to 20
o-na [289]

Answer:

542

Step-by-step explanation:

We are required to find the sample size at 98% confidence interval in this question

E = 0.04

P* = 20% = 0.20

n = p* x (1-p)(Zα/2÷E)²

α = 1 - 0.98

= 0.02

To get Critical value

= 0.02/2 = 0.01

The critical value at 0.01 is 2.33

Inserting values into formula:

O.2 x 0.8(2.33/0.04)²

= 0.8 x 0.2 x 58.25²

= 542.89

The value of n must be an integer therefore the answer is 542.

4 0
3 years ago
Find the mode of the following data set: 18,17,12,14,8,21,10,11,19,20,5,17,12,10,20
dem82 [27]

Answer:

C.10

Step-by-step explanation:

it is the only number that appeared most times

3 0
3 years ago
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