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erastovalidia [21]
3 years ago
7

DIRECT VARIATION

Mathematics
1 answer:
aivan3 [116]3 years ago
8 0
Y\alphax
y=kx
36=6k
k=6
42=6x
x=\frac{42}{6}
x=7
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Here are the shopping times (in minutes) of ten shoppers at a local grocery store.
d1i1m1o1n [39]

The frequency which is to filled in the table is 3,1,2,4.

Given  shopping time of ten shopkeeper: 36,20,32,18,20,33,28,34,37,23.

We have to complete the frequency in the table. Frequency of something is the number of times that number is coming.

Shopping time is given as 36,20,32,18,20,33,28,34,37,23.

Intervals for which frequency is given is 18 to 22, 23 to 27, 28 to 32, 33 to 37.

Numbers in the range 18 to 22=18,20,23 therefore 3

Numbers in the range 23 to 27=23 therefore 1

Numbers in the range 28 to 32=32 , 28  therefore 2

Numbers in the range 33 to 37=36, 33, 37, 34 therefore 4.

Hence the frequency which is to filled are 3,1,2,4.

Learn more about  frequency at brainly.com/question/254161

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8 0
2 years ago
If sine of x equals square root of 2 over 2, what is cos(x) and tan(x)? Explain your steps in complete sentences.
kolbaska11 [484]
Sin x =  square root (2) / 2

In order for us to get for cos x and tan x, first we need to know what 
Hypotenuse, Adjacent, and Opposite sides.

sin x = opposite / hypotenuse.

adjacent = square root (hypotenuse^2 - opposite^2)
adjacent = square root (2^2 - square root(2)^2)
adjacent = square root (4 - 2)
adjacent = square root (2)

cos x = adjacent / hypotenuse
tan x = opposite / adjacent..

cos x = square root (2) / 2
tan x = square root (2) / <span>square root (2)  = 1

So, </span>cos x = square root (2) / 2 and tan x<span> = 1</span>
7 0
3 years ago
Brainliest!!!<br><br> pls help
Vanyuwa [196]

Answer:

31.6

Step-by-step explanation:

38+29+16+42+33 = 158

158÷5 = 31.6

5 0
3 years ago
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Please answer question #45 for me!!!
mel-nik [20]
Convert the mixed fractions into improper fractions and divide them to get them into decimals. Then see if pi is in between those numbers.

Ex: 2 3/4 = 11/4 = 2.75
3 0
3 years ago
Put this equation into slope intercept -2×+3y=9
siniylev [52]

y = \frac{2}{3} x + 3

The equation of a line in slope-intercept form is

y = mx + c ( m is the slope and c the y-intercept )

rearrange - 2x + 3y = 9 into this form

add 2x to both sides

3y = 2x + 9 ( divide all terms by 3 )

y = \frac{2}{3} x + 3 ← in slope-intercept form


6 0
3 years ago
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