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Gnesinka [82]
3 years ago
11

Find the constant of variation if x and y vary directly and x = 6 when y= -2/3 ?

Mathematics
1 answer:
elena-14-01-66 [18.8K]3 years ago
3 0

Answer:

a.

k= 5/22

Step-by-step explanation:


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What is the y-value when x equals 28? y=310-25(x)
Fofino [41]

Answer:

-390   PLEASE GIVE BRAINLIEST

Step-by-step explanation:

y = 310 - 25(28)

y = 310 - 700

y = -390

5 0
3 years ago
Which expression has the same value as 4x – 3y?
coldgirl [10]

Answer:

4x+(-3y)

Step-by-step explanation:

\\ \rm\longmapsto 4x+(-3y)

  • (-)(-)=(+)
  • (+)(-)=(-)
  • (-)(+)=(-)
  • (+)(+)=(+)

\\ \rm\longmapsto 4x-3y

5 0
2 years ago
6. Which value of x makes the equation below true?<br> 5x - 3 = 11 A. 1.6 B. 2.8 C. 40<br> D. 70
Harlamova29_29 [7]

Answer:

It's B

Step-by-step explanation:

2 times 5 = 10

0.8 times 5=4

10 + 4 =14

14-3=11

8 0
2 years ago
Lucas took his bike to a local park to ride on some bike trail.Trail A is 6 3/4 miles long.Trail B is 8 1/2 miles long. How many
Eddi Din [679]

Answer: Trial B is 1\dfrac{3}{4} miles longer then Trail A.

Step-by-step explanation:

Length of Trail A = 6\dfrac34 miles

= \dfrac{24+3}{4}  miles = \dfrac{27}{4} miles.

Length of Trail B = 8\dfrac12 miles

= \dfrac{16+1}{2} miles = \dfrac{17}{2} miles.

Trial B is longer then Trail A by \dfrac{17}{2}-\dfrac{27}{4} miles

=\dfrac{17\times2}{2\times2}-\dfrac{27}{4} miles

=\dfrac{34}{4}-\dfrac{27}{4} miles

=\dfrac{7}{4} miles

=1\dfrac{3}{4} miles

Hence, Trial B is 1\dfrac{3}{4} miles longer then Trail A.

4 0
2 years ago
For accounting purposes, the value of assets (land, buildings, equipment) in a business are depreciated at a set rate per year.
Fantom [35]

Answer:

V(0)=$537,000

b=0.83

t=9

v (9)=100,386.92

Value after 9 years of depreciation at 17% per year

b = 1- r

b = 1 - 17% b = 0.83

Step-by-step explanation:

V (t)=V(0) (b)^t

V (t) future value ?

Vo present value $537,000

b=0.83

T time =9 years

V (9)=537,000×(0.83)^(9)

v (9)=100,386.92

Value after 9 years of depreciation at 17% per year

b = 1- r

b = 1 - 17% b = 0.83

3 0
1 year ago
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