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gtnhenbr [62]
3 years ago
13

Solving an Equation for a Given Variable

Mathematics
2 answers:
skelet666 [1.2K]3 years ago
7 0
What nath is this ??????????
Rom4ik [11]3 years ago
6 0
I think it is that a
You might be interested in
Help me plzz show work plz​
iren2701 [21]

Answer:

B

Step-by-step explanation:

Use the formula for radius and circle circumference.

d=2r \\ \\ C=2\pi r

Since we know the diameter, if we divide that by 2, we can get the radius.

29.5/2=14.75

Now we can plug that value into the circumference formula to get the circumference.

C=2(14.75)\pi \\ \\ C=29.5\pi \\ \\ C=93

*Since we're rounding to the nearest inch.

7 0
3 years ago
A cheetah ran 300 feet in 2.92 seconds. What was the cheetah’s average speed in miles per hour? Show your work.
Alchen [17]
You would divide the cheetahs distance which is 300 feet  by the cheetahs time which is 2.92 seconds 
distance÷time 
300÷2.92= 102.7 seconds or 103 seconds if you round up 
the cheetahs speed is 102.7 seconds or 103 seconds 

5 0
3 years ago
Evaluate the expression for the given value 3a^2 + 6b^3. a=3 b=2​
steposvetlana [31]

Answer:

5. is the answer

Step-by-step explanation:

5 0
3 years ago
Determine the constant of proportionality,k,of Kevin’s wage.
ankoles [38]

Answer:

Kevin's constant of proportionality,k = $8.25 per hour

Greg's constant of proportionality,k = $9 per hour

Savannah's constant of proportionality,k = $9.5 per hour

Step-by-step explanation:

1. What is the constant of proportionality, k, of Kevin's wage? Greg's? Savannah's?

Solution

y = kx is a proportional variation

Where,

y and x are represent two different variables

k represent constant of proportionality

From the attached table,

Let

y = wages earned (in dollars)

x = hours worked

To find the constant of proportionality k of Kevin's wage, divide the variable y (total earned) by the variable x (number of hours)

Using any points on the table

Take (8,66.00) for example

constant of proportionality k of Kevin's wage = variable y (total earned) / variable x (number of hours)

= 66.00/8

= 8.25

k = $8.25 per hour

B. Constant of proportionality of Greg's wage = variable y (total earned) / variable x (number of hours)

Using (9, 81.00)

k = 81.00/9

= 9

Greg's k = $9 per hour

C. Constant if proportionality of Savannah's wage = variable y (total earned) / variable x (number of hours)

Using (6, 57.00)

k = 57.00/6

= 9.5

Savannah's k = $9.5 per hour

Therefore,

Kevin's constant of proportionality,k = $8.25 per hour

Greg's constant of proportionality,k = $9 per hour

Savannah's constant of proportionality,k = $9.5 per hour

7 0
3 years ago
3.8,3.789,3,3 41/50 from greastest to least
9966 [12]
3   3.789   3.8    3 41/50
is least to greatest

8 0
3 years ago
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