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Oksi-84 [34.3K]
3 years ago
6

Two communications companies offer calling plans. With Company X, it costs 30¢ to connect and

Mathematics
1 answer:
sesenic [268]3 years ago
7 0

Answer:

D

Step-by-step explanation:

      you can model the amount that each phone plan will cost after n    minutes with these linear equations

                company X: 30 + 5n

                company Y: 20 + 4n

if you subtract the functions you can get the function for the

30 + 5n - ( 20 + 4n )

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Help need answers asap
Rasek [7]

Answer:

x = 25

y = 6

Step-by-step explanation:

< B = < M

2x - 20 = 30

2x = 50

<u>x = 25</u>

AB = LM

7y - 8 = 2y + 22

5y = 30

<u>y = 6</u>

7 0
3 years ago
A sphere has a diameter of 12 ft. What is the volume of the sphere? Give the exact value in terms of Pi.
sesenic [268]

Formula of volume of a Sphere is : V = 4/3 πr³

Here, Diameter (2r) = 12, so radius (r) = 12/2 = 6 feet

Substitute it into the formula,

V = 4/3 π(6)³

V = 4/3 *216π

V = 288π Ft² [ Answer in the term of π ]

You can also solve it for numeral value by substituting the value of π = 22/7

V = 288 * 22/7 = 905.15 Ft² [ Answer in numbers ]

5 0
3 years ago
Read 2 more answers
Evaluate 8-m/m+p3 when m=8 n=2 p=7
seropon [69]

Answer:

28

Step-by-step explanation:

8 - 8 / 8 + 7 *3

PEMDAS

8 - 1 * 7 - 3

8 - 1 + 21

28

3 0
3 years ago
Which table shows a constant rate of change <br><br> please answer!
lys-0071 [83]

Answer: Feet to yards, all other are inconsistent.

Step-by-step explanation:

3 0
3 years ago
Matthew made slightly larger blanket that was 8 Ft long. Its area is 64 sq ft what is its perimeter?
Andreas93 [3]

Answer:

32 ft

Step-by-step explanation:

Given data

Length= 8ft

Area= 64 f^2

Let us find the width

Area= Length*Width

64= 8* Width

Width= 64/8

Width= 8ft

Hence the perimeter= 2L+2W

P= 2*8+2*8

P= 16+16

P= 32 ft

5 0
3 years ago
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