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gizmo_the_mogwai [7]
4 years ago
10

A cell phone plan charges $15 per month for 300 text messages. The plan charges eight cents for each additional text message. Yo

u use 60 additional text this month. What is your bill for the month
Mathematics
1 answer:
leva [86]4 years ago
8 0
$19.80 hope this helps!
You might be interested in
Help me solve this problem please
lara31 [8.8K]

Answer:

CD = 45

Step-by-step explanation:

CE = 180

( x + 6 ) + ( 4x - 21 ) = 180

5x - 15 = 180

5x = 195

x = 39

substitute x in CD

CD = x + 6

CD = 39 + 6

CD = 45

5 0
3 years ago
for two positive integers a and b, we know g c d (a comma b )equals 15 comma space l c m (a comma b )equals 90, what is a b?
Scilla [17]

Two positive integers have gcd (a, b) = 15 and lcm (a, b) = 90. Those two numbers are 15 and 90 or 30 and 45.

Suppose we have 2 positive integers, a and b, then:

gcd (a, b) = the greatest common divisor = common prime factors of a and b

lcm (a, b) = the least common multiple = multiplication of the greatest common prime factors of a and b

In the given problem:

gcd (a, b) = 15

prime factorization of 15:

15 = 3 x 5

Hence,

a = 3 x 5 x ....

b = 3 x 5 x ....

lcm (a, b) = 90

prime factorization of 90:

90 = 3 x 5 x 2 x 3

Therefore the possible pairs of a and b are:

Combination 1:

a = 3 x 5 = 15

b = 3 x 5 x 2 x 3 = 90

Combination 2:

a = 3 x 5 x 2 = 30

b = 3 x 5 x 3 = 35

We can conclude the two integers are 15 and 90 or 30 and 45.

Learn more about gcd here:

brainly.com/question/16969353

#SPJ4

6 0
1 year ago
A cylindrical container of potatoes has a diameter of 10 cm and a height of 9 cm. Find the volume of the container of potatoes.
seraphim [82]
V=<span>πr^2h
V=</span><span>π(5^2)(9)
V=</span><span>π(25)(9)
V=225</span><span>π
i hope this helps!</span>
7 0
3 years ago
Does any one know 7,8???
Lady_Fox [76]

Answer:

7. (7^2)(4^2) or 49 * 16

8.18^5

Step-by-step explanation:

7. You can do that or simplify the exponents.

8. When dividing two exponents you can subtract the exponentes. *(note i didn't simplify 18^5 because it said expression, and a simplified number is not an expression.)

5 0
3 years ago
Read 2 more answers
Find the value of given expression <br><br>=》<br><img src="https://tex.z-dn.net/?f=%20%5Csqrt%7B901%20-%205%20%2B%204%7D%20" id=
Hitman42 [59]

Step-by-step explanation:

Answer is 30 I hope this help you

6 0
3 years ago
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