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lesya [120]
3 years ago
15

Customers of a phone company can choose between two service plans for long distance calls. The first plan has a $24 monthly fee

and charges an additional $.13 for each minute of calls. The second plan has no monthly fee but charges $.17 for each minute of calls. For how many minutes of calls will the cost of the two phone plans be equal
Mathematics
1 answer:
pentagon [3]3 years ago
3 0

Answer:

600 minutes

Step-by-step explanation:

Let's make the two equations equal to each other.

24 + .13x = .17x

Subtract .13x from both sides.

24 = .17x - .13x

24 = .04x

Divide by .04 on both sides to get the value of x.

24/.04 = 600

x = 600

Therefore, for 600 minutes of calls will the cost of the two phone plans be equal.

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Find the radius of a sphere with a volume of 2, 304π cubic feet.
swat32

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it says 8.193 ft

Step-by-step explanation:

7 0
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Paul was thinking of a number. Paul divides by 7 then adds 1 to get an answer of 10. Form an equation with x from the informatio
Vitek1552 [10]

Answer:

x/7 + 1 = 10

Step-by-step explanation:

x/7 + 1 = 10

4 0
3 years ago
Question
meriva

Question:

In a neighbourhood pet show, each of the animals entered is equally likely to win. if there are 7 dogs, 6 cats, 3 birds, and 2 gerbils entered, what is the probability that a bird will win the top prize?

Answer:

Probability that a bird will win the top prize is 0.167

Step-by-step explanation:

Given:

The number of  dogs  = 7

The number of  cats = 6

The number of  birds  = 3

The number of gerbils = 2

To Find:

Probability that a bird will win the top prize = ?

Solution:

Let us first find the total number of  pets .

The Total number of pets = 7 + 6 + 3  + 2 =  18

Now the probability of  a bird will win the top prize is

=> \frac{\text {Number of birds}}{\text{ Total number of pets}}

=>\frac{3}{18}

=> \frac{1}{6}

=>0.167

4 0
3 years ago
In ΔNOP, the measure of ∠P=90°, PO = 77, NP = 36, and ON = 85. What ratio represents the cosine of ∠N?
Usimov [2.4K]

Answer:

36:85

Step-by-step explanation:

Given the right angled triangle as shown in the attachment, the cos of angle N can be gotten by simply using the CAH method in SOH CAH TOA.

According to CAH

Cos∠N = Adjacent/Hypotenuse

Hypotenuse is the longest of the triangle |ON| = 85

Since the opposite side to ∠N is 77, the third side will be the Adjacent side.

Adjacent side will be |NP| = 36

Therefore:

Cos∠N = 36/85

The ratio that represents the cosine of ∠N is 36:85

3 0
2 years ago
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