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DerKrebs [107]
3 years ago
15

Cell phone company charges$50 for an 800-minute monthly plan, plus an additional $0.22 per minute for every minute over 800. if

a customer's bill ranged from a low of $67.16 to a high of $96.86 over a 6-month period, what were the most minutes used in a single month
Mathematics
1 answer:
pentagon [3]3 years ago
3 0
The most used minutes in a moth is 1013.
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Kiran’s niece is 17 years younger than Kiran. Create an expression where x is Kiran’s age.
nadezda [96]

Answer:

x-17= Kiran's naive age

7 0
2 years ago
Solve the inequality and express in interval notation and graph its solution on a number line
vfiekz [6]

Answer:

x ∈ (-∞, 3) U (6, ∞).

Step-by-step explanation:

x^2> 9x - 18

x^2 - 9x + 18> 0

We use factorization and optain

(x-6)(x-3)> 0

Then, we have two critical points: x=3 and x=6. Now:

(i) for x < 3 we have that x-6 <0 and x-3 <0. Then (x-6)(x-3)  > 0.

(ii) for 3 < x < 6 we have that x -6 <0 and x -3 > 0. Then (x-6)(x-3)  < 0.

(iii) for x > 6 we have that x-6 >0 and x-3 > 0. Then, (x-6)(x-3)  > 0.

conditions (i) and (iii) satisfy the inequatliy, then the solution is x ∈ (-∞, 3) U (6, ∞).

The graph is in the picture below.

7 0
3 years ago
the sum of a tree digit number and a one digit number is 160.The product of the two numbers is 624.Whatare the two numbers
Marrrta [24]
The two #'s are 156 and 4.
When you multiply 156*4=624.
When you add them together 156+4=160
You can also check you're work using a calculator.
4 0
3 years ago
Read 2 more answers
9=7+a a+8=b+5 value of b
kvv77 [185]
B is 5, you can solve this by first finding the value of a, which is 2, and then plug it into the other equation. 8+2=10 so we must also make the other side 10. We then do 10-5=5, 5 is the value of b
5 0
3 years ago
Find the volume of the pyramid. The base is an isosceles triangle with a base of 7/3 meters and height of 15/2 meters. The heigh
Mars2501 [29]

Answer:

14 m³

Step-by-step explanation:

the volume of pyramid = ⅓× base area × height

= ⅓ × (½×7/3 × 15/2) × 24/5

= (7×15×24)/(3×2×3×2×5)

= 2520/180

= 14 m³

5 0
2 years ago
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