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lord [1]
4 years ago
8

Your long distance telephone provider offers two plans. Plan A has a monthly fee of $15 and $0.25 per minute. Plan B has a month

ly fee of $20 and $0.05 per minute. Write and solve an equation to find the number of minutes that you must talk to have the same cost for each of the plans.
Mathematics
1 answer:
Alona [7]4 years ago
8 0
Plan A:
15 + .25x

Plan B:
20 + .05x

Equation to solve for number of minutes:
15 + .25x = 20 + .05x

15 + .20x = 20

.20x = 5

X = 25

You need to talk on the phone for 25 minutes to get the same cost.
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Solve for x if the horizontal lines below are parallel.<br> fo
Bas_tet [7]

Answer:

x=82^{\circ}

Step-by-step explanation:

We can draw a perpendicular line through the two parallel lines to create a pentagon (there is an image attached in case you need to see where the line intersects the two parallel lines). Since the angle sum of a pentagon is 540^{\circ}, we can solve for x.

x+140+138+90+90 = 540 (Angle sum of pentagon is 540^{\circ})

x+458=540 (collect like-terms)

x=82^{\circ}

Hope this helps :)

6 0
3 years ago
Miss Jones attended a Southern living home party to purchase the base which cost 34.99 shipping charge was three dollars and 8.2
11111nata11111 [884]

Answer:

41.135

Step-by-step explanation:

$34.99+3 =$37.99

to add sales tax all you got to do is multiple $37.99 to the tax percentage (8.25%) so it's 37.99*8.75% then add the original price back. so it's 37.99*8.75%+37.99=41.124175

if you round to 38 the answer is 41.135

8 0
3 years ago
Find a39 of the arithmetic sequence given a1 = -28 and d = -4.
seraphim [82]

Hello !

a_{n} = a_{1} + (n - 1) \times d

a_{39} =  - 28 + (39 - 1) \times ( - 4) =  - 28 + 38 \times ( - 4) =  - 180

8 0
2 years ago
Find the value of x.<br><br> (x + 4)<br> 147°
larisa86 [58]

Answer:

<h2>x = 29°</h2>

Step-by-step explanation:

From the question the angles lie on a straight line which means that the sum of their angles add up to 180°

Since angles on a straight line add up to 180°

To find the value of x add up all the angles and equate it to 180 to find x

That's

x + 4 + 147 = 180

x + 151 = 180

x = 180 - 151

We have the final answer as

<h3>x = 29°</h3>

Hope this helps you

8 0
4 years ago
Ann​'s car can go 198 miles on 6 gallons of gas. During a drive last​ weekend, Ann used 5 gallons of gas. How far did Ann ​drive
kari74 [83]

Answer:

165 miles

Step-by-step explanation:

brain pls

5 0
3 years ago
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