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Gelneren [198K]
2 years ago
13

The table shows the number of minutes Jalen talks on his mobile phone and the cost of the phone calls. Jalen's Mobile Phone Cost

Number of minutes, X 150 220 250 275 x Cost, y $7.50 $11.00 $12.50 $13.75 If the cost varies directly with the number of minutes Jalen talks on the phone, which equation represents the variation? O y = 0.05% O y = 20x O y = 157.58 O y = 1125x Save and Exit Net Submit Mark this and return​
Mathematics
1 answer:
Dima020 [189]2 years ago
4 0

Answer: y=0.5x

Step-by-step explanation: hope this would be helpful ∵∵∵∵∵∵∵∵∴∴∴∴∴∴∴∴∴

THUNDERBOLT
2 years ago
it's 0.05.
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Which polynomial is in standard form?
kirill115 [55]

Answer:

2x^3 +4x^2 -7x+5

Step-by-step explanation:

Polynomial 2x^3 +4x^2 -7x+5 is in standard form as it is written in descending order of their powers.

8 0
3 years ago
List ALL the factors of 13 in increasing order. In this question, what does increasing order mean?
kozerog [31]

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6 0
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Preston has a car washing business. Last year he washed 20 cars a week. This year, he washed 1,200 cars. How many more cars did
kakasveta [241]

Answer:

He washed 160 more cars this year than last year.

Step-by-step explanation:

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This year:  He washed a total of 1,200 cars.

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7 0
3 years ago
Help with this problem please!
exis [7]
1. To solve for x, you can see that nearby C and D, the two angles are equal. We can ,therefore, make an equation and solve it:
5x - 29 = 3x + 19
- 3x
2x - 29 = 19
+ 29
2x = 48
÷ 2
x = 24

2. So for this part you would substitute the value of x and then minus that angle from 180:
3 × 24 = 72
72 + 7 = 79°
180 - 79 = 101° = ∠1

3. 180 = 101 = 79° = ∠2

4. 180 - 79 = 101° = ∠3

5. Angle 4 is equal to angle 3 because there is an alternate angle (z angle) so 101° = ∠4

6. 180 - 101 = 79° = ∠5

7.  180 - 101 = 79° = ∠6

8. To find angle 7, you have to substitute in x again, so:
5 × 24 = 120
120 - 29 = 91
180 - 91 = 89° = ∠7

9. Angle 8 is the same as angle 7 because they are opposite angles, so 89° = ∠8

10. Angles 2 and 3 are supplementary, which means they add up to 180°.

I hope this helps! :)

4 0
3 years ago
6.25% of 1200 is what number
Masja [62]

Answer:

75

Step-by-step explanation:

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3 years ago
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