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BaLLatris [955]
2 years ago
6

3 plus 6 times the number of white marbles for a total of 15

Mathematics
1 answer:
Anton [14]2 years ago
5 0
The problem is 3+6x = 15 with x being the number of white numbers.
Isolate variable by subtracting 3 on both sides:     6x = 12.
Isolate variable by dividing 6 on both sides:          x = 2
The number of white marbles is 2.
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What is percent change from $18 to 28$? Round to nearest tenth place​
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Answer:

35.2%

Step-by-step explanation:

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PLEASE HELP ME PLEASE PLEASE I NEED YOUR HELP PLEASE HELP ME Which of these expressions demonstrates the identity property? Chec
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Step-by-step explanation:

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3 0
2 years ago
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You have a gift card for a coffee shop worth $90. Each day you use the card to get a coffee for $4.10. Write an explicit formula
Fiesta28 [93]

Answer: The value of the card after you buy your 8th coffee will be $61.3

Step-by-step explanation:

The worth of the gift card for the coffee shop is $90. Each day you use the card to get a coffee for $4.10. This means that the worth of the gift card is reducing by $4.10 each day. This rate is in arithmetic progression.

The formula for the nth term of an arithmetic sequence, Tn is expressed as

Tn = a + (n-1)d

Where a is the first term

d is the common difference

n is the number of days

From the information given,

a = $90

d = - $4.1

The explicit formula representing the amount of money available will be

Tn = 90 - 4.1(n - 1)

The value of the card after you buy your 8th coffee will be

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7 0
3 years ago
What is answer to -14r-19=303
zubka84 [21]
-14r = 303 + 19
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\boxed{\huge{\sf{r=-23}}}
4 0
3 years ago
The coordinates of one vertex of this triangle are (–2, 2). If the triangle is translated 3 units to the left and 5 units down,
Romashka-Z-Leto [24]

Answer: (-5,-3)

Step-by-step explanation:

first you must know left and right is the x-axis while you and down is 4-axis, down and left is subtraction, right and up is addition

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now 5 units down would be the y-axis and subtracting, 2-5= -3

finally your answer will be (-5,-3)

7 0
3 years ago
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