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earnstyle [38]
2 years ago
10

-1/3x+1=-7 negative one third x plus one equals negative seven

Mathematics
2 answers:
liraira [26]2 years ago
4 0
Multiply both sides by -3 to get rid of the negative and the fraction.

X - 3 = 21

Move the constants over to isolate the variable

X = 24
Vera_Pavlovna [14]2 years ago
4 0
Answer:
x=24

Solving:

-1/3x + 1 = -7
- 1 -1
-1/3x = -8
3(-1/3x) = 3(-8)
-1x = -24
x = 24
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the ratio of pennies to quarters in a piggy bank is 14:3. if there are 51 quarters in the bank, how many pennies are there
malfutka [58]

The number of pennies in bank is 42

<em><u>Solution:</u></em>

Given that ratio of pennies to quarters in a piggy bank is 14 : 3

Let 14x be the number of pennies in piggy bank

Let 3x be the number of quarters in piggy bank

<em><u>To find: number of pennies</u></em>

Given that there are 51 quarters

number of pennies in piggy bank + number of quarters in piggy bank = 51

14x + 3x = 51

17x = 51

x = 3

number of pennies = 14x = 14(3) = 42

Thus the number of pennies in bank is 42

4 0
2 years ago
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3 0
3 years ago
Read 2 more answers
What is the equation of a line passing through (-3,7) and having a slope of -1/5?
g100num [7]
We'll use the slope-intercept form y = mx + b. Where m is the slope and b is the y-intercept.

We know the slope, -1/5. Now the equation looks like y = (-1/5)m + b

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7 = (-1/5)(-3) + b
7 = 0.6 + b
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So, the y-intercept will be at 6 2/5.
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postnew [5]

Answer:

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Step-by-step explanation:

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7nadin3 [17]

Answer: I believe the answer is 3.3 x 10^8

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1 year ago
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