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ivann1987 [24]
3 years ago
10

X = (y + 3) / 12 solve for y

Mathematics
1 answer:
slega [8]3 years ago
8 0

Answer:

y = 12x-3

Step-by-step explanation:

X = (y + 3) / 12

Multiply each side by 12 to clear the fraction

12 x = (y+3)/12 *12

12x = y+3

Subtract 3 from each side

12x -3 = y+3-3

12x-3 =y

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Seven pieces of cardstock sell for $3. Tanesha spends $57 on cardstock. How many pieces of cardstock does Tanesha buy?
Helen [10]

Hey there! :)

Answer:

133 pieces.

Step-by-step explanation:

If 7 pieces of cardstock sell for $3, we can set up a proportion to determine the amount of pieces bought in pieces/ money spent:

\frac{7}{3} = \frac{x}{57}

Cross multiply:

7 · 57 = 3 · x

399 = 3x

Divide both sides by 3:

x = 133 pieces. This is the amount of pieces bought.

8 0
3 years ago
USE DISTANECE= RATE * TIME
torisob [31]
A]
D=R×t
d=5.8r
d2=5.1(r+7)
0.7r=35.7
r=51 mi/hr
thus the average speed on the outbound trip would be:
51+7=58 mi/hr

b]
let speed of fishing boat=x km/h
speed of cruise ship=(x+12.5) km/h
distance traveled by fishing boat=11.5×x=11.5x km
distance traveled by cruise ship=(x+12.5)×11=(11x+137.5) km
Total distance covered by the ships:
11.5x+11x+137.5=322
22.5x=322-137.5
22.5x=184.5
thus
x=184.5/22.5
x=8.2 km/h
The speed of fishing boat is 8.2 km/hr





4 0
3 years ago
Read 2 more answers
Determine the slope intercept form of the equation of the line through the given points:
Mars2501 [29]

Answer:

5/-6

Step-by-step explanation

use rise/run to get 4-(-1)/-5-1 to get 5/-6

3 0
3 years ago
On a social studies test, James scored a 2025, Jules earned an 81%, and Scott scored a 0.815. Who earned the highest grade? Just
vlabodo [156]

Answer:

scott earned higher that jules because 81% is 0.81, but the 2025 makes no sense because it does not show a total.

Step-by-step explanation:

4 0
3 years ago
Write the number with the same value as 28 tens.. <br> ​
ZanzabumX [31]

Answer:

280 ones

Step-by-step explanation:

5 0
2 years ago
Read 2 more answers
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