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Nikitich [7]
2 years ago
13

A piano teacher gives lessons that are each Three-fourths hour long. How many piano lessons can the teacher fit into a 12-hour w

ork day? Assume no breaks are taken in the 12 hour period.
Mathematics
2 answers:
tino4ka555 [31]2 years ago
3 0

Answer:

16 lessons

Step-by-step explanation:

12 divided by .75 = 16

Edgar Ramirez2 years ago
0 0

3/4 x 12/1 = 36/4
36 / 4 = 9
Answer is 9

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4x + 5y = 12 and 3x + 4y = 9.25 . Solve for systems of equations
masha68 [24]

Answer:

y=1

x=7/4

Step-by-step explanation:

4x + 5y = 12

3x + 4y = 9.25

4x + 5y = 12

12x + 16y =37

-12x -15 y =-36

12x + 16y =37

y=1

x=7/4

8 0
3 years ago
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What angle measure is complementary to 87 degrees?
Papessa [141]
I’m pretty sure it’s 93. since a complementary angle is equal to 180, 87 + 93 = 180
3 0
2 years ago
Use < >, or = to compare the following decimals.
Contact [7]

Answer:

0.32, 0.45, 0.76.

Step-by-step explanation:

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4 0
2 years ago
At 2:00 p.m. two cars start toward each other from towns 240 miles apart. If the rate of one car is 10 mph faster than the other
Juli2301 [7.4K]
Let’s call the speed of the slower car S, then the speed of the other is S+10mph.
At 5pm they have been travelling for 3 hours. The slower car travels a distance 3S and the faster one 3(S+10).
But the two distances must add up to 240 miles so 3S+3(S+10)=240, 3S+3S+30=240, 6S=210, S=35 mph. The faster car’s speed is 45mph. We can see that 3S is the same distance as 3x, so x=S=35 mph, and the distance the faster car travels is 3×45=135 miles.
5 0
3 years ago
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An equivalent expression for 12x+1 and 2(2x+5) please help​
zhannawk [14.2K]
<h2>Answer:</h2>

8x+9

<h2>Step-by-step explanation:</h2>

12x+1 = 2(2x+5)

<h3><em><u>Handle the brackets first</u></em></h3>

12x+1 = 4x+10

<h3><em><u>Collect like terms</u></em></h3>

=8x+9

3 0
3 years ago
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