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olga2289 [7]
3 years ago
10

Nico practiced drums 1.5 fewer hours than he practiced piano. If Nico practiced the piano for 4 hours, how many hours did Nico p

ractice the drums
Mathematics
1 answer:
Strike441 [17]3 years ago
5 0

Answer:

2.5 hours

Step-by-step explanation:

4 - 1.5 = 2.5

You must subtract 1.5 from the amount of hours he plays piano, which is 4. This is because he spends 1.5 hours less playing drums than he does playing piano.

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William just got hired for a new job and will make \$78,000$78,000 in his first year. William was told that he can expect to get
ASHA 777 [7]

Answer:

$162,000

Step-by-step explanation:

I hope this is help

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2 years ago
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Three numbers X, Y, and Z are in the ratio 2:7:8. If 12 is subtracted from Y, then three numbers form a geometric sequence (in t
Dimas [21]
A geometric sequence is a sequence in which there is a common ratio between any two consecutive terms. In this case if X:Y:Z are in the ratio of 2:7:8 the multiplying by a constant k, we have X=2k, Y= 7k and Z=8k.
Then if  X, Y-12, Z form a Geometric sequence, it means X/Y-12=Y-12/Z which is the same as 2k/7k-12=7k-12/8k if we cross multply, we get
   16k²= 49k²-168k +144
  33k²-168k+144 =0 solving for k
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3 0
3 years ago
A pair of shoes are on sale for 25% off their regular price of $180. Students at Pikesville Middle can get an additional 10% off
Nikolay [14]

Answer:

$121.5

Step-by-step explanation:

$180 × 0.25 = $45 <-- because it is a discount, we will subtract

$180 - $45 = $135 <-- price with 25% discount

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4 0
2 years ago
1/10x+9/10=1/10(BLANK)
Sonja [21]

Answer:

x=-8

Step-by-step explanation:

1 Simplify 1/10x to x/10.

x/10 + 9/10 = 1/10

2 Join the denominators.

x+9/10 = 1/10

3 Multiply both sides by 10.

x+9 = 1/10×10

4 Cancel 10.

x+9=1

5 Subtract 9 from both sides.

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6 Simplify  1-9 to  -8.

x=-8

4 0
2 years ago
3x+3y=-3 solve using the elimination
timofeeve [1]

Simplifying

3x + 3y = -3

Solving

3x + 3y = -3

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-3y' to each side of the equation.

3x + 3y + -3y = -3 + -3y

Combine like terms: 3y + -3y = 0

3x + 0 = -3 + -3y

3x = -3 + -3y

Divide each side by '3'.

x = -1 + -1y

Simplifying

x = -1 + -1y

5 0
3 years ago
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