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Annette [7]
2 years ago
8

Solve the equation

Mathematics
1 answer:
motikmotik2 years ago
3 0

Answer:

D

Step-by-step explanation:

\frac{1}{2} (2x + 2) - \frac{1}{4} (3x - 1) = 15

multiply through by 4 ( the LCM of 2 and 4 ) to clear the fractions

2(2x + 2) - (3x - 1) = 60 ← distribute parenthesis and simplify left side

4x + 4 - 3x + 1 = 60

x + 5 = 60 ( subtract 5 from both sides )

x = 55

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calculate 4.5 times 10^negative 2 divided by 8.3 times 10^negative 4 by using scientific notation and the product rule. round an
Degger [83]

Answer:

5.4217 • 10¹

Step-by-step explanation:

4.5 • 10⁻² ÷ 8.3 • 10⁻⁴

450 ÷ 8.3

54.21686...

54.217

5.4217 • 10¹

I hope this helps

6 0
3 years ago
A bird flies 2/3 of a mile per minute. How many miles per hour is it flying?
Snowcat [4.5K]

Answer:

40 MPH (Miles Per Hour)

Step-by-step explanation:

Well i will put it in simple terms. Put 2/3 into a decimal point, which for this fraction is 0.66666666667 (the 6 is infinite basically). Then you multiply it by 60, because you know it goes in that distance in one minute and 60 minutes makes a hour, which equals 40. So the answer is 40 MPH.

6 0
4 years ago
If you roll a six-sided die, what is the probability that you will obtain a number greater than 2
Iteru [2.4K]

thee are 6 numbers on a die

 4 are greater than 2

 so you would have a 4/6, reduced to 2/3 probability

6 0
4 years ago
Need help ASAP! due soon!!!!
PilotLPTM [1.2K]

Answer:

Its A And D Hope This Helps

5 0
3 years ago
−z + 26 = 12 what is Z
quester [9]

Answer:

z = 14

Step-by-step explanation:

subtract 26 from both sides to isolate the variable, you should get: -z = -14

then divide both side by the negative sign, so you should get: z = 14

5 0
3 years ago
Read 2 more answers
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