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Mekhanik [1.2K]
2 years ago
15

) A store is having a 30% off sale. Michelle uses the expression 0.7p and Stuart uses the expression p-0.3p. Who is using the co

rrect expression?
Mathematics
1 answer:
Aleonysh [2.5K]2 years ago
3 0

Answer:michelle

Step-by-step explanation: it is 70% of the cost since it’s 30% of the original

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What is the reciprical of 200 and 450​
Bad White [126]

Answer:

Part a) \frac{1}{200}

Part b) \frac{1}{450}

Step-by-step explanation:

we know that

A reciprocal of a rational number  \frac{p}{q}  is obtained by changing the numerator and denominator, so the numerator becomes the denominator and the denominator becomes the numerator obtaining  \frac{q}{p}

Part a) we have

200

we know that

the given number can be expressed as \frac{200}{1}

so

changing the numerator and denominator

The reciprocal is equal to \frac{1}{200}

Part b) we have

450

we know that

the given number can be expressed as \frac{450}{1}

so

changing the numerator and denominator

The reciprocal is equal to \frac{1}{450}

3 0
3 years ago
What is 5.1 x 10^-1 as an ordinary number?
Nesterboy [21]
10^-1  = 0.1

so its 5.1 * 0.1 =  0.51
7 0
3 years ago
The quadratic function modeling the height of a ball over time is symmetric about the line , where t is time in seconds. Which s
Rashid [163]

Answer:

A. The height of the ball is the same after 1 second and 3 seconds.

Step-by-step explanation:

The quadratic equation function modeling is used to analyze the relationship between variables in the equation. If the ball is at height and t is time then the ball is on symmetric line which will move for initial 1 second then stabilizes at 3 seconds.

3 0
3 years ago
PLEASEE HELP ANYONE
Diano4ka-milaya [45]
There are two blue marbles so you have a 2/8 probability of drawing a blue marble on each draw since the marble is replaced after the first draw. 2/8 can be simplified to be 1/4 and then converted to be 0.25 per draw. 0.25 plus 0.25 equals 0.5. Since we are dealing with percentages multiply 0.5 x 100 which equals 50. Now take 50 and divided by the total number of marbles in the bag which is 8. 50 divided by 8 equals 6.25. So it would be about 6%.
8 0
3 years ago
Ben drinks tea at an incredible rate. He drinks 3.5 loiters of tea every 2/3 of an hour. How many of liters of tea does he drink
zysi [14]
First divide 3.5 by 2 which equals 1.75. Then do 1.75*3 which equals 5.25. So he drinks 5.25 liters in one hour.
6 0
3 years ago
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