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galina1969 [7]
2 years ago
10

Please help

Mathematics
1 answer:
zheka24 [161]2 years ago
3 0
The answer is C

O,p,m,q,n
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The base parking charge at a mall on a Sunday is $2 per hour. If a vehicle is parked for 4 hours, only $6 is charged. What perce
chubhunter [2.5K]
2 dollars = 1 hour
8 dollars = 4 hours
she paid 6 dollars so the amount saved = 8-6 = 2 dollars
percentage saved = \frac{2}{8} × 100
percentage saved = 25%

7 0
3 years ago
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On a given planet, the weight of an object varies directly with the mass of the object. Suppose that an object whose mass is 7 k
Airida [17]

Answer:

21 N

Step-by-step explanation:

let mass be m and weight be w

Given w varies directly with m then the equation relating them is

w = km ← k is the constant of variation

To find k use the condition m = 7 , w = 49 , then

49 = 7k ( divide both sides by 7 )

7 = k

w = 7m ← equation of variation

When m = 3 , then

w = 7 × 3 = 21 N

3 0
2 years ago
Plz help with these fast!
larisa [96]

Answer:

7⁴ is 2401

1⁵ is 1

Step-by-step explanation:

7x7x7x7 is 2,401

1x1x1x1x1 is 1

7 0
3 years ago
Why can't you use the product of powers rule to simplify<br> this expression? Explain.<br> 3^4•2^8
MAVERICK [17]

To use the product of powers rule, the powers must have the same base. In this expression, the bases are 3 and 2, which are different, so the rule does not apply.

6 0
2 years ago
Jessica had a bag of candies. She gave 1/8 of her candies to judy. Then jessica gave 3/7 of the candies she had left to Reggie.
AlexFokin [52]

Answer:

Jessica had 32 candies at the beginning.

Step-by-step explanation:

Let the number of candies Jessica had at the beginning be x.

Candies gives to Judy = \frac{1}{8}x.

Now, candies left with Jessica is x-\frac{1}{8}x=\frac{7x}{8}.

Candies given to Reggie is \frac{3}{7} of \frac{7x}{8}.

∴ Candies with Reggie is \frac{3}{7}\times\frac{7x}{8}=\frac{3x}{8}.

Candies left with Jessica after giving to Reggie = \frac{7x}{8}-\frac{3x}{8}=\frac{4x}{8}.

Now, Jessica lost 75% of what she had left. So, 75% of \frac{4x}{8}.

∴ Candies lost = \frac{75}{100}\times\frac{4x}{8}= \frac{3x}{8}

Now, candies left with Jessica = \frac{4x}{8}-\frac{3x}{8}=\frac{x}{8}.

As per question,

Candies left with Jessica at last is 4. So,

\frac{x}{8}=4

x=32

Hence, Jessica had 32 candies at the beginning.

6 0
3 years ago
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