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3 years ago

8

Mrs. Decker walks for 30 minutes each day as often as possible. What is an equation that relates the number of days d that Mrs.

Decker walks and the number of minutes m that she spends walking?

1 answer:

Triss [41]3 years ago

5 0

Since she spends 30 minutes/day walking, the total number of minutes can be represented by 30 minutes for each day or 30*amount of days=30*d

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Bethany and Aidan each have candy bars that are the same size and shape. Bethany's candy bar is marked so that it can be broken

vivado [14]

Answer:

Step-by-step explanation:

This problem is most likely about what percentage of the candy does each individual have left. Since the phrase is explaining that each ones candy bar is the same size and can be broken into equally divided pieces then it is most likely about figuring out which one of the individual's has more candy left over when compared to the other's candy. This is possible since both candies are the same size but more information would be needed.

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3 years ago

For the set = {2,4,6}, determine n(A)

Katyanochek1 [597]

Answer:

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Step-by-step explanation:

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3 years ago

"what is the binary equivalent of the decimal value 97?"

AleksandrR [38]

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4 years ago

A movie collector has 105 movie posters and 90 band posters if she sells 21 movie posters then how many band posters should she

kotykmax [81]

Hi there! :)

<u>Answer:</u>

In order to maintain the same ratio, she should sell 18 band posters.

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

<u>Initial ratio:</u>

Ratio is: 105 movie posters for 90 band posters = <u>105 : 90</u>

She sells 21 movie posters, which means that we are left with 105 movies minus the 21 she sold.

105 - 21 = 84 → She now has <u>84</u> movie posters.

In order to answer your question, you'll need to use the cross product method:

105 movie posters → 90 band posters

84 movie posters → X

<u>(90 × 84)</u> ÷ 105 = X

<u>7,560 ÷ 105</u> = X

72 = X ⇒ Number of band posters she should have left to maintain the same ratio.

She has 90 band posters :

90 <u>- X</u> = 72

Add "X" to each side of the equation → 72 + X = 72 + X

90 = <u>72</u> + X

Subtract 72 from each side of the equation → 90 - 72 = 18

<u>18 = X</u>

There you go! I really hope this helped, if there's anything just let me know! :)

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4 years ago

What is the general term equation, an, for the arithmetic sequence 9, 5, 1, −3, . . . , and what is the 21st term of this sequen

marin [14]

Hello :
<span>the general term equation, an, for the arithmetic sequence is :
An = A1+d(n-1)
A1 : the first term and : d the common diference
in this exercice :
A1 = 9
d =(-3)-(1) =(1)-(5) =(5) -(9) = -4
An = 9-4(n-1)
An = -4n +13</span>

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3 years ago