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3 years ago

8

Mary takes 9 grapes from rohin and then decides to give 4 back write and subtraction problem to describe how many grapes rohin h

as

1 answer:

Sav [38]3 years ago

3 0

Answer:

she had 4

Step-by-step explanation:

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What is -2 + 7x = 12

8090 [49]

Answer:

easy the answer is

Step-by-step explanation:

-2 + 7x = 12

+2 +2

7x + 14

14 / 7x = 2

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3 years ago

Classify the area of a circle with a radius of 0.75 centimeter seems as either rational or irrational

Mazyrski [523]

Irrational as 0.75 x 0.75 x 3.14......

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3 years ago

Jessie is following a chocolate milk recipe that requires of 2 cups milk and 5 tablespoons of cocoa powder. He wants to make a l

Reika [66]

Step-by-step explanation:

5 tablespoons = 2 cups milk

1 tablespoon = 2/5 cups milk

40 tablespoons = 2/5 × 40 = 16 cups milk

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3 years ago

Meg has 26 toy ponies.She gets 6 more for her birthday.She displays half of them on a shelf and puts the rest in a box.How many

Mazyrski [523]

Answer:

16 ponies are displayed

Step-by-step explanation:

First you need to add 26 and 6 to get 32.Then you need to cut 32 in half or divide it by 2 for your answer.

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3 years ago

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Sofia takes 10mg of a medicine whose concentration in blood decreases by a factor of one half every day. Let t be the number of

adelina 88 [10]

Answer:

$L = 10(\frac{1}{2} )^{t-4}$

Step-by-step explanation:

If t is the number of days since Sofia took the medication of 10 mg, then the amount of medication in her system after t days will be $S = 10(\frac{1}{2} )^{t}$ .

So, the concentration of medicine in blood decreases by a factor of one half every day.

If we count the number of days from today and Lexi takes 10 mg of the same medicine four days later then the amount of medicine left on her body after t days will be $L = 10(\frac{1}{2} )^{t-4}$ . (Answer)

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3 years ago

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