3 years ago

I’ll give brainliest

Mathematics

2 answers:

Rina8888 [55]3 years ago

5 0

The picture is kind of blurry and I can’t make out the formulas. /:

Elina [12.6K]3 years ago

4 0

Answer:

The picture is kind of blurry and I can’t make out the formulas.

Step-by-step explanation:

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The half life of a drug in the bloodstream is 18 hours. What fraction of the original drug dose remains in 36 hours? in 72 hours

xxTIMURxx [149]

Answer:

1/4 in 36 hours

1/8 in 72 hours

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3 years ago

Josh and Lucy share some money in the ratio 3:7. What fraction of the money does Josh receive?

svetlana [45]

Answer:

3/10ths of the money

Step-by-step explanation:

Add together the two numbers to get the total.

Josh gets 30 percent and Lucy gets 70 percent.

3/10

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3 years ago

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Can someone please help me? I just need to get the variable alone to see what it equals, if it doesn’t have a solution, or if it

love history [14]

Answer:

the answer would be p= -4

13-3p = -5(3+2p)

13-3p = -15-10p

13 = -15-7p

28 = -7p

p = -4

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3 years ago

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A group of three friends order a combo meal which includes two slices of pizza and a drink. Each drink is priced at $2.50. If th

Fittoniya [83]

Answer:

Step-by-step explanation:

2.5(3)

31.5-(2.5*3)

31.5-7.5

24/3=8

$8 per slice

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3 years ago

Graph 3x + y = -2 .................................................

nikdorinn [45]

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Answer:

see attached

Step-by-step explanation:

A graphing calculator does this very nicely.

The intercepts can be found by setting the other variable to zero and dividing by the coefficient of the variable of interest. This tells you the x-intercept is -2/3, and the y-intercept is -2/1 = -2. The y-intercept is conveniently on a grid point. To find other grid points on the line, it is convenient to choose integer values for x, then solve for y.

y = -3x -2

Positive values for y will require negative values of x.

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3 years ago