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vlabodo [156]
2 years ago
6

Meredith works at a blood bank. She needs to write a report of the ratio of type-A blood donated to type-O blood donated, but sh

e lost this month's logs that had the quantities. She knows that last month 25 pints of type-A blood were donated and 42 pints of type-O blood were donated. She remembers that this month 55 pints of type-A blood were donated. If the ratio held true for this month, how can Meredith determine the amount of type-O blood donated?
Mathematics
1 answer:
kari74 [83]2 years ago
6 0

Answer:

uh,

Step-by-step explanation:

42-55=7   7+25=32

32:55

i am sorry if this doesn't help!~

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A frog is hopping along in a straight line. Each hop is twice as far as its previous hop. Its first hop covers 1 inch. After 8 h
torisob [31]
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3 years ago
Choose the correct written expression for 34 – (9 ÷ 3).
Mamont248 [21]

Answer:

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Step-by-step explanation:

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brainliest pls

8 0
2 years ago
Read 2 more answers
Need help please anyone?
poizon [28]

Ok so for part a we're going to use substitution, since both equations have y alone.

Step 1: Use substitution

y = x - 1    y = -x + 3

x - 1 = -x + 3

If you think about it, this makes sense. You're looking for the point where they intersect, and you know that the y coordinate for that point will be the same in both equations. Therefore, we can set the rest of the equations equal to each other. Now we just need to simplify.

Step 2: add x to each side

x - 1 + x = -x + 3 + x

The x's on the right cancel out so we get:

2x - 1 = 3

Step 4: Add 1 to each side

2x - 1 + 1 = 3 + 1

2x = 4

Step 5: Divide both sides by 2

2x/2 = 4/2

x = 2

Step 6: Plug this x value back into one of the original equations to find the y coordinate

y = x - 1

y = 2 - 1

y = 1

Therefore your answer to part a is (2,1)


I've graphed the solution and attached it. It shouldn't be too hard to replicate - just draw both lines and they should intersect at (2,1)


Hope that helps! If you need clarification or anything please feel free to ask :)

4 0
2 years ago
X/-2 - 4 &lt; 2 <br> what is x?
Jet001 [13]

Answer:

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x/-2<2+4

x/-2<6

x<6(-2)

x<-12

x>-12

5 0
2 years ago
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