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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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105-30-45-3028+10000000000000038492=?
Volgvan

Answer:

105-30-45-3028+10000000000000038492= 1.000000000000003e19

Step-by-step explanation:

I did the math

have a good day!!

8 0
3 years ago
The base of a triangle is nine centimeters longer than the perpendicular height. If the area of the triangle is 180 square centi
Rom4ik [11]

Answer:

<em>The base is 24 cm long.</em>

Step-by-step explanation:

<u>Equations</u>

Let's call

b= base of the triangle

h=height of the triangle

The base is 9 cm longer than the height, thus:

b = h + 9

The area of the triangle is:

\displaystyle A=\frac{bh}{2}

\displaystyle A=\frac{(h+9)h}{2}

And its value is 180:

\displaystyle \frac{(h+9)h}{2}=180

Multiplying by 2:

(h+9)h=360

Operating:

h^2+9h-360=0

Factoring:

(h-15)(h+24)=0

The only valid positive solution is:

h = 15 cm

And b = h + 9 = 24

b = 24 cm

The base is 24 cm long.

7 0
3 years ago
Edward has a box of following Skittles: 5 red, 4 green, 6 orange, 3 purple, and 7 yellow. He wants to know what the probability
balu736 [363]

Answer:

Let's add the total skittles to get our outcome:

25 in total.

5(red skittles)/25(total skittles in all)

7(yellow skittles)/24(total skittles in all NOW since you took a red skittle)

So therefore your expression is:

5/25 x 7/24

4 0
2 years ago
10. What is the solution to 5x2 - 7x + 3 = 0?
masya89 [10]

Answer:

Bodmas rules first -7 multiplay by 3 and get -21 the 5 multiply by 2 and get 10 ..then +10 minus 21 and get -11

3 0
3 years ago
When purchased, a plastic beach ball is deflated and packaged flat. The package states that when inflated to its maximum capacit
Zigmanuir [339]
So  the formula for a volume of a sphere is 4/3 times pi times the radius cubed.
step one: 4/3 times 3.14 = 4.18666666667
Step two: then you cube 8.5 and get 592.45
the final answer is 2,480.3906 

6 0
3 years ago
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