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Radda [10]
3 years ago
5

I have a/some question(s) for yall,

Mathematics
1 answer:
s344n2d4d5 [400]3 years ago
4 0

Answer:

1. 30:100 = 30/100=3/10

2. 2:8, 3:12

3. 60:12 = 5:1 or 5/1

Step-by-step explanation:

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Jack is 4 times as old as lacy. 4 years ago the sum of their ages was 22. How old are they now
r-ruslan [8.4K]

4 x 22 =?

the question mark is how old they'll be.

3 0
4 years ago
X - 3/5 =10 give your answer as an improper fraction
elixir [45]

Answer:

53/5

Step-by-step explanation:

Multiply both sides by 5:      5x - 3 = 50

Add 3 to both sides:                   5x = 53

Divide both sides by 5:                x = 53/5

8 0
2 years ago
Read 2 more answers
The mean clotting time of blood is 7.45 seconds with a standard deviation of 3.6 seconds. what is the probability that an​ indiv
Usimov [2.4K]
Less than 3 is about 10.75% and greater than 13 is about 6.18%.

To find these percents, you need to find the z-score for each value. Then, use your table to find the correct percent. Be sure to find the side above 13 when you use your chart.

For less than 3:
(3 - 7.45) / 3.6 = -1.24 = The percent below this is 0.1075

For greater than 13:
(13 - 7.45) / 3.6 = 1.54 = The percent above this is 0.0618
7 0
3 years ago
Select the correct answer.
Nina [5.8K]

Answer:

D. x^2 + 3x - 88

Step-by-step explanation:

Area of rectangle = length (l) * width (w)

Length of rectangle = (x - 8)

Width = (x + 11)

Area of rectangle = (x - 8)(x + 11)

Expand the expression

x(x + 11) -8(x + 11) (distributive property of multiplication)

x^2 + 11x - 8x - 88

Combine like terms

x^2 + 3x - 88

Expression for the area of the rectangle = x^2 + 3x - 88

7 0
3 years ago
What is the area of a circle with a diameter of 25​
PtichkaEL [24]

Answer:

find using calculator:)

Step-by-step explanation:

pie X (25 divided by 2) X (25 divided by 2) = answer

4 0
3 years ago
Read 2 more answers
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