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Brilliant_brown [7]
3 years ago
8

Please helppp Probability Maths

Mathematics
1 answer:
Ber [7]3 years ago
3 0

Answer:

16/40 = 0.4

Step-by-step explanation:

Find total marbles then divide the number of green by total.

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Idk how to do this equation
AveGali [126]
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7 0
3 years ago
(2 x 106) x (0.00009) = ?
RSB [31]

I think you meant to write

(2 × 10⁶) × 0.00009

First, convert 0.00009 to scientific notation:

0.00009 = 9 × 10 ⁻⁵

Then

(2 × 10⁶) × 0.00009 = (2 × 10⁶) × (9 × 10 ⁻⁵)

… = (2 × 9) × (10⁶ × 10 ⁻⁵)

… = 18 × 10¹

… = 1.8 × 10²

4 0
2 years ago
When 3+4i2+i is expressed in the form a+bi, what is the value of a?
mart [117]
Multiplying and dividing with conjugate of 2+i in the given expression, we get(3+ 4i)(2-i)/(2+i)(2-i)=(6-3i+8i-4i^2)/(4-i^2)=(10+5i)/(4+1)=(10+5i)/5=2+i=a+bi<span>Thus a=2</span>
7 0
3 years ago
Asap solve problem please. Will give BRAINLIEST.​
Vera_Pavlovna [14]

Answer:

5 ft, 6.5 ft, 7 ft

Step-by-step explanation:

area of trapezoid = (base1 + base2)h/2

Let the unknown base = x

area of trapezoid = (8.5 + x)(6)/2

area = 3x + 25.5

We want the area to be between 40 ft^2 and 48 ft^2.

40 < 3x + 25.5 < 48

14.5 < 3x < 22.5

4.8333 < x < 7.5

Answer: 5 ft, 6.5 ft, 7 ft

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School nurse can give 25 I test two hours. How long will it take for the nurse to give a test to all 600 students in the school
rjkz [21]
It will take 12 hours
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3 years ago
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