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Basile [38]
3 years ago
13

A certain insecticide kills 70% of all insects in laboratory experiments. A sample of 10 insects is exposed to the insecticide i

n a particular experiment. What is the probability that less than 9 insects will die? Round your answer to four decimal places.
Mathematics
1 answer:
NeX [460]3 years ago
8 0

Answer:

4/5

Step-by-step explanation:

the number of possible outcomes ÷ the number of total outcomes=8/10=4/5

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Evaluate using order of operations.<br> 9(8 – 11) – 3(-5)
yulyashka [42]

Answer:

-12

Step-by-step explanation:

9(8-11)-3(-5)

First do multiplication.

72-99+15

And then, do the rest of the equation from left to right.

-27+15

Answer that question to get:

-12

Hope this helped! :)

8 0
2 years ago
The system of equations is graphed on the coordinate plane.
ehidna [41]

Answer: The solution is (3, -2)

This means that x = 3 and y = -2 pair up together.

=====================================================

Explanation:

The solution is where the two lines cross. Note if we started at the origin (0,0) and moved to the right 3 units, and then down 2 units, we would arrive at the location (3, -2).

-----------------

As a way to check, we can plug x = 3 into each equation. We should get y = -2 as a result for each equation

y = (-5/3)x + 3

y = (-5/3)*3 + 3

y = -5+3

y = -2

The first equation is confirmed. Let's check the second equation

y = (1/3)x - 3

y = (1/3)*3 - 3

y = 1 - 3

y = -2

Both equations have the y value equal -2 when x = 3. Therefore, the overall solution is confirmed.

3 0
2 years ago
Answer nowwwwwwwwwwwwwwwwwwwwwwwwwwww
krok68 [10]

Answer:

7/6

Step-by-step explanation:

(7x/12)/(x/2)

=7/6

8 0
2 years ago
Read 2 more answers
(−2)⋅(8)−(4)⋅(−3)<br> A. -17<br> B. -3<br> C. -4
Gwar [14]
The Answer To This Problem is: C.-4
8 0
3 years ago
Rick has $20.00. He bought a movie ticket for $5.50, a large popcorn for $3.75, a large soda for $2.75. How much money does he h
Juli2301 [7.4K]

Answer:

$8

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
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