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Bess [88]
3 years ago
11

An experiment is carried out 400 times.

Mathematics
1 answer:
MissTica3 years ago
6 0

Answer:

You would expect the outcome to be void 240 times

Step-by-step explanation:

1000 x 0.24

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School is Cool. The ORH ASB wants to determine if their efforts at increasing school spirit have been
Dennis_Churaev [7]

Answer:Yes I believe it does use strong evidence. Hope this helps

Step-by-step explanation:

6 0
3 years ago
Expand the following.<br> (3x + 2)2<br> A.9x2+6x+4<br> B.9x2+4<br> C.3x2+4<br> E.9x2+12x+4
PolarNik [594]

Step-by-step explanation:

E

working ;

(3x+2)^2

*Apply Perfect Square Formula : (a+b) =a^2+2ab+b^2

a = 3x,b = 2

(3x)^2 + 3x.2+2^2

finally Answer is:

= 9x^2 + 12x +4

5 0
2 years ago
Convert 13000 milligrams into pounds. Round your answer to the nearest<br> hundredth.
WINSTONCH [101]

Answer: 0.03

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
(6-x3)5=45 Please help
svetlana [45]
The answer is x equals -1
4 0
3 years ago
Question 14
Reil [10]

Answer:

The system of equations has a one unique solution

Step-by-step explanation:

To quickly determine the number of solutions of a linear system of equations, we need to express each of the equations in slope-intercept form, so we can compare their slopes, and decide:

1) if they intersect at a unique point (when the slopes are different) thus giving a one solution, or

2) if the slopes have the exact  same value giving parallel lines (with no intersections, and the y-intercept is different so there is no solution), or

3) if there is an infinite number of solutions (both lines are exactly the same, that is same slope and same y-intercept)

So we write them in slope -intercept form:

First equation:

6x+y=-1\\y=-6x-1

second equation:

-6x-4y=4\\-6x=4y+4\\-6x-4=4y\\y=-\frac{3}{2} x-1

So we see that their slopes are different (for the first one slope = -6, and for the second one slope= -3/2) and then the lines must intercept in a one unique point. Therefore the system of equations has a one unique solution.

6 0
3 years ago
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