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Stels [109]
3 years ago
12

Create an expression whose value will be 21 when x = -6

Mathematics
1 answer:
Svetach [21]3 years ago
3 0
21=27+x 

If you replace x with -6 then your answer will be 21!! 
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State a true conclusion.
xxTIMURxx [149]

Answer:

The conclusion is "Plane R and Plane S form a line if they intersect."

Step-by-step explanation:

Consider the provided statements.

1) If two planes intersect, their intersection is a line.

2) Plane Rand plane S intersect.

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For better understanding refer the figure:

There are two planes R and S, which intersect at the line l.

Since the given two planes intersect, the using the above fact we can say that their intersection is a line.

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2 years ago
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solong [7]

A suitable probability calculator can tell you the probability is about 6.7%.


_____

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4 0
3 years ago
A triangle has perimeter 59 cm. The lengths of the sides are 2x – 5 cm, 3x + 2 cm and 2x – 1 cm.
Dennis_Churaev [7]

Answer:2x - 5cm + 3x +2cm + 2x - 1cm=59cm

2x + 3x + 2x + 2cm + 1cm - 5cm=59cm

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Step-by-step explanation:

4 0
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Find the probability of at least 2 girls in births. Assume that male and female births are equally likely and that the births ar
tiny-mole [99]
We assume that male and female births are equally likely, it means that the probability of birth of male= probability of birth of female = 100%/2=50% or 0.5We have 2 independent events. So what will be the variants:
Male and FemaleMale  and Male Female and Male Female and Female 
All four variants are equally likely.Probability of each one is 1/4 = 0.25.So, Result "Female and Female"
 are probability = 0.250 --- if round to three decimal places.
6 0
3 years ago
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