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satela [25.4K]
3 years ago
10

Determine the value of x for which r ∥ s if

Mathematics
1 answer:
Lady_Fox [76]3 years ago
8 0

Answer:

2.5

Step-by-step explanation:

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A recent survey was conducted to compare the cost of solar energy to the cost of gas or electric energy. Results of the survey r
Mariana [72]

Answer:

c) at most 11.1%

Step-by-step explanation:

We have the data that is 97 ± 12, with 97 being the mean and 12 the standard deviation.

Now, the percentage of people who reached them for less than 73 dollars, if it were a normal distribution:

z = (73 - 97) / 12 = - 2

so it would be, a probability of 0.0228 or 0.228%.

But we don't know what distribution it has, but we can get an idea.

A and D discarded, as they are very high values, and 73 is well below the average.

B) is still a very high value.

Therefore the answer is C, at most 11.1%

4 0
4 years ago
The slant height is used to find the volume of a square pyramid. true or false
alexandr1967 [171]
The answer is false.

For a square pyramid, the volume is calculated by 1/3*B*h. The height should touch the tip and lie perpendicular to the base. Slant height is used for surface area, not volume.
5 0
3 years ago
How do you do elimination in systems of equations?
VMariaS [17]
Well, for solving system of equations, we can use either substitution where we plug one equation into the other, or elimination where we combine the equations.


- Using elimination, you would to eliminate one variable from both equations, so you automatically would get one equation with one variable!



4 0
3 years ago
Which weighs more: a watermelon that weighs 19.5 kilograms or a toddler that weighs 40 pounds?
AlladinOne [14]

Answer: watermelon

1 kg = 2.205 lb

(19.5)(2.205)=42.99 lb


7 0
3 years ago
Read 2 more answers
Plz solve plz plz 20 points
shtirl [24]

Messed up commented right answers

Hope this helps

5 0
3 years ago
Read 2 more answers
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