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3 years ago

I give brainlist

Mathematics

2 answers:

stepladder [879]3 years ago

5 0

True because it had a strict pattern and measurable proportions. <span />

liraira [26]3 years ago

5 0

True is the correct answer

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What is formed when two complementary angles share one ray?

aleksklad [387]

Answer:

the complementary angles form a right angle with the shared ray

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3 years ago

Kate sold a sailboat at a loss of 20%. If the selling price was $64, what was the original cost?

lapo4ka [179]

So she lost 20% of the original selling price.

$64 is 80% of the original price.

64/80=0.8

0.8·100=80 dollars. HOPE THIS HELPS!!!

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3 years ago

Read 2 more answers

Best estimate for 61/7

Ne4ueva [31]

I would say the best estimate would be 9 because the real answer is 8.71 and if you round that to the 1 place the answer would be 9.

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3 years ago

Please math , help

Furkat [3]

Answer:

As both the mean and standard deviation are in the desired ranges, the tool passes the technical control.

Step-by-step explanation:

Mean of the batch:

The mean of the batch is the sum of all values divided by the number of items. So

$M = \frac{199+204+201+197+195+204+200}{7} = 200$

Mean in the desired interval.

Standard deviation:

Square root of the sum of the difference squared between each term and the mean, divided by the number of items. So

$S = \sqrt{\frac{(199-200)^2+(204-200)^2+(201-200)^2+(197-200)^2+(195-200)^2+(204-200)^2+(200-200)^2}{7}} = 1.18$

As both the mean and standard deviation are in the desired ranges, the tool passes the technical control.

7 0

3 years ago

Richard wants to find out his current grade in math dass after taking five quizzes. Which measure of center

Salsk061 [2.6K]

Answer:

question does not seem complete, from what i know it sounds like he should add up the test scores and divide it by five, that will give him his average which should be his grade, please update question if possible

i hope this helped ;)

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3 years ago