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rodikova [14]
2 years ago
6

3x+4=8y-3 5x+1=10y-4

Mathematics
1 answer:
dsp732 years ago
4 0

Answer:

x-3 and y=2

Step-by-step explanation:

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these are the means and standard deviations for samples of building heights in two different cities. city a city b mean: 120 ft
Kazeer [188]

The average building height and the standard deviation for two separate cities' samples are shown. The true statements are:

City A’s heights are more spread out than city B’s heights.

City A has a lower average height than city B.

<h3>What is average?</h3>

In daily life, an average is a number chosen to represent a group of numbers; it is often the sum of the numbers divided by the total number of numbers in the group (the arithmetic mean). The average of the integers 2, 3, 4, 7, and 9, for instance, is 5, which equals 25. An average could alternatively be another statistic like the median or mode, depending on the situation. The median is sometimes used in place of the mean since the mean would be unnaturally high if it included the personal incomes of a few billionaires. The median is the amount below which 50% of personal incomes fall and above which 50% of personal incomes rise.

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4 0
1 year ago
Find the volume and surface area of this triangular prism. 12 cm 13 cm 18 cm and 5 cm ​
Ipatiy [6.2K]
⇒ s = a+b+c2=5+12+132 a + b + c 2 = 5 + 12 + 13 2 = 15 cm.
Area of the base = √s(s−a)(s−b)(s−c)
= √15×10×3×2 15 × 10 × 3 × 2 cm2 = 30 cm2
3 0
2 years ago
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frez [133]

Answer: which problem is it ?

Step-by-step explanation:

4 0
3 years ago
a triangle has one angle that measures 32 degrees and one angle that measures 102degrees. the measure of the triangle's thrid an
shutvik [7]

46

Step-by-step explanation:

all angles must add to 180

32+102= 134

180-134= 46

correct me if im wrong:)

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sergey [27]

Answer: A 729

Step-by-step explanation:

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2 years ago
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