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4 years ago

Write a rule or formula for finding the total number of chocolates in a 3-by-n box.

Mathematics

1 answer:

zzz [600]4 years ago

3 0

Answer:

18+10=28

Step-by-step explanation:

(3x2)+(1x3)=3x3; it means 6+3=9 and 2+2=4

(3x3)+(1x3)=3x4; it means 9+3=12 and 4+2=6

(3x4)+(1x3)=3x5; it means 12+3=15 and 6+2=8

(3x5)+(1x3)=3x6; it means 15+3=18 and 8+2=10 (total number is 28).

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levacccp [35]

Answer:

As I analysed it for me yes it is

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3 years ago

A University has 30,600 students think school counselor estimates that 2% of the students break three on my languages in a rando

xxTIMURxx [149]

Answer:

Counselor's estimate isn't correct.

Step-by-step explanation:

Total number of students in university = 30,600

2% break 3 of the languages

Therefore, 2/100 × 30600 = 612 students break 3 of the languages in the University according to the counselor.

In a random sample of 240 students, 20 break 3 of the languages.

% = 20/240 × 100 = 8.33%

SinceTotal number of students = 30,600

Therefore, 30,600/240 = 127.5

Which means 127.5 × 20 = 2550.

Which means 2550 students break 3 of the languages as against the 612 students stated by the counselor.

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3 years ago

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Answer:

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3 years ago

What is the value of (−23) –[(−25) – {(−17) –(−19)}

o-na [289]

The answer is four.

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3 years ago

A 3,000 piece of direct mailing cost 1,435. Printing cost is $550, about 31/2 times the cost of typesetting. How much did the ty

yanalaym [24]

Answer:

The typesseting cost $ 35.48.

Step-by-step explanation:

Given that a 3,000 piece of direct mailing cost $ 1,435, and printing cost is $ 550, about 31/2 times the cost of typesetting, to determine how much did the typesetting cost the following calculation must be performed:

31/2 = 15.5

550 / 15.5 = X

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35.48 x 15.5 = 550

Thus, the typesseting cost $ 35.48.

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3 years ago