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3 years ago

The size of airmail packages is it continuous or discrete?

Mathematics

2 answers:

valina [46]3 years ago

6 0

The answer is d<span>iscrete.</span>

olga nikolaevna [1]3 years ago

4 0

Answer:

Step-by-step explanation:

Both sets of data are discrete.

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Work out the area of a rectangle with base, b=28mm and perimeter, P=74mm.

zhannawk [14.2K]

Answer:

$28 \times 2 =5 6 \\ 74 - 56 = 18 \\ 18 \div 2 = 9 \\ width = 9 \\ area = 9 \times 28 \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: = 252mm ^{2}$

3 0

3 years ago

Read 2 more answers

8+3(5-1) =20 I am very confused on how this equals 20, someone please explain. thanks

soldier1979 [14.2K]

Step-by-step explanation:

first you have to do the subtraction in the parentheses so it's 8+3(4) and then you multiply the 3 by 4 (only the 3 because the 8 isn't next to the multiply) and then you have 12, add 8 and it's 20

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3 years ago

Susie bought 14 dolls this week. Last week she had 28 dolls. Which of the

tankabanditka [31]

Answer:

B. 28 + 14 = x

Step-by-step explanation:

Susie bought 14 dolls this week. Last week she had 28 dolls. determine how many dolls Susie has now.

using this info we know that we must find the sum of both numbers.

Hence, Answer B has the correct equation

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2 years ago

Which arrangement for these numbers is from least to greatest?

laiz [17]

Answer: D) -5/6 < -3/5 < -4/7 < -4/9

Step-by-step explanation:

Since putting fractions from least to greatest by using negatives the number or fraction has to be closed to 0. -5/6 is the farthest from 0 so it'll be the least -4/9 is closes to 0 so -4/9 is the most.

8 0

3 years ago

Juan tiene cubos azules de 55 mm de arista y cubos rojos de 45 mm de arista. Los apila en dos columnas, una de cada color ; quie

balu736 [363]

the question in English

Juan has blue cubes with a 55 mm edge and red cubes with a 45 mm edge. He stacks them in two columns, one of each color; he wants the two columns to be the same height. How many cubes does he need, as a minimum, of each color?

Let

x---------> the number of blue cubes

y--------> the number of red cubes

we know that

Juan wants that the two columns to be the same height

$55x=45y$

solve for y

$y=\frac{55}{45}x$

I proceed to calculate a table, assuming values of x to calculate the value of y. When the values of x and y are whole numbers, I will have found the solution.

the table in the attached figure

therefore

<u>the answer is</u>

9 blue cubes

11 red cubes

7 0

3 years ago