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miss Akunina [59]
3 years ago
11

What are the first 20 positive integers?

Mathematics
2 answers:
ankoles [38]3 years ago
8 0

Answer:0-20

Step-by-step explanation:0 can't be negative

boyakko [2]3 years ago
7 0

Answer:

20*(20+1)/2 = 210

Step-by-step explanation:

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A brick layer is able to set 2.5 breaks in one minute how many bricks can you set an eight hours
frozen [14]

Answer:

<h2> In 8 hours he will set 1200 bricks</h2>

Step-by-step explanation:

In this problem, we are expected to estimate the number of bricks he can set in 8 hours.

let us convert hours to minutes we have

60 min make 1 hour

x min make 8 hours

cross multiply

x= 60*8

x= 480 min

We are assuming the same rate with which he sets 2.5 brick is the same as the rate with which he will set bricks for the 8 hours windows

so if the bricklayer sets

2.5 bricks in 1min

y bricks in 480 min

Cross multiply we have

y=2.5*480

y= 1200  bricks

hence in 8 hours, he will set 1200 bricks

5 0
3 years ago
Which of the following represents the factorization of the binomial below ? x^2 - 144
Dima020 [189]

It factors to (x+12)(x-12)

This is the same as (x-12)(x+12) as we can multiply two expressions in any order we want. This is like saying 7*5 is the same as 5*7

I used the difference of squares rule to factor x^2 - 144. It might help to write x^2 - 144 as x^2 - 12^2, then compare it to a^2 - b^2 = (a-b)(a+b)

6 0
3 years ago
What is 12.5% of 24?
nadezda [96]

Answer:

3

Step-by-step explanation:

12.5% = 0.125

24 x 0.125 = 3

5 0
2 years ago
Read 2 more answers
If a and b are odd integers,then a-b is an even integer identify the conclusion
garri49 [273]
Any two odd integers will always add up to an even number. Examples include 1+1=2, 15+19=34, etc. 
6 0
3 years ago
If f(x) = 3x + 3, g(x) = 3x + 3, and h(x) = x + 3, what is [g o f o h](–5)?
emmasim [6.3K]
The answer would be -6.
Start by substituting -5 into the 'h' function.
h(-5) = -5 + 3 = -2
Now substitute this answer into the 'f' function.
f(-2) = 3(-2) + 3 = -3
now substitute this answer into the 'g' function
g(-3) = 3(-3) + 3 = -6
D is your answer
8 0
3 years ago
Read 2 more answers
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