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Alexus [3.1K]
3 years ago
10

calculate number of boxes that can fit on tha floor of the trailer using opton B. The dimension of trailer ate length =3m and br

eadnth =1.8m​
Mathematics
1 answer:
bearhunter [10]3 years ago
6 0

The area of a shape is the amount of space the shape covers.

<em>Using the assumed dimension of 1 box; 540 boxes will fit the floor of the trailer</em>

First, calculate the area of the floor of the trailer

Area = Length \times Breadth

Area = 3m \times 1.8m

Area = 5.4m^2

Next, calculate the area of 1 box in option B

Area = Length \times Breadth

<em>The dimensions are not given; so, I will use an assumed value</em>

<em>Assume that each box is 0.1m by 0.1m</em>

<em />

So, the area is

Area = 0.1m \times 0.1m

Area = 0.01m^2

The number of box (n) is then calculated as follows:

n = \frac{5.4m^2}{0.01m^2}

n = 540

<em>Hence, 540 boxes will fit the floor of the trailer using the assumed values.</em>

Read more about areas at:

brainly.com/question/16418397

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Evaluate the expression: (–2)2 + (–42) + (18 – 23).
marta [7]

Answer:

-51 (no options are matching)

Step-by-step explanation:

Given: (–2)2 + (–42) + (18 – 23).

we know, 2*2 = 4, and in integer multiplication if any negative integer is multiplied with positive integer, then the result will have a negative sign.

= -4 + (-42) + (18 – 23)

Here, we have open the brackets, and written the respective signs with the integers,

= - 4 - 42 - 5

now, we will perform the integer addition. Adding all the positives together & he negative numbers together

= -51

PS: It happens to be that none of the given options match with the correct answer. But, i have solved taking the expression, i hope it helps

6 0
3 years ago
Read 2 more answers
(a): How many miles does the train travel per gallon?<br> (b):What is the slope of the graph?
drek231 [11]

since the graph has direct variation as data in x axis increases y also increases.

so we need to find how many miles travelled per galloon .

we distance travelled per gallon =total distance travelled/galoons of fuel used.

Distance travelled per gallon=200 miles/400 gallons=0.5 litres travelled per gallon

for part b) slope=rise/run

m=(y2-y1)/(x2-x1)

y2=400  y1=0 x1=0 x2=200

m=(400-0)/(200-0)=2

slope of the graph is 2

5 0
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Which expressions are equivalent to (2^2-9) (x + 3)?
mestny [16]

Answer:

(x^2-3^2)(x+3)

(x-3)(x+3)(x+3)

(x-3)(x+3)^2

Step-by-step explanation:

Given

(x^2-9)(x+3)

Required

Select 3 equivalent expressions

(x^2-9)(x+3)

Express 9 as 3^2

(x^2-3^2)(x+3) --- This is one equivalent expression

Take x^2 - 3^2 as difference of two squares

(x-3)(x+3)(x+3) -- This is another equivalent expression:

Solving further:

(x-3)(x+3)(x+3) becomes

(x-3)(x+3)^2   -- This is another equivalent expression:

Hence, the equivalent expressions are:

(x^2-3^2)(x+3)

(x-3)(x+3)(x+3)

(x-3)(x+3)^2

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