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quester [9]
3 years ago
11

Can someone help me please? I don't understand this at all

Mathematics
1 answer:
Margarita [4]3 years ago
6 0
X Is a number so ( x +12) a
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If the perimeter of vectangle wall is 360 cm and its breath is 60cm. Find its length and also find the totalt cost of painting t
alexdok [17]

Answer:

<u>Rs. 72</u>

Step-by-step explanation:

We have 2 values here,

  • Perimeter of the rectangle = 360 cm
  • Breadth of the rectangle (b) = 60 cm.

Firstly, we must find the length of the rectangle (l).

So, according to the formula,

Perimeter = 2 (b + l)

360 = 2 (60 + l)

360 = 120 + 2l

360 - 120 = 2l

240 = 2l

120 cm = l

Now, we need to find the area of the rectangular wall & then convert it from cm² to m² as the cost of painting is given in m².

So,

Area = lb

Area = 120 × 60

Area = 7,200 cm²

Let's convert it to m² now,

7200/1000

= 7.2 m²

Given, cost of painting per m² = Rs. 10

So, the cost of painting the wall is,

10 × 7.2

= <u>Rs. 72</u>

<u>________________________________</u>

Hope it helps!

\mathfrak{Lucazz}

3 0
3 years ago
Joe wants to purchase an electric keyboard. The price of the keyboard at Macelli’s, with tax, is $2,344. He can save $150 per mo
Juli2301 [7.4K]

Answer:

Step-by-step explanation:

abought 16 months to buy it  and he will have

56 extra cash hope ihelped :3

7 0
4 years ago
Read 2 more answers
The dollar value v (t) of a certain car model that is t years old is given by the following exponential
castortr0y [4]

Answer:

30000 valie after 11 years initial value

5 0
3 years ago
Please help 14 points ASAP
grigory [225]

The desired measures for the data-set is given by:

  • Minimum: 48
  • Lower quartile: 54.
  • Median: 63.5.
  • Upper quartile: 74.
  • Maximum: 80.
  • IQR: 20

<h3>How to find the five number summary and interquartile range of the data-set?</h3>

The five number summary is composed by the measures explained below, except the IQR.

  • The minimum value is the smallest value from the data-set, as the maximum value is the greatest value of the data-set.
  • The median of the data-set separates the bottom half from the upper half, that is, it is the 50th percentile.
  • The first quartile is the median of the first half of the data-set.
  • The third quartile is the median of the second half of the data-set.
  • The interquartile range is the difference of the third quartile and the first quartile.

In this problem, we have that:

  • The minimum value is the smallest value, of 48.
  • The maximum value is the smallest value, of 80.
  • The data-set has even cardinality, hence the median is the mean of the middle elements, which are 63 and 64, hence the median is of 63.5.
  • The first quartile is the median of the five elements of the first half, hence it is of 54.
  • The third quartile is the median of the five elements of the second half, hence it is of 74.
  • The IQR is the difference between the quartiles, hence 74 - 54 = 20.

More can be learned about five number summaries at brainly.com/question/17110151

#SPJ1

8 0
2 years ago
Alyssa had 45$ to spend on 6 snacks.after buying them she had 12$ left how much did each snack cost?
Radda [10]

Each snack cost $5.50

You start with $45, and afterwards end up with $12, so subtract 12 from 45 and you end up with 33. Then divide 33 by 6, since she bought 6 snacks, and you get $5.50.

3 0
3 years ago
Read 2 more answers
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