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Fantom [35]
3 years ago
15

Estimate the answer to 65.78 + 13.43 by first rounding each number to the nearest tenth.

Mathematics
1 answer:
gizmo_the_mogwai [7]3 years ago
6 0
65.8 + 13.4 =  79 .2. So the answer is c 
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PLS HELP ME ILL GIVE YOU BRAINIEST!!!
kenny6666 [7]

The <em>total surface</em> area of the three figures are 702 square feet.

<h3>How to estimate the amount of metal needed to produce a given amount of figures</h3>

According to this problem, we are required to determine the amount of metal needed to build three pieces with the dimensions presented in the figure.

In this case, we need to estimate the <em>total</em> surface area (A_{T}), in square feet, required for the production of the three pieces, that is, the product of the number of pieces (<em>n</em>), no unit, and the surface area of each piece (<em>A</em>).

Now we proceed to calculate the total surface area:

A_{T} = n\cdot A

A_{T} = 3\cdot \left[(5\,ft)\cdot (8\,ft) + (2\,ft)\cdot (8\,ft)+(8\,ft)\cdot (7\,ft)+(3\,ft)\cdot (8\,ft) \\

+(5\,ft)\cdot (8\,ft)+2\cdot (3\,ft)\cdot (5\,ft) + 2\cdot (4\,ft)\cdot (2\,ft) + (3\,ft)\cdot (4\,ft) ]

A_{T} = 702\,ft^{2}

The <em>total surface</em> area of the three figures are 702 square feet. \blacksquare

To learn more on surface areas, we kindly invite to check this verified question: brainly.com/question/2835293

7 0
2 years ago
Read 2 more answers
"When I started here, there were 500 employees. Since then, we have
Len [333]

Answer:

Assuming that the question is asking how many employees there are, your answer would be 675.

Step-by-step explanation:

  1. First, to find 35% of 500, you can use this equation (35 x 500) / 100
  2. Second, solve the equation (The answer is 175)
  3. Third, you add 500 + 175 to get 675
4 0
2 years ago
5 over 2 × z - 8 =-3​
Olenka [21]

Answer:

Step-by-step explanation:

3 0
3 years ago
Given the function f(x)=x^2 and I= -3, which of the following represents a vertical shift
Anika [276]

Answer:

See below.

Step-by-step explanation:

You haven't supplied a list but one option could be  f(x) - l   or x^2 - l.

This represents a vertical shift of 3 units downwards.

3 0
3 years ago
Please help! image is below
alexdok [17]

Answer:

b = 18 units

Step-by-step explanation:

3 0
3 years ago
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