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zalisa [80]
3 years ago
8

Estimate the answer to 832.21 + 23.81 by first rounding each number to the nearest tenth.

Mathematics
2 answers:
ycow [4]3 years ago
4 0
852.21+23.81=856.02 
so the answer is C) 856
Lelechka [254]3 years ago
3 0
I think the answer is  c).because when we add these two numbers we get 856.2
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How would you find the area or perimeter of this shape?
Fittoniya [83]

The perimeter of a given shape implies the <u>sum</u> of all its <u>sides</u>. While the area of a given shape is the <em>total value</em> of <u>space</u> it would <u>cover</u> on a 2-dimensional <em>plane</em>.

The perimeter of the shape is 104 cm.

The area of the shape is 640 cm^{2}.

The <u>perimeter</u> of a given shape implies the <u>sum</u> of all its length of <em>sides</em>., such that the<u> value</u> of each <em>individual side</em> is summed to a <em>total value</em>.

The area of a given shape is the <em>total value</em> of space it would <u>cover</u> on a 2-dimensional <u>plane</u>. The area of <u>shapes</u> depends on the <em>type</em> of <u>shape</u>.

In the given question, the given <u>shape</u> has 12 <em>sides</em>. Some of these <em>sides</em> can <u>sum</u> up to a given <u>length</u> as shown in the diagram.

So that;

perimeter = 2 + 32 + 10 + 10 + 2 + 32 + 8 + 8

                 = 104 cm

Thus, the <u>perimeter</u> of the shape is 104 cm

ii. The <em>area </em>of the shape = length x width

                                         = 32 x 20

                                         = 640 cm^{2}

Therefore, the area of the given shape is 640 cm^{2}.

for more clarifications on the perimeter and area of a plane shape, visit: brainly.com/question/22909518

#SPJ 1

4 0
2 years ago
Select two ratios that are equivalent to 27: 9.<br> Choose 2 answers:
schepotkina [342]

Answer:

1. 9:3

2. 3:1

Step-by-step explanation:

Hope it really helps you

5 0
3 years ago
Which value of r indicates a stronger​ correlation: r equals=0.828 or r equals= −0.879​? explain your reasoning?
vladimir1956 [14]
When comparing correlation, focus on the MAGNITUDE of r:

Compare |0.828| with |-0.879|.  Which magnitue is greater?  The r value with greater magnitude represents the stronger correlation.
3 0
3 years ago
13_,644=130,000
MrMuchimi

Answer:

The possible digits 0, 1, 2 , 3 or 4 .

Step-by-step explanation:

The possible digits that could go in the thousands place to make  13_,644 ≈ 130,000   this statement correct are: 0 1, 2,3 or 4.

<u>For example:</u>  132,644 may rounded off to 130,000

Round the number to the nearest thousand make the numbers whose last three digit through 644 into the next lower numbers that ends in 000.

Using number line for this possibility as shown in the below diagram:



7 0
3 years ago
An observer 12 m away from the foot of tree observes that the angle of elevation is 30° find the height of tree
lilavasa [31]

Answer:

in drawing

Step-by-step explanation:

8 0
3 years ago
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