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VMariaS [17]
3 years ago
5

Can someone help asssppp

Mathematics
2 answers:
icang [17]3 years ago
8 0

Answer:

the third one

Step-by-step explanation:

Komok [63]3 years ago
8 0
<h2>●=> <u>Correct option</u> :</h2>

\color{plum}\tt\bold{ A = 1.69 \pi \: mm²}

<h3>●=> <u>Steps to derive correct answer</u> :</h3>

Given :

Circumference of a circle = 2.6π mm

We know that :

\color{hotpink}\tt \: circumference \: of \: a \: circle\color{plum} = 2\pi r

Which means :

=\tt 2 \times r \times \pi = 2.6\pi

=\tt r\pi =  \frac{2.6}{2}

=\tt r \pi = 1.3 \: mm

Thus, the radius of this circle = 1.3 mm

The area of this circle :

=\tt \pi  {r}^{2}

=\tt 1.3 \times 1.3 \times \pi

\color{plum} = \tt1.69\pi

Thus, the area of this circle = 1.69π

▪︎Therefore, the correct option is ○ A = 1.69π mm²

<h2 />
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Step-by-step explanation:

We know that,

1 m = 100 cm

the conversion from m² to cm² is as follows :

(1 m)² = (100 cm)² = 10000 cm²

A conversion factor between cubic meters and cubic  centimeters is as follows :

(1 cm)³ = (100 cm)³

= 1000000 cm³

To convert m³ to cm³, multiply by 1000000.

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3 0
3 years ago
The ratio of blue jays to Robin's was 6 to 7. If there were 84 Robins, how many blue jays were there?​
Paul [167]

Answer:

72

Step-by-step explanation:

<em>Since the ratio of blue jays to robin's was 6 to 7 then if there were 84 robins how many blue jays were there.</em>

<em>6 to 7 can also be express as 6/7</em>

<em>Thus, we can set up a proportion</em>

<em>6/7 = x/84</em>

<em>Now, we have to solve for x</em>

<em>x = 72</em>

<em>Hence, if there were 84 robin there would be 72 blue jays.</em>

<em />

<u><em>~lenvy~</em></u>

3 0
2 years ago
10g - 4 (g - 2) + 11 = 1
sergij07 [2.7K]

Answer:

g = -3

Step-by-step explanation:

10g-4(g-2)+11=1

1) 10g-4g+8+11=1  Combine like terms

2) 6g+8+11=1

3) 6g+19=1

4) 6g=-18   To continue the process of getting the variable by itself, we have to get rid of 19. So we are going to subtract 19 from 19 to get 0, and whatever we do to the other side, so we subtract 19 from 1 to get -18.

5)6g=-18    To get the variable by itself, instead of mutiplying, we will divide by 6 on both sides to get... g=-3! Hope this helps!

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Answer:

A. $2.84

Step-by-step explanation:

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