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Virty [35]
3 years ago
5

Help me please): I’m stuck

Mathematics
2 answers:
sineoko [7]3 years ago
6 0
Pi x 1squared = 3.14 cm
Scorpion4ik [409]3 years ago
5 0

Answer:

A=3.14 cm^2

Step-by-step explanation:

In order to calculate the area of the circle:

$A = \pi r^2  $

$A = \pi 1^2  $

$A = \pi  $

A=3.14 cm^2

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Select all the comparisons that are correct.
mafiozo [28]

Answer:

a b e i think  

Step-by-step explanation:

7 0
2 years ago
The ____states that in a right triangle the sum of the squares of the lengths of the legs is equal to the square of the length o
jek_recluse [69]

Answer:

pythagorean theorem

Step-by-step explanation:

5 0
3 years ago
How many nickels equal $18.45? (show your work)
Anarel [89]

Answer:

369

Step-by-step explanation:

One nickel = 0.05

0.05x=18.45

x=369

8 0
3 years ago
4x+7y=-<br> 20<br> 2x-5 y=-10
Diano4ka-milaya [45]

Answer:

x = -5 , y = 0

Step-by-step explanation:

Solve the following system:

{4 x + 7 y = -20 | (equation 1)

2 x - 5 y = -10 | (equation 2)

Subtract 1/2 × (equation 1) from equation 2:

{4 x + 7 y = -20 | (equation 1)

0 x - (17 y)/2 = 0 | (equation 2)

Multiply equation 2 by 2/17:

{4 x + 7 y = -20 | (equation 1)

0 x - y = 0 | (equation 2)

Multiply equation 2 by -1:

{4 x + 7 y = -20 | (equation 1)

0 x+y = 0 | (equation 2)

Subtract 7 × (equation 2) from equation 1:

{4 x+0 y = -20 | (equation 1)

0 x+y = 0 | (equation 2)

Divide equation 1 by 4:

{x+0 y = -5 | (equation 1)

0 x+y = 0 | (equation 2)

Collect results:

Answer: {x = -5 , y = 0

5 0
3 years ago
The world's largest aloha shirt measures 4.26 meters around the chest. Round 4.26 to the nearest ones place and to the nearest t
loris [4]

To Round to Ones Place, We need to specifically look to the Tenths Place. Is the Tenths place larger than 4? If it is not, The Ones place will stay the same, meaning if you rounded it to the Ones place, your answer will be 4 meters.


To round to the tenths, we need to look at the hundredths place. Is the Hundredths place larger than 4?  If it is, you will boost the tenths up by one, meaning your answer will be: 4.3 meters.

5 0
3 years ago
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