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laiz [17]
3 years ago
13

PLEASE DO IT SOON ITS NOT TO HARD 25 POINTS Evaluate (1.4) to the power of 2

Mathematics
1 answer:
Ratling [72]3 years ago
8 0

Answer:

1.96

Step-by-step explanation:

Evaluation: Calculate 1.4 to the power of 2 and you get 1.96

Factoring: 7^2/5^2= 1 24/25= 1.96 (7 to the power of 2 divided by 5 to the power of 2, which equals 1 and 24 over 25, which can be converted to 1.96)

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The diagram shows a logo made from 3 circles. Each circle has a centre 0. daisy says exactly 1/3 of the circle is shaded. is dai
marusya05 [52]

Daisy is not correct. The shaded part is 3/50 that of the whole circle.

<h3>Is Daisy correct?</h3>

In order to determine if Daisy is correct, the area of the circle and the area of the shaded part has to be determined.

Area of the circle = = πr²

Where :

π = pi = 22/7

r = radius = 4 + 3 + 3 = 10

10²π = 100π

Area of the shaded part = 3²π = 9π

Ratio of the areas = 9π / 100π

To learn more about the area of a circle, please check: brainly.com/question/14351152

#SPJ1

3 0
2 years ago
The circumference of a circle is 7π m. What is the area of the circle? ​3. 5π​ m² ​12. 25π​ m² ​14π​ m² ​49π​ m².
Juliette [100K]

Area of the circle is the area covered by that circle. The area of the circle whose circumference is 7π m is 12.25π m².

<h3>What is the area of a circle?</h3>

The area of the circle is the area covered by that circle. It is given by the formula,

\text{Area of the circle}=\pi r^2

where r is the radius of the circle.

As it is given that the circumference of a circle is 7π m. Therefore, the radius of the circle can be written as,

\text{Circumference of the circle} = 2\pi r

7 \pi = 2 \pi r\\\\r = 3.5\rm\ m

Now, we know the formula of the area of a circle, therefore, the area of the circle can be written as,

\text{Area of the circle}=\pi r^2

                           = \pi \times (3.5)^2\\\\= 12.25\pi\rm \ m

Hence, the area of the circle whose circumference is 7π m is 12.25π m².

Learn more about Area of Circle:

brainly.com/question/1238286

5 0
3 years ago
At a balloon festival, 268 people
klasskru [66]
1,132 people came to watch the balloon festival.
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3 years ago
Pre-calculus Help Please! Express the complex number in trigonometric form.
lana66690 [7]
We have that

 3 = 3 + 0i -----------> rewrite as 3(1 + 0i) 

<span>So now what we have to do is figure out which of the above expressions has cos a = 1 and sin a = 0. </span>
<span>cos 0 = 1, and sin 0 = 0, so that's the answer that we want. 

</span><span>the answer is: </span>
3 = 3(cos 0 + i sin 0)
3 0
4 years ago
(−8p ^3 +9p ^2q −5pq ^2) + (8p ^3 − pq + 5q ^2)
wariber [46]

Answer:

9p^2q-5pq^2-pq+5q^2      

Step-by-step explanation:

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3 years ago
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