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Nina [5.8K]
3 years ago
10

Please help! Questions above(the options I choose are incorrect for sure)

Mathematics
2 answers:
lakkis [162]3 years ago
7 0
1.- In this problem we have to find the area of the circle. We know that the formula to find the area of a circle is:
A= πr<span>² 
</span>Meaning area of the circle= 3.14*radius<span>² 
Since the radius is equivalent to half the diameter, and we know the diameter is 40, the radius is 40/2 or 20ft
Which means the area of this circle is equal to
3.14*20</span><span>²
Which is equal to 1256

2.- Here we need to find the radius
And since the diameter of the tablecloth is equal to 42+8, to find it we just need to divide 50 by 2 which gives us 25
50/2= 25

3.- This question asks for the area to obtain it we use the formula:
</span>A= πr² 
So...
Area= 3.14*25² 
Which is equal to 1962.5


ANSWERS:
1.- 1256 in² (option 2)
2.- 25''  (option 3)
3.- 1962.5 in² (option 3)

iogann1982 [59]3 years ago
3 0
The first one will be option B which is 1256ft
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Frank stands 450 feet from the base of the Statue of Liberty. If the Statue of Liberty is 306 feet tall, what is the angle of de
Lelu [443]
<span>For the answer to the question above, We have a right angled triangle with an opposite of 300.5 ft. (306 - 5.5) and an adjacent of 400 ft. Recalling SOH CAH TOA, tanθ = O/A.
tan(θ) = 300.5/400.
θ = tan^-1(300.5/400).
So the answer is
θ = 36.9°.
I hope my answer helped you.</span>
6 0
3 years ago
Select each equation which is equivalent to 60% of 25.
krek1111 [17]

The equation which is equivalent to 60% of 25 are x • 1.6 = 25, 0.6 • 25 = x and x/25=60//100

Percentages can be expressed as decimals or fractions.

Given the expression 60% of 25, this can b expressed as:

  • 60% of 25 = x

where x is the result of the expression.

  • 60/100 * 25 = x

Expressing 60% as a decimal will give;

0.6 of 25  = x

0.6 * 25 = x

From the expression 60/100 * 25 = x, this can also be written as:

25 = 100/60 x

25 = 10/6 x

25 = 1.6x

Hence the equation which is equivalent to 60% of 25 are x • 1.6 = 25, 0.6 • 25 = x and x/25=60//100

Learn more on equation here: brainly.com/question/2972832

5 0
2 years ago
I need help can someone give me answers
marishachu [46]

Answer:

Step-by-step explanation:6 type

5/25=1/5=20%

1-1/5=4/5=80%

7 0
2 years ago
A treasure hunter discovered a buried treasure chest filled with a total of 656 gems. 44 of the gems were diamonds, and the rest
UNO [17]

Answer:612

Step-by-step explanation:  take 656 and subtract 44 diamonds to get the remaining rubies 656-44= 612

5 0
3 years ago
P=(2,3,5,7) Express it in description method and in rule method.​
Nikolay [14]

Answer:

prime number between 1 to7

6 0
2 years ago
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