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goblinko [34]
2 years ago
7

Please I need hep, get free brainly :D

Mathematics
2 answers:
padilas [110]2 years ago
6 0

Step-by-step explanation:

<u>Formula:</u>

\boxed{a = 3.14(r)^{2} }

r represents the radius.

The radius is 1/2 of the diameter.

Since 1/2 of 16 is 8, 8 is our radius.

<u>Substitute:</u>

a = 3.14(8)^{2}

<u>Solve:</u>

a = 3.14(64)

a = 200.96in^{2}

NemiM [27]2 years ago
6 0
16:2 because that gives the radius
are of a circle= πr2
so you substitute in
r=8^2 =64
π=3.14
A=64x3.14
A=200.96
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From 82 books to 138 books<br><br> Find the percent increase. Round to the nearest percent.
FrozenT [24]

Answer:

68%

Step-by-step explanation:

Calculate percentage change

from V1 = 82 to V2 = 138

(V2−V1)|V1|×100

=(138−82)|82|×100

=5682×100

=0.682927×100

=68.2927%change

=68.2927%increase

=68%

3 0
3 years ago
×&gt;10 is a solution to which inequality a}×-7&gt;3 b}×-7&gt;3 c}x-7&lt;3 d}x-7&lt;3
NeX [460]
A) x - 7 > 3    |add 7 to both sides
     x > 10

b) x - 7 > 3    |add 7 to both sides
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7 0
3 years ago
Describe in detail how you would create a number line with the following points: 4, 1.25, the opposite of 3, and – (–2fraction o
MAVERICK [17]

Answer:

Look at the whole numbers and not the tenths hundreds and stuff. 1,2,3.25 and then fraction.

Step-by-step explanation:

6 0
3 years ago
Two kilos of taronges and three kilos of mandarins cost 11.50 euros. Three kilos of taronges and two of mandarins cost 11 euros.
Illusion [34]

Answer:

Hence the pricing for each product will be taronges with 2 euros and mandarins with 2.5 euros.

Step-by-step explanation:

Given:

2 kg of taronges and 3 kg mandarins cost 11.5 euros

3kg taronges and 2 kg mandarins cost 11 euros

To Find:

Price for each product

Solution:

<em>Consider </em>

<em>Taronges =x euros</em>

<em>Mandarins=y euros</em>

So by given condition,

2x+3y=11.5  ....................equation(1)

and 3x+2y=11 ..............equation (2)

So , using substitution method,

3x=11-2y

x=11-2y/3 .......equation (3)

Using above value in equation(1) we get ,

2(11-2y)/3+3y=11.5

y=(11.5*3-22)/5)

y=2.5 euros

Using above value in equation(3)  we get ,

x=(11-2y)/3

x=(11-2*2.5)/3

x=(11-5)/3

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5 0
4 years ago
PLS HELLPPPP with a good and simplified explanation<br><br> just 7th grade.
umka21 [38]

Answer:

1 / 10 (1 : 10) (10%)  - your teacher has probably given you some idea as to the formatting of how you should write probability [so 3 different ways are written here], but I suspect they expect you to write it as 1 / 10

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only 1 out of all of these 10 trials is a "success" (aka what we are looking for)

we know that 7 matches the criteria of all years seeing a groundhog, and that all other options (1 , 2 , 3 , 4 , 5 , 6 , 8 , 9 , 10) do not meet this criteria.

so, the experimental probability** is 1 / 10 (or 1 : 10) (1 / 10 = 10%)

**: experimental probability is about how many times something happens in the experiment--not theoretically. it means that if his life was destined to be 1 of the 10, the probability of his experience matching the criteria is 1 / 10

experimental probability can be thought of as

successes / possible outcomes

{I hope this was helpful!! }

3 0
2 years ago
Read 2 more answers
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