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Montano1993 [528]
3 years ago
5

Can someone answer #13, #15, and #16

Mathematics
2 answers:
Dominik [7]3 years ago
8 0
#13: b
#14: c
#16: c

It is very easy, have a nice day :)
Mars2501 [29]3 years ago
3 0
16). Volume of a cube: v = s³         (s) stands for side length

v = 3³
v = 3 × 3
v = 9

You were right, the answer is a.
__________________________________________________________
 
I drew a picture to figure out this problem. I drew a circle with 16 different sections. Half of them were black and the other half were white. If a dart is thrown 3 times and lands on the black each time, then you have to eliminate the 3 times. So on the picture, eliminate 3 black blocks. The question wants to know the probability of the dart landing on a black if it's thrown a fourth time. In order to find this out, you need to eliminate just one more black section. Then, you have four more black sections left. You have to put 4 over the number of total black sections there were, which are 8. 4/8 = 1/2, so the final answer is 50%. Sorry if this is confusing. 

__________________________________________________________


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Determine the angle at the centre of a circle with radius 12.0 cm for an arc length of of 21.0 cm.
nata0808 [166]

Answer:

\theta=\dfrac{7}{4}\ \text{radian}

Step-by-step explanation:

We have,

Radius of the circle is 12 cm

Arc length, l = 21 cm

It is required to find the central angle of the circle. The formula for the length of an arc of a circle is :

l=r\times \theta

\theta is central angle

\theta=\dfrac{l}{r}\\\\\theta=\dfrac{21}{12}\\\\\theta=\dfrac{7}{4}\ \text{radian}

So, the angle at the centre of the circle is \dfrac{7}{4}\ \text{radian}.

7 0
3 years ago
PLEASE HELP
Aleks04 [339]
Answer: 40%

=========================================

Work Shown:

"given that it's a senior" is an important piece of info that tells us to only focus on the "seniors" column. The word "given" is an indication that we know this information 100%

There are 5 seniors (2+3 = 5) and 2 of them are male. So 2/5 = 0.40 = 40% of the seniors are male. The probability of selecting a male, if we know this person is a senior, is 40%

3 0
3 years ago
Read 2 more answers
Which should be calculated first to solve this story problem?
Elden [556K]
The answer would be a because of the time he is at the gym just add and subtract but the answer is a
5 0
3 years ago
Can someone please help me with b, d, and 9-13? I already drew a number line, thanks in advance! :)
inessss [21]
B)
\frac{3}{13}  = s
d)
\frac{5}{4}  = s
9) I'm not really sure how to answer it, but I guess like 2.1, 2.2, 2.5, etc.,

10)
{2}^{2}  = 4
{3}^{2}  = 9
so {5, 6, 7, 8} is the answer

11) for some reason it won't let me insert a picture but put place
\sqrt{4}
above 2, and then place
\sqrt{9}
above 3, and then place
\sqrt{7}
in between 2 and 3, but place it a little closer to three since
\sqrt{7}  = 2.65
12) place
\sqrt{5}
between 2 and three, but closer to two since
\sqrt{5}  = 2.24
and also
\sqrt{5}  <  \sqrt{7}
and for number 13) the square root of 144 is 12, and the square root of 169 is 13, so any numbers between 12 and 13 will work.


I hope this helped and if not, message me and ill try to explain!
8 0
3 years ago
RADIOS is a hexagon that has six equal sides. The coordinates of side AD are (–4, 2) and (7, 2). What is the perimeter of the he
aev [14]
On desmos, a graphing calculator, I inputted your numbers, and I got that each side is 11 units long. Therefore, because a hexagon has 6 sides, you would have 6 * 11 = 66 units.

Therefore, your answer is 66.

Hope this helps and have a nice day:)
4 0
3 years ago
Read 2 more answers
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