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PIT_PIT [208]
3 years ago
9

Please help anyone if you can help thanks

Mathematics
1 answer:
-BARSIC- [3]3 years ago
7 0

Answer:

t=5/10n

Step-by-step explanation:

The question wants to know how much time it takes to run one lap, not how many laps can be run in a certain amount of time.

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The diameter of a circle is 20m. Find its area in terms of pie(urgent)
Alona [7]

<em>Answer:</em>

<em>100 </em><em>pie </em><em>m^</em><em>2</em>

<em>solution \\ diameter = 20 \: m \\  radius =  \frac{20}{2}  = 10 \: m \\ area \:  = \pi \:  {r}^{2}  \\  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  = \pi \times  {10}^{2}  \\  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  = \pi \times 100 \\  \:  \:  \:  \:  \:  = 100\pi  \:  {m}^{2}  \\ hope \: it \: helps....</em>

3 0
3 years ago
Read 2 more answers
Based on the​ Census, state A has 21 fewer electoral votes for president than state B. If the total number of electoral votes fo
Vedmedyk [2.9K]

Answer:

state A = 32 votes, state B = 53 votes

Step-by-step explanation:

Let the number of electoral votes for state A be a and state B be b

a  = b - 21

a + b = 85

Substituting a for b - 21 in the second equation

2b - 21 = 85

2b = 106

b = 53

Plugging b back in

85 - 53 = 32

3 0
3 years ago
Help for number 5 please
madam [21]
6i^4 = 6*1 = 6
6i^3 = 6*(-i) = -6i
-2i^2 = (-2)*(-1) = 2
sqrt(-49) = 7i

So, we have: 6 - 6i + 2 + 7i = 8 + i
The answer is D

8 0
3 years ago
A$250 suit is marked down by 30%. Find the sale price,
Dahasolnce [82]

Answer:

175 is the answer the percentage is 75

4 0
3 years ago
Simplify <br> 15-1/2 (10z + 6) – 25z<br> plz hurry
kolezko [41]

Answer:

-5z -13 is answer

Step-by-step explanation:

=15+−5z+−3+−25

Combine Like Terms:

=15+−5z+−3+−25

=(−5z)+(15+−3+−25)

=−5z+−13

bye

7 0
3 years ago
Read 2 more answers
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