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Firlakuza [10]
3 years ago
11

The 3 is question 3 (it's not apart of the problem). Help Please6th Grade Math

Mathematics
1 answer:
Nat2105 [25]3 years ago
8 0
Area is Base times Height.
the height is 5, and the base is 7 so our equation is
5×7
the answer is 35
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In a certain​ lottery, an urn contains balls numbered 1 to 26. From this​ urn, 6 balls are chosen​ randomly, without replacement
expeople1 [14]

Answer:

\frac{1}{230230}

Step-by-step explanation:

Given that in a certain​ lottery, an urn contains balls numbered 1 to 26

From this​ urn, 6 balls are chosen​ randomly, without replacement.

Bet amount 1 dollar and he selects a set of six numbers.

If these match with those chosen from the urn he wins (order does not matter)

Total ways of choosing 6 out of 26 = 26C6 = \frac{26!}{20!6!} \\=230230

The way he selects = 1

Hence probability of winning  =\frac{1}{230230}

with one ticket

4 0
3 years ago
I need help on questions 48 49 and 50 and u need to find the surface area of the 3 polyhedras please and thank you!
White raven [17]

48. The surface area of a cylinder is given by

... A = 2πr² + 2πrh = 2πr(r+h)

For r = 13 mi and h = 7 mi, this becomes

... A = 2π(13 mi)(13 mi + 7 mi) = 520π mi²

The surface area of the cylinder is 520π mi² ≈ 1634 mi².

49. The surface area of a rectangular prism is

... A = 2(LW + H(L+W))

For L = 20 m, W = 10 m, H = 7 m, this becomes

... A = 2((20 m)(10 m) + (7 m)(20 m + 10 m)) = 2(200 m² + 210 m²) = 820 m²

The surface area of the prism is 820 m².

50. The formula is the same as for problem 48.

For r = 10 m and h = 13 m, this becomes

... A = 2π(10 m)(10 m + 13 m) = 460π m² ≈ 1445 m²

The surface area of the cylinder is 460π m² ≈ 1445 m².

_____

When calculations are repetitive, it is convenient to let a calculator or spreadsheet do them.

7 0
3 years ago
If angle DAB measures 34 degrees, what is the measure of arc DB
ollegr [7]
Arc DB will also measure 34 degrees.
4 0
3 years ago
2x 2 + 10-12<br> X +6<br> Simplify
jenyasd209 [6]

Answer:

-72 X + 14

Step-by-step explanation:

6 0
3 years ago
Which is the graph of f(x)=5(2)^x
Inessa05 [86]
X:     -2|   -1| 0|   1|   2|
y: 1.25| 2.5| 5| 10| 20|
 

4 0
3 years ago
Read 2 more answers
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