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Delicious77 [7]
3 years ago
9

Find the surface area of each figure. Round your answers to the nearest tenth, if necessary​

Mathematics
1 answer:
ss7ja [257]3 years ago
5 0

Answer: 109m^2

Step-by-step explanation:

(5)(8.4)/2 = 21 m^2

(4 ) (21) = 84 m^2

Base = 5^2 = 25 m^2

84 + 25 = 109 m^2

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PLS HELP
Korvikt [17]

Answer:

7 inches

Step-by-step explanation: Every 1 inch = 50 miles.  So every 50 miles of tunnel is 1 inch in a scale drawing.  350miles/50 miles=7 inches.

The scale drawing is 7 inches.

4 0
3 years ago
Read 2 more answers
Components of a certain type are shipped to a supplier in batches of ten. suppose that 50% of all such batches con- tain no defe
dimulka [17.4K]
Solution
Let 0 be the event that the batch has 0 defectives, 1 be the event the batch has 1 defective, and 2 be
the event the batch has 2 defectives. Let 0 be the event that neither selected component is defective.
(0
) = 0.5,(1
) = 0.3, (2
) = 0.2
The event 0 can happen in three different ways: (i) Our batch of 10 is perfect, and we get no defectives in
our sample of two; (ii) Our batch of 10 has 1 defective, but our sample of two misses them; (iii) Our batch
has 2 defective, but our sample misses them.
For (i), the probability is (0.5)(1).
For (ii), the probability that our batch has 1 defective is 0.3. Given that it has 1 defective, the probability
that our sample misses it is (
9
2
)
(
10
2
)
, which is 8
10
. So the probability of (ii) is (0.3) (
8
10).
For (iii), the probability our batch has 2 defective is 0.2. Given that it has 2 defective, the probability that
our sample misses both is (
8
2
)
(
10
2
)
, which is 56
90
. So the probability of (iii) is (0.2) (
56
90). We have therefore found
that
(0
) = (0.5)(1) + (0.3) (
8
10) + (0.2) (
56
90).
We use the general conditional probability formula:
(0
|0
) =
(0 ∩ 0
)
(0
)
=
(0.5)(1)
(0.5)(1) + (0.3) (
8
10) + (0.2) (
56
90)
= 0.5784.
(1
|0
) =
(1∩0
)
(0
)
=
(0.3)(
8
10)
(0.5)(1)+(0.3)(
8
10)+(0.2)(
56
90)
= 0.2776.
(2
|0
) =
(2∩0
)
(0
)
=
(0.2)(
56
90)
(0.5)(1)+(0.3)(
8
10)+(0.2)(
56
90)
= 0.1440.
Answer: 0.5784; 0.2776; 0.1440.
4 0
3 years ago
The question is below; Giving brainliest
Vitek1552 [10]

Answer:

a triangle

nm wrong answer

Step-by-step explanation:

8 0
3 years ago
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SOMEONE PLEASE HELP‼️‼️‼️ ILL MARK BRAINLYEST PLEASE ‼️‼️
ki77a [65]

Answer: 1/2

Step-by-step explanation:

No matter which midsegment you created, it will be one-half the length of the triangle's base (the side you did not use), and the midsegment and base will be parallel lines!

5 0
2 years ago
Read 2 more answers
M=7 n=-2 p=4 i really don’t knwo
romanna [79]

Answer:

-70

Step-by-step explanation:

m = 7

n = -2

p = 4

\frac{10mn}{3p-10} \\\\\frac{10(7)(-2)}{3(4)-10} \\\\\frac{70(-2)}{12-10} \\\\\frac{-140}{2} \\\\-70

4 0
3 years ago
Read 2 more answers
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