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bagirrra123 [75]
3 years ago
6

The Idol's Eye diamond weighs 79.2 carats. The Blue Hope diamond weighs 33.68 carats less than the Idol's Eye. What is the weigh

t of the Blue Hope diamond?
\
Mathematics
1 answer:
Advocard [28]3 years ago
4 0

Answer:

2.35

Step-by-step explanation:

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2 vertical buildings are 42 metres apart and the shorter building is 135m high. The angle of elevation from the top of the short
ipn [44]

Answer:

Step-by-step explanation:

base=42 m

height=h=?

base angle θ=60°

tan 60=h/42

h=42tan 60=42√3≈72.75 m

height of taller building=135+42√3 m≈135+72.75≈207.75 m≈208 m

6 0
2 years ago
Say you're playing three-card poker; that is, you're dealt three cards in a row at random from a standard deck of 52 cards. What
Brums [2.3K]

Answer:

Step-by-step explanation:

Given

There are 52 cards in total

there are total of 13 pairs of same cards with each pair containing 4 cards

Probability of getting a pair or three of kind card=1-Probability of all three cards being different

Probability of selecting all three different cards can be find out by selecting a card from first 13 pairs and remaining 2 cards from remaining 12 pairs i.e.

=\frac{52\times 48\times 44}{52\times 51\times 50}

for first card there are 52 options after choosing first card one pair is destroyed as we have to select different card .

For second card we have to select from remaining 12 pairs i.e. 48 cards and so on for third card.

Required Probability is =1-\frac{52\times 48\times 44}{52\times 51\times 50}

=\frac{22776}{132600}

7 0
3 years ago
Please help!!!!<br> Thank you!
Rudik [331]

Answer:

option 3, 900 square units

Step-by-step explanation:

area=20*(32+13)

=900

7 0
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1/4

Step-by-step explanation:

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Which of these is equal to sin 58°?
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Answer:

C Cos32

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