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SCORPION-xisa [38]
3 years ago
13

Find BC. leave your answer in a simplified form

Mathematics
2 answers:
Anettt [7]3 years ago
3 0

Answer:

D) 2√5

Step-by-step explanation:

Pythagorean Theorem

a^2 + b^2 = c^2

2^2 + 4^2 = c^2

4 + 16 = c^2

20 = c^2

√20 = √c^2

2√5 = c

Sergeeva-Olga [200]3 years ago
3 0

Answer:

D.

Step-by-step explanation:

You will do a² + b² = c²

Plug in 4² + 2² = 20

√20 = 4.4721....

D = 2√5 = 4.4721..

HOPE THIS HELPED!!!

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What is 5.6 = p - 8.3
vredina [299]

Answer:

p - 8.3 = 5.6

p = 5.6+8.3= 13.9

7 0
4 years ago
(2.8•10^8)(1.9•10^4)
Mekhanik [1.2K]

Answer: 5.32 × 10^12

Step-by-step explanation:

This is a question relating to indices. In indices, we add the power given for question relating to multiplication. Hence, this will be:

= (2.8•10^8)(1.9•10^4)

= (2.8 × 1.9) × 10^8+4

= 5.32 × 10^12

Therefore, the answer to the question will be 5.32 × 10^12.

5 0
3 years ago
Briley has 347 marbles. Joey has 4 times as many as Briley. Carson has 799 fewer than Joey. How many marbles does Carson have?
Nadya [2.5K]

Answer:

697 marbles

Step-by-step explanation:

We know:

Briley- 374 marbles

Joey- 374*4

Carson- (374*4)-799

Solve:

374*4= 1496 (This is how many Joey has)

1496-799= 697 (This is how many Carson has)

Hope this helps!

6 0
3 years ago
URGENT PLEASE convert y = -5/6x -9 to standard slope form
SpyIntel [72]

Answer:

6y + 5x = -54  

Step-by-step explanation:

y = m x + b -> slope-intercept form

ax + by = c -> standard form

y = - \frac{5}{6} x - 9

6y = -5x - 54

6y + 5x = -54  

3 0
3 years ago
Mr. Kelly has 50 coins, all of which are either nickels or dimes. They have a
Ilia_Sergeevich [38]

So i think its $4.35.

Step-by-step explanation:

I did addition to find out this answer my calculations seem to be correct.

$3.85 + 50 cents = 4 dollars and 35 cents

3 0
3 years ago
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