3 years ago

ARVB has been reflected as shown in the diagram. What is the length of 7B

Mathematics

1 answer:

bulgar [2K]3 years ago

6 0

The answer would be b

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A,B, C and D are the four corners of a rectangular plot marked out on level ground. Given that the bearing of B from A is 40 and

Elden [556K]

Answer:

given - a rectangle ABCD

AB = 40

AC. = 90

BC = ?

in triangle ABC

using Pythagoras theorem

(AB) ² + (BC) ² = (AC) ²

(40)² + (BC) ² = (90)²

(BC) ² = (90)²- (40)²

(BC) ² = 8100 - 1600

(BC) ² = 6500

BC =

$20 \sqrt{10}$

7 0

1 year ago

Write an equation where the variable is divided by a number, and a solution is -4/5

MrMuchimi

Answer:

x/-5

Step-by-step explanation:

Just divide by 5 and the denominator will be 5 meaning x would have to be 4.

Make sure your 5 is negative so the whole equation also ends up negative. x/-5=-4/5

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2 years ago

A computer rounded the number 129. 257 to the nearest hundredth what is this number rounded to the nearest hundredth

Ipatiy [6.2K]

129.26 because 7 is over 5

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3 years ago

X + 5y = 28<br> - x - 2y = -13

bazaltina [42]

Answer:

x=3

y=5

Step-by-step explanation:

x+5y=28 (i)

-x-2y=-13. (ii)

add equation 2 from equation 1

x+5y=28

-x-2y=-13

3y=15

y=5

put the value of y in equation 1

x+5y=28

x+5*5=28

x+25=28

x=28-25

x=3

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3 years ago

The owner of an electronics store received a shipment of MP3 players at a cost of $64.25 each. If he sells the MP3 players for $

Marizza181 [45]

Your answer to your question should be B if not then i dont know

7 0

3 years ago

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