3 years ago

Please help fast answer the question in the picture

Mathematics

1 answer:

salantis [7]3 years ago

3 0

Answer:

Rotation 90° counterclockwise about the origin

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1. (3 x 5) + (6 x 5) = (16 x 5) – (________ x 5) <br> 2. (3 x 8) + ( ________ x 8) = 13 x 8

Tcecarenko [31]

1. x3+x5=16. Multiply each side by 3: x+3x5=48. Continue simplifying and solving: 5x5+3x5=48. 8x5=48. 8x=240. x=30.

2. –7 x 8. –60. 3 ... You need to read the problem and know what information you (3 x 5) + (6 x 5) = (16 x 5) – (________ x 5(3 x 8) + ( ________ x 8) = 13 x 8

5 0

2 years ago

Read 2 more answers

Rationalise 5 divide by square root of 12

Fantom [35]

Answer:

(5√12)/12

Step-by-step explanation:

In general, 1/√a can be rationalized as (√a)/a. That is the denominator can be multiplied by the square root of the same number to rationalize it. The numerator needs to be multiplied by the same square root.

$\dfrac{5}{\sqrt{12}}=\dfrac{5}{\sqrt{12}}\cdot\dfrac{\sqrt{12}}{\sqrt{12}}=\boxed{\dfrac{5\sqrt{12}}{12}}$