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3 years ago

Distributive property of 4(1/2a-b)

Mathematics

1 answer:

trapecia [35]3 years ago

6 0

2a - 4b

because 4 / 1/2 = 2 and 4 x b = 4b

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Find the product.<br><br> (−3)(−15)

My name is Ann [436]

Answer:45

Step-by-step explanation:

\mathrm{Remove\:parentheses}:\quad \left(-a\right)=-a,\:-\left(-a\right)=a

3\cdot \:15

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3 years ago

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stiks02 [169]

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Step-by-step explanation:

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3 years ago

Quadrilateral STAY is dilated to quadrilateral WOKE. If S is located at (6, 3) ) and W is located at (3, 3/2) , which rule repre

galben [10]

Answer:

S(x, y) → W( $\frac{1}{2}x,\frac{1}{2}y$ )

Step-by-step explanation:

Quadrilateral STAY has been dilated to quadrilateral WOKE.

Coordinates of the S are (6, 3) and after dilation coordinates of the point W are (3, $\frac{3}{2}$ ).

Scale factor for dilation = $\frac{\text{Coordinates of image}}{\text{Coordinates of actual}}$

= $\frac{3}{6}$

= $\frac{1}{2}$

So quadrilateral STAY has been dilated by a scale factor of $\frac{1}{2}$ to form WOKE.

Therefore, rule for the dilation will be,

S(x, y) → W( $\frac{1}{2}x,\frac{1}{2}y$ )

7 0

3 years ago

184.8 is what percent of 220? Write your answer in both decimal and percent form.

LenKa [72]

The answer is 1.19%
Or 119.0

6 0

3 years ago

Multiply 7x13 in binary.

scoray [572]

Answer:

1011011

Step-by-step explanation:

The binary multiplication is pretty much like the decimal one, we have just to remember that in the binary system 1+1 = 10.

First, convert 7 and 13 to binary

7 = 111

13 = 1101

now multiply with the same rules as in decimal

1101x

111

--------------

1101+

1101 +

1101

1111

-------------

1011011

The last row of digits are the carry bits.

So 7*13 = 1101*111(binary) = 1011011 (binary)

7 0

4 years ago