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a_sh-v [17]
3 years ago
7

PLEASE HELP HURRY!! The image below shows two dilated figures with lines AB and A'B' drawn. If the larger figure was dilated usi

ng a scale factor of 3, what relationship do lines AB and AB
have? (10 points)

Mathematics
1 answer:
mash [69]3 years ago
3 0

9514 1404 393

Answer:

  A'B' = 3×AB

Step-by-step explanation:

Any linear measure on the scaled-up drawing will be the measure of the original, multiplied by the scale factor.

  A'B' = 3×AB

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You want to place a towel bar that is 10 1⁄4 inches long in the center of a door that is 26 1⁄3 inches wide. How far should you
attashe74 [19]
The bar should be 8 1/24 from the each edge of the door.

We need to subtract 10 1/4 from 26 1/3 to get the fraction of the space not covered by the towel bar. 
We also need to divide the difference by 2 because we placed the towel bar in the center of the door.

1st we need to convert the mixed fractions into fractions to perform subtraction.
26 1/3 = ((26*3)+1)/3 = 79/3
10 1/4 = ((10*4)+1)/4 = 41/4

Steps in Subtracting Fractions
Step 1. Make sure the denominator is the same. 3 and 4 are the denominators, they are not the same but they are factor of 12. So,
79/3 must be multiplied by 4 = 79 * 4 / 3 * 4 = 316 / 12
41/4 must be multiplied by 3 = 41 * 3 / 4 * 3 = 123 / 12

Step 2. Subtract the numerators and place them above the common denominator
316/12 - 123/12 = 316 - 123 / 12 = 193 / 12

Before we can simplify the fraction, we must divide it by two to get the measurement of each edge of the door.

Steps in dividing fractions.
Step 1. Get the reciprocal of the 2nd fraction.
1st fraction : 193 / 12
2nd fraction : 2 /1  ⇒ reciprocal 1/2

Step 2. Multiply the 1st fraction to the reciprocal of the 2nd fraction
193 / 12 * 1/2 = 193 * 1 / 12 * 2 = 193 / 24

Step 3. Simplify the fraction.
193 / 24 = 8 1/24
8 0
3 years ago
Find the area of the shape​
bixtya [17]

Answer:

Step-by-step explanation:

Answer:

=> 1/4  * \pi r^{2}

=> 1/4 * 3.14 * 4

=> 3.14

Answer = 3.14

<h2>Please mark my answer as the brainliest for further answers :)</h2>
4 0
3 years ago
2√72 + 5√242 what is the answer for this question please can u tell me the right answer​
Radda [10]

Answer:

67\sqrt{2}

Step-by-step explanation:

Assuming you require to simplify the expression.

Using the rule of radicals

\sqrt{a} × \sqrt{b} ⇔ \sqrt{ab}

Simplifying the radicals

\sqrt{72} = \sqrt{36(2)} = \sqrt{36} × \sqrt{2} = 6\sqrt{2}

\sqrt{242} = \sqrt{121(2)} = \sqrt{121} × \sqrt{2} = 11\sqrt{2}

Then

2\sqrt{72} + 5\sqrt{242}

= 2(6\sqrt{2} ) + 5(11\sqrt{2} )

= 12\sqrt{2} + 55\sqrt{2}

= 67\sqrt{2}

6 0
3 years ago
Add the polynomials. (9x2 - 6x +6) + (7x3 - 9x)
Alchen [17]

Answer:

-15x+45 should be your answer

Step-by-step explanation:

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3 years ago
A family installs and fills an aboveground pool. The swimming pool costs $850 to install, and it costs $75 per thousand gallons
kari74 [83]

Answer:

925????

Step-by-step explanation:

6 0
3 years ago
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