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3 years ago

Which of the following is true about the expression 5 × 1/4

Mathematics

1 answer:

Pepsi [2]3 years ago

4 0

5 * 1/4

5/1 * 1/4

5/4

The expression results in an improper fraction.

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Triangle ABC was dilated by 50%. What is the relationship between AC and A'C'?

Elina [12.6K]

Answer:

The length of segment AC is two times the length of segment A'C'

Step-by-step explanation:

we know that

If two figures are similar, then the ratio of its corresponding sides is proportional and this ratio is called the scale factor

Let

z ----> the scale factor

A'C' ----> the length of segment A'C'

AC ----> the length of segment AC

$z=\frac{A'C'}{AC}$

we have that

$z=50\%=50/100=\frac{1}{2}$ ---> the dilation is a reduction, because the scale factor is less than 1 and greater than zero

substitute

$\frac{1}{2}=\frac{A'C'}{AC}$

$AC=2A'C'$

therefore

The length of segment AC is two times the length of segment A'C'

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2 years ago

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Given that x = 7.3 m and θ = 52°, work out AB rounded to 3 SF.

trapecia [35]

Answer:

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2 years ago

Does anyone know how to do this

Thepotemich [5.8K]

Answer:

The solution is B

Step-by-step explanation:

$x + 5 \geqslant 1 \\ x \geqslant 1 - 5 \\ x \geqslant - 4$

then:

$x - 7 < - 3 \\ x < - 3 + 7 \\ x < 4$

therefore, interval [limits] of x:

$- 4 \leqslant x < 4$

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3 years ago

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yarga [219]

Step-by-step explanation:

hope you get idea of graphing the four lines

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3 years ago

Common factors 20 and 100

Arlecino [84]

Answer:

common factors of 20 are 20,10,5,4,2,1

common factors of 100 are 100,50,25,20,10,5,2,1.The common factors of 20 and 100 are20,10,5,4,2,1, interesting the two sets above.

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2 years ago

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