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3 years ago

Match the vocabulary word with the correct definition.

Mathematics

2 answers:

Digiron [165]3 years ago

3 0

Answer:

1=original image before transformation

2=shape or object that has been transformed

3=change made to shape or object

4=the mirror line

5=transformation in which figure flipped over line

Step-by-step explanation:

Whitepunk [10]3 years ago

3 0

Answer:

1. pre-image the original shape or object that is being transformed

2. image is a shape or object that has been transformed

3. transformation is a change made to a shape or object.

4. line of reflection is the mirror line; the line across where a figure is flipped

5. reflection is a transformation in which the figure is flipped over a line to give a mirror image of the original figure

Step-by-step explanation:

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4 1/2 yards of cloth are needed to make a woman’s dress. 2 2/7 yards of cloth are needed to make a girl’s dress. How much more c

nexus9112 [7]

Answer:

$2\frac{3}{14}$ yards

Step-by-step explanation:

We have been given that 4 1/2 yards of cloth are needed to make a woman’s dress. 2 2/7 yards of cloth are needed to make a girl’s dress.

To find the yards of more cloth needed to make a woman’s dress than a girl’s dress, we will subtract cloth needed for girl's dress from the cloth needed for woman's dress.

$4\frac{1}{2}-2\frac{2}{7}$

Convert mixed fraction into improper fraction:

$4\frac{1}{2}\Rightarrow \frac{4\times 2+1}{2}=\frac{8+1}{2}=\frac{9}{2}$

$2\frac{2}{7}\Rightarrow \frac{2\times 7+2}{7}=\frac{14+2}{7}=\frac{16}{7}$

$4\frac{1}{2}-2\frac{2}{7}=\frac{9}{2}-\frac{16}{7}$

Make a common denominator:

$\frac{9*7}{2*7}-\frac{16*2}{7*2}$

$\frac{63}{14}-\frac{32}{14}$

$\frac{63-32}{14}$

$\frac{31}{14}$

$2\frac{3}{14}$

Therefore, $2\frac{3}{14}$ yards more cloth is needed to make a woman’s dress than a girl’s dress.

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