3 years ago

Select the correct answer from each drop-down menu.

Mathematics

1 answer:

Nesterboy [21]3 years ago

4 0

Answer:

negative

positive

Step-by-step explanation:

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If the right angle triangle LMN.<br>L=30°, MN = 4cm and diagonal LM.<br>Find the LM and LN.

Gnoma [55]

LM is 6.9 to 1dm and LM is 8

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3 years ago

9. What is the scale factor of the dilation?

hodyreva [135]

Answer:

Step-by-step explanation:

The scale factor is the ratio of the corresponding sides, image to original, that is

scale factor = $\frac{P'S'}{PS}$ = $\frac{6}{3}$ = 2 → D

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3 years ago

Find the volume of the pyramid. Write your answer as a fraction or mixed number.

Dahasolnce [82]

Check the picture below.

let's notice that the base of the pyramid is triangle with a base of 5 and an altitude of 4, so it has an area of (1/2)(5)(4).

$\bf \textit{volume of a pyramid}\\\\ V=\cfrac{1}{3}Bh~~ \begin{cases} B=\stackrel{\textit{area of its}}{base}\\ h=height\\[-0.5em] \hrulefill\\ B=\frac{1}{2}(5)(4)\\ h=8 \end{cases}\implies V=\cfrac{1}{3}\left( \cfrac{1}{2}(5)(4) \right)(8)\implies V=\cfrac{1}{3}(10)(8) \\\\\\ V=\cfrac{80}{3}\implies V=26\frac{2}{3}$