If m <2 =40o then What does m <z equal

Mathematics

1 answer:

ANEK [815]3 years ago

5 0

For the small triangle, <2=40, so we can add 40 to the 90 degree angles to get 130. subtract 180-130 to get the remaining angle in the small triangle to get 50.
The remaining angle, 50 is also the angle to the large triangle. So Since the top angle of the large triangle is =90. So add the 50 and 90 to get 140.Subt 180-140 because the total of the large angles should be 180 degrees. That leaves 40 degrees for angle z. So that would be B.

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Deniz had a full gallon of milk. She poured out 4 cups of milk. There are 16 cups in 1 gallon. About what percent of the origina

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Answer:

75% of the original volume is left.

Step-by-step explanation:

Deniz had a full gallon of milk, or 16 cups of milk, and then she poured out 4 cups of milk. That is:

$\\ A_{full-gallon} = \frac{16}{16}$ cups of milk, since $\\ \frac{16}{16} = 1$ or $\\ 1 * 100\% = 100\%$ of the original volume.
Deniz poured out 4 cups of milk from the 16 available (or $\\ \frac{4}{16}$ ).

Then,

The total left is:

$\\ Total_{left} = \frac{16}{16} - \frac{4}{16} = \frac{12}{16} = \frac{3}{4}$ , since we are dealing here with fractions with the same denominator.

In other words, $\\ \frac{3}{4} = 0.75$ is the amount of milk left in the container.

In terms of percentage, $\\ \frac{3}{4} = 0.75$ is equivalent to $\\ 0.75*100\% = 75\%$ of the original volume, because Deniz poured out $\\ \frac{4}{16} = \frac{1}{4} = 0.25$ or $\\ 0.25*100\% = 25\%$ from the original volume.