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Svet_ta [14]
3 years ago
11

The difference of the measures of two supplementary angles is 80°. find the measure of each angle.

Mathematics
1 answer:
telo118 [61]3 years ago
4 0
I poooped myself there is brown stuff all over the place
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Subtract -2k3 + k2 - 9 from 5k3 - 3k + 7.
tankabanditka [31]
5k3-3k+7-(-2k3+k2-9)
basically rewrite with simple algebra principles
15k-3k+7-(-6k+2k-9)
split up the parenthesis
15k-3k+7+6k-2k+9
sort them
15k-3k+6k-3k+7+9
short down by adding up the similar factors
answer: 18k+18
factorise
18(k+1)
both forms are right
8 0
3 years ago
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When rolling a number cube with sides labeled 1 through 6, what is the probability of rolling a number greater than 2?
vlabodo [156]
That would be 4/6, or 2/3 simplified. As a percent, that would be 66%.

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3 years ago
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Osvoldo has a goal of getting at least 30% of his grams of carbohydrates each day from whole grains. Today, he ate 220 grams of
saw5 [17]

Answer:

Osvoldo did not meet his goal

Step-by-step explanation:

To know the percentage of carbohydrates that Osvoldo ate from grains with respect to the total, we simply have to divide the amount of carbohydrates he got with the grains by the total

55 / 220 = 0.25

then to express it as a percentage this number has to be multiplied by 100

0.25 * 100 = 25%

Osvoldo wanted to reach 30% and only got 25%

25% < 30%

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Tim typed a 46-word paragraph in 3/4 of a minute. What is his typing speed per minute?
soldier1979 [14.2K]

Answer:i think the answer is something

Step-by-step explanation:

6 0
2 years ago
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X2 + 4x - 21 = 0 quadratic formula
Elena-2011 [213]

Answer:

0

Step-by-step explanation:

x2 +4x-21=0. solve for x

x =  \frac{7}{2}

x = 3 \frac{1}{2}  \ x = 3.5

6 0
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