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Ierofanga [76]
3 years ago
10

I need help with problem 28

Mathematics
1 answer:
Aleksandr-060686 [28]3 years ago
7 0
360 / 5 = 72

answer
each angle = 72 degrees
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The ratio of sues age to her fathers age is 2:7 in three years their ages will total 60, how old is sue and her dad right now
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Sue is 12 and her father is 42
7 0
4 years ago
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Which relationship between x and y in the equation shows a proportional relationship?
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It is A. Let me know if the answer is correct! :)

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3 years ago
The matrix C=[1,-2_-3,7] was used to encode a phrase to [7,-28,-25,-35,-2_-21,107,90,123,17]. Find C^-1 and use it to decode the
posledela
C=  \left[\begin{array}{cc}1&-2\\-3&7\end{array}\right]  \\ C^{-1}= \left[\begin{array}{cc}7&2\\3&1\end{array}\right]  \\ \left[\begin{array}{cc}7&2\\3&1\end{array}\right] \times   \left[\begin{array}{ccccc}7&-28&-25&-35&-2\\-21&107&90&123&17\end{array}\right]  \\ =\left[\begin{array}{ccccc}49-42&-196+214&-175+180&-245+246&-14+34\\21-21&-84+107&-75+90&-105+123&-6+17\end{array}\right] \\ =\left[\begin{array}{ccccc}7&18&5&1&20\\0&23&15&18&11\end{array}\right]
is the required matrix.
6 0
3 years ago
The base of a side of a ramp is 3 meters and the height os 0.6 Meters what us the area
Kobotan [32]

The answer would be


area = base x height divided by 2

3*0.6 = 1.8/2=0.9 square meters


5 0
3 years ago
Tamika has two bags of trail mix. Each has a combination of 60 pieces of fruit and nuts. Ratio of fruit to nuts in the first bag
madam [21]

Answer:

the second bag because the ratio is greater

Step-by-step explanation:

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fruits 3 : 5 nuts so 3+5=8 and 60/8=7.5 but 7.5*3=22.5

ratio is 3/5=0.428

Bag2

fruits 7 : 10 nuts so 10+7=17 and (60/17)*7 ≈ 24.7

ratio is 7/10=0.7

4 0
3 years ago
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