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ollegr [7]
3 years ago
13

Help me please thank you

Mathematics
1 answer:
Dmitrij [34]3 years ago
3 0

Answer in attachment.

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A survey of 11 students showed that 8 liked science, 7 liked mathematics, and 4 liked both. How many students just liked science
andreyandreev [35.5K]

Answer:

4 I guess..........not sure but my answer is 4

5 0
3 years ago
If A+B= 45° then prove that: tanA+ tanB+ tanA. tanB​
Iteru [2.4K]

Answer:

See Explanation

Step-by-step explanation:

A+B= 45 \degree \\  \\ assuming  \:  \tan \: on \: both \: sides \\  \\\implies \: \tan( A+B)=  \tan 45 \degree \\  \\  \implies \: \tan( A+B)=  1 \:  \: \\  (  \because \: \tan 45 \degree = 1) \\  \\ \implies \:  \frac{\tan \: A +\tan \: B }{1 - \tan \: A .\tan \: B }  = 1 \\  \\ \implies \: \tan \: A +\tan \: B = 1 - \tan \: A .\tan \: B \\  \\ \purple{ \implies }\:  \orange{ \bold{\tan \: A +\tan \: B  + \tan \: A .\tan \: B= 1 }} \\  \\ thus \: proved

8 0
2 years ago
How cm does 31m equal to
Ksju [112]
You multiply 31 by 100 because one meter equals 100 centimeters. Then that gives you 3100 which is what 31m equals to in cm.
6 0
3 years ago
I NEED THIS DONE ASAP I'LL GIVE YOU 50 POINTS PLUS BRAIN LIST
vichka [17]

Answer:

2nd option

Step-by-step explanation:

It's direct because it's equation is y = -1/2x

That means it passes through the point (0, 0), making it an example of direct variation.

8 0
3 years ago
The average number of points a basketball team scored for three games was 63 points. In the first two games they scored the same
Diano4ka-milaya [45]

Answer:

First Game: 65 points

Second Game : 65 points

Third Game : 59 points

Step-by-step explanation:

Average = sum of values/number of values

The number of values = 3, an d average = 63

63 = x/3

63 * 3 = x

189 = x

Now 189 is the sum of points over two games.

Their first two games are worth the same, so lets call that s +s = 2s

Their 3rd game is worth 6 less points than s, so s-6

let's add up all the terms:

2s + (s - 6) = 3s - 6

Solve:

3s - 6 = 189

3s = 195

s = 65

The first two games are worth 65, and the third game is worth 65 - 6 = 59.

-Chetan K

6 0
2 years ago
Read 2 more answers
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