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Luden [163]
3 years ago
6

There are 7 boys in a class of 15 students ( a ) what is the ratioo of all students in the class to girls? (b) what is the ratio

of boys to girls?
Mathematics
1 answer:
antiseptic1488 [7]3 years ago
6 0
A:
Ratio of all students in the class to girls is...
15:8

b:
Ratio of boys to girls....
7:8

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Please help me quick please solve in inequality form
Setler79 [48]

Answer:

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Step-by-step explanation:

In the inequality,

2n+6\leq 5

The number (n) is multiplied by (2), therefore options (A) and (B) can be ruled out since they have the statement, "twice the sum of a number and six". Moreover, one can see the inequality sign indicates that this value is less than or equal to (5). Thus, one of the possible solutions to this equation is (5), therefore, option (C) is incorrect. Therefore, the only remaining correction option is option (D).

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2sinx / cos3x = tan3x - tanx -verify the identity-
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Answer:

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This is a quadratic equation in sin3x.

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If x takes real values, the upper sign must be rejected.

sin3x=1−5–√2

⟹3x=nπ+(−1)nsin−11−5–√2

⟹x=13[nπ+(−1)nsin−11−5–√2]

Step-by-step explanation:

Hope this kind of helps

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Natalija [7]
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Help me out mathematics
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Answer:

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Step-by-step explanation:

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