2 years ago

7sin^2x+sinx-6=0 Does any one know the answer to this and how to solve???

Mathematics

1 answer:

sweet [91]2 years ago

7 0

Answer:

7Sin^2x+(7-6)sinx-6=0

7sin^2x+7sinx-6sinx-6=0

7sin(sinx+1)-6(sinx+1)=0

(sinx+1)(7sin-6)=0

either, or,

sinx+1=0 7sin-6=0

sinx=-1 sin=6/7

You might be interested in

Will mark brainliest if you help!!!!!

Katyanochek1 [597]

Answer:

.70

Step-by-step explanation:

5 and up round up so it would round to .7

3 0

3 years ago

In how many ways can 3 cards from a deck of 52 cards can be laid in a row face up?

tresset_1 [31]

Ok slot method
3 slots
1st slot has 52 options
2nd slot has 51 optoins (1 went to first slot)
3rd slot has 50 options (1 went to previous slot)

number of ways=52*51*50=132600 ways

4 0

3 years ago

Read 2 more answers

106 = 4x + 10<br><br>What is the answer to this

Svet_ta [14]

Answer:

Step-by-step explanation:

24 x 4 = 96

96 + 10 = 106

I hope this helps!

3 0

2 years ago

Read 2 more answers

The ratio is boys to girls is 3:5. If there are 24 boys how many girls are in the class

RoseWind [281]

If the ratio is 3:5, then for every 3 boys there are 5 girls, so you multiply 3 and 5 by 24 and you get your answer.

4 0

2 years ago

Read 2 more answers

Akiko's bill at the restaurant was $14.05. She left a tip of 18% what is the tip amount (no rounding)

kozerog [31]

Answer:

$2.52

Step-by-step explanation:

8 0

2 years ago