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Katena32 [7]
3 years ago
5

SinA/sinB=2/√3 and cosA/cosB=1/√2 ,tan^2B=?​

Mathematics
1 answer:
Talja [164]3 years ago
6 0

Answer:

3/8 tan²A

Step-by-step explanation:

sinB = √3/2 sinA and cos B= √2 cosA (from given)

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To thase who missed the other ones 4+5-6/7*8-7
hoa [83]

Answer:

-6.67 im pretty sure

Step-by-step explanation:

4+5=9

9-6=3

3/7=0.43

0.43-7=-6.67

the calculator says sum else but like who cares right? lol

4 0
3 years ago
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How do I use this app
Natalka [10]

Answer:

Ask a question and fellow persons will help you .

Step-by-step explanation:

Just type your question in the blue box at the top of course.

4 0
3 years ago
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Brittany went grocery shopping , she spent 4/7 of her money on fresh foods. she spent 2/3 of the remainder of her money on froze
pychu [463]

Answer:

$44

Step-by-step explanation:

Let the total amount of money be represented by Y

Amount spent on fresh food =

\frac{4}{7}  \times y

Remainder =

y -  \frac{4}{7}y  =  \frac{3}{7} y

Amount spent on frozen foods = two-thirds of remainder = $22

=  \frac{2}{3}  \times  \frac{3}{7} y = \frac{2}{7}  y

\frac{2}{7}  y = 22 \\ y = 22 \times  \frac{7}{2} \\ y = 77

The total amount for grocery shopping is $77

Therefore, Brittany spent $44 on fresh foods

=  \frac{4}{7}  \times 77 \\  = 4 \times 11 \\  = 44

5 0
3 years ago
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What is the value of x?<br><br> 6(−3−x)−2x=14<br><br> Enter your answer in the box.
olchik [2.2K]
For this we would first simplify using order of operations.
6(-3-x) - 2x = 14 ------> Distribute
-18 -6x - 2x = 14 ------> Combine Like Terms
-8x - 18 = 14 Now we want to isolate x!
-8x - 18 = 14 ------> Add 18 to both sides.
-8x = 32 ------> Divide both sides by -8.
x = -4
Hope this helps!
8 0
3 years ago
Find the total price including 7percent tax on a $9.79 purchase
MariettaO [177]
All u do is put 9.79 multiplied by .07 and it gives you 0.6853 so its .68 or .69 cents if u round
4 0
3 years ago
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