2 sine squared theta plus sine theta minus 1 equals 02sin2θ+sinθ−1=0

Mathematics

1 answer:

frutty [35]3 years ago

4 0

I did not even understand that equation

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Please help. Trig: Laws of Cosines

ladessa [460]

Answer:

16.2 units

Step-by-step explanation:

Greater angle: 180 - 72 = 108

D² = 10² + 10² - 2(10)(10)cos(108)

D² = 261.8033989

D = 16.18033989

8 0

3 years ago

Can i get help with this math?

Airida [17]

Sorry but am just in grade 1

7 0

3 years ago

What are the steps to solve d=1/e + 1/f for e ?

konstantin123 [22]

Solve for e

d = 1/e + 1/f

Move 1/f to the left side of the = sign

d - 1/f = 1/e

Multiply each side by e

e(d - 1/f) = e(1/e)

e(d - 1/f) = 1

Divide out (d - 1/f)

e(d - 1/f) / (d - 1/f) = 1 / (d - 1/f)

e = 1 / (d - 1/f)

8 0

3 years ago

ben earns a base salary of $400.00 every week with an additional 11% commission on everything he sells. if ben sold $6050.00 wor

RUDIKE [14]

If you would like to know what was his total pay last week, you can calculate this using the following steps:

a base salary ... $400.00
an additional 11% commission on everything Ben sells
11% of $6050.00 = 11% * 6050 = 11/100 * 6050 = $665.5

$400 + $665.5 = $1065.5

Result: His total pay was $1065.5.

4 0

3 years ago

Read 2 more answers

Sophia buys an apple that weighs 0.45 pound, a grapefruit that weighs pound, a navel orange that weighs pound, and a pear that w

Tanzania [10]

Answer:

The order of fruit from least to greatest weight is -

Apple , pear, navel orange, grapefruit

Step-by-step explanation:

P.S - The exact question is -

Given - Sophia buys an apple that weighs 0.45 pound, a grapefruit that weighs $\frac{3}{4}$ pound, a navel orange that weighs $\frac{5}{8}$ pound, and a pear that weighs 0.5 pound.