2 years ago

Write the expression as the sin or cosine of an angle. sin pi/3 cos pi/7 - sin pi/7 cos pi/3

1 answer:

5 0

sin(4π21). Explanation: Notice that this fits the form of the sine subtraction formula: sin(A−B)=sin(A)cos(B)−cos(A)sin(B).

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Simplify by commbining the like terms. 8y - 3y

11Alexandr11 [23.1K]

8y-3y=5y
5y is the answer

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3 years ago

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Each week Jessica earns $12 doing yard work. She saves 40% of the money she makes. A. How much does she save each week? B. How m

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She saves 4.8$ and she spends 7.20$ each week

7 0

2 years ago

Which equation represents the line through (0,0) and (3, 4)?

Andreas93 [3]

Answer:

3-0

=4/3

<u>y-0</u> =4/3

x-0

3y-0=4x-0

3y=4x

y=4/3x

Step-by-step explanation:

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2 years ago

If Tanisha has $nbsp 100 100 to invest at 66% per annum compounded semiannuallysemiannually, how long will it be before she h

Oxana [17]

Answer:

time is 6.76 years

Step-by-step explanation:

given data

amount = $150

payment = $100

rate r = 6% = 0.06

to find out

time period t

solution

we know it is compounding continuous

so we will apply here formula that is

amount = payment × $e^{rt}$ ..........1

put here all value we get

amount = payment × $e^{rt}$

150 = 100 × $e^{0.06t}$

take ln both side

ln 1.5 = $e^{0.06t}$

0.40546 = 0.06t

t = 0.40546 / 0.06

t = 6.76

so time is 6.76 years

7 0

3 years ago

Write an expression with a negative exponent that has a value between 0 and 1:2

Naddika [18.5K]

Edit to reflect comments:

3^-1=1/3
4^-1=1/4

Flip the fraction over basically i.e. 4/1---->1/4

7 0

3 years ago