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2 years ago

5

there is one plane that leaves from the city to the ski resort every hour. the first plane leaves at 10 the last plane leaves at

4 how many planes fly to the resort each day

1 answer:

jek_recluse [69]2 years ago

3 0

There are flights at 10, 11, 12, 1, 2, 3, 4. That's a total of 7 flights per day.

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Hi I need question 5 solved using SOH CAH TOA!

Bond [772]

According to the trigonometric functions, we can see that angle x can be found through the one that involves the adjacent side and the hypotenuse, which in this case is the cos,

$cos(x)=\frac{27}{30}$

then, if we apply the inverse we can find the value of x,

$\begin{gathered} cos^{-1}(cos(x))=cos^{-1}(\frac{27}{30}) \\ x\cong25.8 \end{gathered}$

Answer:

$x\cong25.8$

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1 year ago

Will give brainliest, thanks in advance!!

tester [92]

Answer:

-3+15i

Step-by-step explanation:

Apply complex arithmetic rule: $\left(a+bi\right)\left(c+di\right)=\left(ac-bd\right)+\left(ad+bc\right)i$

$\left(-3\cdot \:3-3\left(-2\right)\right)+\left(-3\left(-2\right)+3\cdot \:3\right)i$

-3 * 3 -3 (-2) = -3

$-3+15i$

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2 years ago

What is the sum of a 6-term geometric series if the first term is 21 and the last term is 1,240,029?

igor_vitrenko [27]

21 times x to the fifth (where x is the ratio between values) equals 1240029
1240029/21=59049
59049^(1/5)=9
so the values are 21, 21*9, 21*9^2, 21*9^3, 21*9^4, 1240029
the sum of these values is 1395030

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2 years ago

Read 2 more answers

What is the y-intercept of the function f(x) = 2x – 3 + 6? <br> Round to two decimal places.

valina [46]

Y-intercept is where the graph intercepts/crosses the y-axis. So where x = 0
f(0) = 2(0) - 3 + 6
f(0) = 0 + 3
f(0) = 3
y intercept is 3
two decimal places, just add zeros
= 3.00

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3 years ago

X2 + 7y if x = -5 and y = -8

Sholpan [36]

Answer:

x2 + 7y = -64 (if x = -5 and y = -8)

Step-by-step explanation:

x2 + 7y

(-5 × 2) + (7 × -8)

-10 + -54 which is the same as -10 - 54

-64

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2 years ago