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sergiy2304 [10]
3 years ago
14

Can someone pls help me with these two

Mathematics
1 answer:
OverLord2011 [107]3 years ago
8 0
That first one would be 14/ tan( 13)

The second would be 9 x cos(47)
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Find the missing lengths:<br> LO=5 and OK=4, find OH and KH.
hodyreva [135]

Answer:

The length of KH is 6 units and OH is 6.3 units.

Step-by-step explanation:

Given the figure with lengths LO=5 and OK=4. we have to find the length of  OH and KH.

In ΔLOH

By Pythagoras theorem

LH^2=LO^2+OH^2\\\\LH^2=5^2+OH^2 → (1)

In ΔKOH,

KH^2=OH^2+OK^2\\\\KH^2=OH^2+4^2  → (2)

In ΔKHL,

KL^2=LH^2+KH^2

Using eq (1) and (2), we get

KL^2=5^2+OH^2+OH^2+4^2

9^2=25+2OH^2+16

⇒ 2OH^2=81-25-16=40

⇒ OH=\sqrt{20}=6.324\sim6.3units.

Put the above value in eq 2, we get

KH^2=20+4^2=36

⇒ KH=6 units.

8 0
4 years ago
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1. Find the 4th term for the sequence with formula tn= n² + 1
solong [7]

Answer:

17

Step-by-step explanation:

T4 = 4² + 1

T4 = 4² + 1 = 17

Yip yip that's all

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3 years ago
What is the price of $100 face value of a ten-year, zero-coupon, risk-free bond with an ytm of 5%? $58.82
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100=P(1+0.05)^10
P=100/(1.05)^10
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What is the value of x in the equation 9/10 (x + 2/3)=4 1/2
garri49 [273]
Get the x variable on one side and the numbers another side.

9/10(x + 2/3) = 4 1/2

Distribute the 9/10 across the x and 2/3.

(9/10)x + 18/30 = 4 1/2

Simplify 18/30 to make our life easier.

(9/10)x + 3/5 = 4 1/2

Subtract 3/5 from each side of the equation.

(9/10)x = 3 9/10

Divide both sides by 9/10.

x = 4 1/3
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3 years ago
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What is the vertex of the graph of y = –x2
dolphi86 [110]
The parabola goes down(makes a sad face) because it is negative. The answer is 0,0
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3 years ago
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