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yarga [219]
3 years ago
15

N/A yhhhhb hhhbbub bb he hb hb hb h. Hb hb h

Mathematics
2 answers:
zmey [24]3 years ago
5 0

Answer:

that is no answer you don't need to type stuff if it is not for work/school

Olin [163]3 years ago
3 0

Answer:

14

Step-by-step explanation:

bako has spoken

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In ΔKLM, l = 570 cm, k = 490 cm and ∠K=46°. Find all possible values of ∠L, to the nearest degree.
Katen [24]

Step-by-step explanation:

In ΔKLM, l = 570 cm, k = 490 cm and ∠K=46°. Find all possible values of ∠L, to the nearest degree.

K

L

M

k = 490

l = 570

46°

?°

\frac{\sin A}{a}=\frac{\sin B}{b}

a

sinA

​  

=  

b

sinB

​  

 

From the reference sheet (reciprocal version).

\frac{\sin L}{570}=\frac{\sin 46}{490}

570

sinL

​  

=  

490

sin46

​  

 

Plug in values.

\sin L=\frac{570\sin 46}{490}\approx 0.836783

sinL=  

490

570sin46

​  

≈0.836783

Evaluate.

L=\sin^{-1}(0.836783)\approx 56.8\approx 57^{\circ}

L=sin  

−1

(0.836783)≈56.8≈57  

∘

 

Inverse sine and round.

\text{Quadrant II: } 180-57=123^{\circ}

Quadrant II: 180−57=123  

∘

 

Sine is positive in quadrants 1 and 2.

\text{Check for possibility:}

Check for possibility:

No triangle's angles may add to more than 180.

46+57=103

46+57=103  

∘

←Possible

Less than 180.

46+123=169}

46+123=169  

∘

←Possible

Less than 180.

 

Answer: 57  

 and 123  

5 0
3 years ago
the nth term of a sequence is fine by the expression 5-3n write down the first two terms of this sequence
Len [333]
a_1=5-3\cdot1=5-3=2\\
a_2=5-3\cdot2=5-6=-1\\
5 0
3 years ago
Find the slope of the line.<br><br> O -5<br> O -1<br> O 1<br> O None of the above
Kipish [7]

Answer:

what line? I don't see a picture.

5 0
2 years ago
Determine the distance between -1 and -7.
Andrei [34K]

Answer:

idk really sry

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Pls help and hurry i will report if you answer any unnecessary answers.
sleet_krkn [62]

Answer:

847.8 sq meters

Step-by-step explanation:

Formula:

A= 2πrh + 2πr^2

A= 2(3.14)(9)(6) + 2(3.14)9^2

A= 339.12 + 508.68

A= 847.8

7 0
2 years ago
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