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Zina [86]
4 years ago
15

Can I get some help on 17),18

Mathematics
1 answer:
natka813 [3]4 years ago
3 0
17) you need to use the distance formula. the answer would be 146 (under a radical) or approximately 12.083

18) i’m pretty sure you’d use the side angle side (SAS) rule.
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PLS HELP ASAPPP plsss
Anna71 [15]

Answer:

27.5

Step-by-step explanation:

this is the trigonometric ratio.. we are looking for d... that is the opposite... any side facing the angel is the opposite.... so the longest side of the right angle triangle is the hypotenuse........ so you are looking for the opposite and you are giving the hypotenuse.... so the easiest way to know how to find it is by using this way...... SOH CAH TOA..... the first words stand for sin cosine and tangent of angles.... we are using sin.... because it says opposite / hypotenuse... and as you can see the angle which is 39 degree we will use sin 39.....what will be sin 39=d/30m....then ull cross multiply.... d=30m* sin 39.....

d = 30m *0.963

d = 28.8

but since 27.5 is dere....

you can round up to 1 sig. f =28

4 0
3 years ago
You bought a magazine for $3 and five notepads. You spent a total of $28. How much did each notepad cost
rosijanka [135]
$5. Subtract the cost of the magazine, $3, from the total cost, $28. Now you have $25 then you divide it by the amount of notebooks you have.
6 0
3 years ago
Cooper opened a savings account and deposited $1,000.00. The account earns 9% interest, compounded continuously. If he wants to
AveGali [126]

Step-by-step explanation:

A = P*e*r*t

P = 1,000

e = 2.71828

r = 0.09

t = 1

A = (1,000)*(2.71828)*(0.09)*(1)

A = 244.65

4 0
4 years ago
Round 1,965 to the nearest tenth
AysviL [449]

Step-by-step explanation:

1965 round to the nearest tenth is 1970

3 0
4 years ago
Read 2 more answers
Solve the system using substitution. Show all work.<br> ( 4х + 5y = 7<br> у = 3х + 9
Lina20 [59]

Answer:

(4x+5y=7

y=3x+9

4x+5(3x+9)=7

4x+15x+45=7

19x=7-45

19x= -38

19×/19=-38/19

x= -2

whlie y=3x+9

y=3(-2)+9

y= -6+9

y=3 end solution

x= -2,y= 3

3 0
3 years ago
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