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vredina [299]
2 years ago
10

2 x ⅖ what is the answer

Mathematics
1 answer:
BartSMP [9]2 years ago
5 0
4/5 is the sum of the answer. :)
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the angle of elevation from the tip of the shadow to the top of the tree is 36 degrees. find the distance from the top of the tr
Bas_tet [7]
In order to fully understand the problem, it is best to sketch it. Sketching the system, we will see that the system forms a triangle where the angle of elevation is 36 degrees. We are asked to find the hypotenuse. We can use a trigonometric function. It should be noted that one of the sides should also be given in order to calculate the hypotenuse. Trigonometric functions that can be used are:

sin(theta) = opposite / hypotenuse
cos(theta) = adjacent / hypotenuse
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3 years ago
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May someone help me out with this please please
torisob [31]
I = PRT/100 I = Simple Interest P = Principal R = Interest Rate per period T = Time ( no. of periods ) Interest = (2500×9.5×3)/100 = 712.50 Answer : $2500 - $712.50 = $1787.50
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3 years ago
I need help please help me.
d1i1m1o1n [39]

Answer:eu noa

Step-by-step explanation:falo inglês

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notka56 [123]

Answer:

68m squared or the first option

Step-by-step explanation:

7 0
3 years ago
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Find the sum of the following series
vazorg [7]

Answer:

a) 820

b)450

c)  -540

d) -294

e) 1440

f) 1425

Step-by-step explanation:

a) it is an arithmetic progression with ratio=4

   a1=3,

     a2=3+r=3+4=7.....

    a20=a1+19r

so a20=3+19*4=3+76=79

S=(a1+an)*n/2 where n=20

so S=(3+79)*20/2=820

b) a15=a1+14*r=2+14*4=2+56=58

S=(a1+a15)*15/2=(2+58)*15/2=60*15/2=30*15=450

It is the same formula for all  the exercises

S=(a1+an)*n/2 ,     where n is the number of terms

c) a40=30+39*(-3)=30-87=-57

So S=(30-57)*40/2=-540

d) a14=5+13*(-4)=5-52=-47

S=(5-47)*14/2=-42*14/2=-42*7=-294

e) it is 5+7+9+......+75

nr of  terms  = (an-a1) :r+1=(75-5):2+1=36

S=(5+75)*36/2=36*40=1440

f) ratio=7-4=3

the  same formula for n= (91-4):3+1=87:3+1=29+1=30

S=(4+91)*30/2=95*30/2=2850/2=1425

8 0
3 years ago
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