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ss7ja [257]
3 years ago
11

How many Apple are there if Jenny has 17 and Mark has 3

Mathematics
2 answers:
Diano4ka-milaya [45]3 years ago
8 0

Answer:

twenty apples dsghaggegubvtvxdd

Dahasolnce [82]3 years ago
4 0
20 apples. Duh. 17+3=20
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The measure of the angles of a triangle are in the extended ratio 17 : 16 : 12. what is the measure of the largest angle?
murzikaleks [220]
17x + 16x + 12x =180
45x = 180
x = 4
Largest angle = 17*4 = 68 degrees

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3 years ago
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Which two grids can be combined to represent 140%
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C and D

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Answer ASAP. Please give correct answer. (Involves a bunch of circles and trig identities)
iren [92.7K]

Answer:

45.40

Step-by-step explanation:

First of all, the shape of rope is not a parabola but a catenary, and all catenaries are similar, defined by:

y=acoshxa

You just have to figure out where the origin is (see picture). The hight of the lowest point on the rope is 20 and the pole is 50 meters high. So the end point must be a+(50−20) above the x-axis. In other words (d/2,a+30) must be a point on the catenary:

a+30=acoshd2a(1)

The lenght of the catenary is given by the following formula (which can be proved easily):

s=asinhx2a−asinhx1a

where x1,x2 are x-cooridanates of ending points. In our case:

80=2asinhd2a

40=asinhd2a(2)

You have to solve the system of two equations, (1) and (2), with two unknowns (a,d). It's fairly straightforward.

Square (1) and (2) and subtract. You will get:

(a+30)2−402=a2

Calculate a from this equation, replace that value into (1) or (2) to evaluate d.

My calculation:

a=353≈11.67

d=703arccosh257≈45.40

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3 years ago
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What could be concluded if the relative frequency of an event is equal to 1?
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