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NemiM [27]
3 years ago
8

Share £12 in the ratio 1:2

Mathematics
1 answer:
bazaltina [42]3 years ago
4 0

Answer:

£4 and £8.

Step-by-step explanation:

There are 3 parts to the sharing ( 2 + 1 = 3).

So one part is 1/3 of 12.

One part is 1/3 * 12 =  £4

and 2 parts = 2/ * 1/3 * 12 = £8.

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Andreas93 [3]
$32,750 + $375 = 33125
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A. $35,162.50
6 0
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Answer:

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8 0
2 years ago
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A flagpole is located at the edge of a sheer y = 70-ft cliff at the bank of a river of width x = 40 ft. See the figure below. An
Gnom [1K]
I would solve this using tangents.  Let h be height of flagpole.
Set up 2 right triangles, each with a base of 40.
The larger triangle has height of "h+70"
Smaller triangle has height of 70.

Now write the tangent ratios:
tan A = \frac{h+70}{40}  , tan B = \frac{70}{40}

Note: A-B = 9
To solve for h we need to use the "Difference Angle" formula for Tangent
tan (A-B) = \frac{tanA - tanB}{1+tan A  tan B}
Plug in what we know:
tan(9) = \frac{ \frac{h+70}{40} -  \frac{70}{40}}{1+ (\frac{h+70}{40})(\frac{7}{4})}
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h = \frac{650 tan(9)}{4-7 tan(9)}
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7 0
3 years ago
Tickets to a 3D movie cost $13 for an adult and $6 for each child. Let C represent the number of children's tickets and A repres
ch4aika [34]
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