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KengaRu [80]
3 years ago
5

I don’t understand this question someone please help

Mathematics
1 answer:
kirill [66]3 years ago
7 0

Answer:

£152.40

Step-by-step explanation:

If he made 80 cakes at a ratio of 3:2:5, then he made:

24 chocolate cakes

16 lemon cake

40 fruit cakes

He sold all of the chocolate: 24x2=48

He sold 3/4 of the lemon: 3/4 of 16=12  12x1.70=20.40

He sold 7/8 of the fruit cakes: 7/8 of 40=35  35x2.4=84

48+20.40+84=152.40

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Maurinko [17]

Answer: 15.85km

Step-by-step explanation:

The car starts at the point (0,0)

Let's define east as the positive x-axis and north as the positive y-axis.

first, the car travels 10km southeast, so the angle is -45° from the east.

Then the new position of the car is:

(10km*cos(-45°), 10km*sin(-45°)) = (7.07km, -7.07km)

Now, from this point the car travels 15km with an angle of 60° (counting from the east)

So the new position is:

(7.07km + 15km*cos(60°), -7.07km + 15km*sin(60°)) = (14.57km  , 5.91km)

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So the magnitude of the vector (14.57km  , 5.91km) is:

√((14.57km)^2 + (5.91km)^2) = 15.85km

4 0
3 years ago
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kolbaska11 [484]

Answer:

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Step-by-step explanation:

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I am happy to assist :)

5 0
3 years ago
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