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Usimov [2.4K]
2 years ago
11

Not sure which one is itplz help

Mathematics
1 answer:
viva [34]2 years ago
7 0
The last one is correct answer
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The function, y(r)=2.76r , is used to convert Russian rubles in Japanese yen, and the function, P(y)=0.16y , is used to convert
timurjin [86]

They probably want 880 pesos, since they asked you do intermediate rounding

but a more accurate answer would be
883.20 pesos

To combine the functions, you'd substitute in 2.76r for y in 0.16y. This would give you 0.16(2.76r), which simplifies to 0.4416r, but they want you round this to the nearest hundredth, so its really 0.44r.  Substitute in the 2000 for r and you get 0.44 * 2000 which is 880 pesos

5 0
3 years ago
Help me on this question please
Anika [276]

Answer:

48

Step-by-step explanation:

The formula for finding the area of a rectangle is: l * w = a

So 12*4 = 48.

3 0
3 years ago
2/7 times 5 and 1/2 simplified
rjkz [21]

Answer:

1.928

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Tara is saving for an overseas trip. Her taxable income is usually about $20000. She estimates that she will need $5000 for the
wolverine [178]

An income is taxable is such income falls into a category where a proportion of the income is removed, as tax. To have an extra $5000 after tax, Tara must save $6173.

Given that:

Earnings = \$20000 --- normal earnings

Amount = \$5000 ---- the amount needed

From the complete question, the tax rate for earnings between $18201 and $37000 is 19%.

Let the additional amount be x.

So, the equation that calculates the amount needed (after tax) is:

x(1 - 19\%) = 5000

Express as decimal

x(1 - 0.19) = 5000

x(0.81) = 5000

Make x the subject

x = \frac{5000}{0.81}

x = \$6173

Hence, she needs to make an extra of $6173 to save $5000

Read more about taxable income at:

brainly.com/question/17347618

4 0
2 years ago
Point B has coordinates (4,2). The x-coordinate of point A is - 1. The distance between point A and
Digiron [165]

Answer:

A (-1,-10) ; A (-1,14)

Step-by-step explanation:

\sqrt{(-1-4)^2 + (y-2)^2} = 13 \\ 25 + y^2 + 4 -4y = 169

y^2 -4y - 140 = 0

Δ/4 = 4 + 140 = 144

y1 = 2 + 12 = 14

y2 = 2 -12= -10

4 0
2 years ago
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