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2 years ago

4. A yellow cab Taxi charges $5.00 flat rate in addition of $0.65 per mile. Jan has no more than $20 to spend on a ride.

Mathematics

1 answer:

gogolik [260]2 years ago

6 0

Answer:

$5+0.65x\le 20$

Step-by-step explanation:

Let x be the number of miles Jan can drive in a taxi.

The cost of this ride consists of

$5.00 flat rate
$.065 per mile

So, per x miles Jan will pay $0.65x and the total cost of the ride will be

$5.00+$0.65x

Jan has no more than $20 to spend on a ride, then the total cost of his ride must be less or equal to $20. Mathematically, you can write this as

$5+0.65x\le 20$

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larisa86 [58]

Answer:

Part a) The paint needed will be $24\ pints$

Part b) The weight of the life sized statue is $896\ lb$

Step-by-step explanation:

step 1

we know that

If two figures are similar, then the ratio of its surface areas is equal to the scale factor squared

Let

z----> the scale factor

x----> surface area of the life sized statue

y----> surface area of the smaller statue

$z^{2}=\frac{x}{y}$

we have

$z=4$

substitute

$4^{2}=\frac{x}{y}$

$x=16y$

The surface area of the life sized statue is 16 times the surface area of the smaller statue

therefore

The paint needed will be

$16(1.5)=24\ pints$

step 2

Find the weight of the life sized statue

we know that

If two figures are similar, then the ratio of its weights (or volumes) is equal to the scale factor elevated to the cube

Let

z----> the scale factor

x----> weight of the life sized statue

y----> weight of the smaller statue

$z^{3}=\frac{x}{y}$

we have

$z=4$

$y=14\ lb$

substitute

$4^{3}=\frac{x}{14}$

$x=64(14)=896\ lb$

6 0

2 years ago

Given the equation below, if x = 4, what is the value of y? y=14x

Lina20 [59]

Answer:

the answer would be 56.

y=14(4)

y=56

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2 years ago

I run a business. It costs £54,000 a year. Most of the money goes on paying wages. The ratio of wages to other costs is 2 : 1. H

Sholpan [36]

Answer:

2 × 54,000 ÷ (1+2)

£36,000

Step-by-step explanation:

Total cost of the business = £54,000

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How much do I spend on wages every year?

Amount spent on wages yearly = ratio of wages / total ratio × Total cost of the business

= 2 × 54,000 ÷ (1+2)

= 2/3 × £54,000

= £108,000/3

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Amount spent on wages yearly = £36,000

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