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DaniilM [7]
3 years ago
14

Bethany lives in London.

Mathematics
1 answer:
Marrrta [24]3 years ago
7 0

Bethany says, Using these exchange rates, £1 is worth 1.17 euros.

<u>Step-by-step explanation</u>

1 euro = 1.07 dollars

£1 = 1.25 dollars

Now ,

⇒ £1 = 1.25 dollars

⇒ £1 = 1.25dollars(\frac{1.07}{1.07})

⇒ £1 = (1.07dollars)(\frac{1.25}{1.07})

⇒ £1 = (1euro)(\frac{1.25}{1.07})

⇒ £1 = (1euro)(1.17)

⇒ £1 =1.17 euros

Therefore , Bethany says, Using these exchange rates, £1 is worth 1.17 euros.

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Zina [86]
If you would like to know what is the cost to insure a car valued at 15400, you can calculate this using the following steps:

$8 ... $1000
$x = ? ... $15400

8 * 15400 = 1000 * x    /1000
x = 8 * 15400 / 1000
x = $123.2

The correct result would be $123.2.
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The dolphins at the Logan Aquarium are fed 3 7/8 buckets of fish each day. The sea otters are fed 2 9/10 times as much fish as t
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Answer:

Step-by-step explanation:

If the dolphins are fed half a bucket of fish then half of that would be a quarter, therefore the sea otters are fed 1/4 of a bucket.

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3 years ago
Find the area of the region bounded by the line y=3x-6 and line y=-2x+8.
Vikentia [17]

Answer:

A = 12/5 units

Step-by-step explanation:

USING ALGEBRA:

We can find the intersection point between these two lines;

y = 3x - 6

y = -2x + 8

Set these two equations equal to each other.

3x - 6 = -2x + 8

Add 2x to both sides of the equation.

5x - 6 = 8

Add 6 to both sides of the equation.

5x = 14

Divide both sides of the equation by 5.

x = 14/5  

Find the y-value where these points intersect by plugging this x-value back into either equation.

y = 3(14/5) - 6

Multiply and simplify.

y = 42/5 - 6

Multiply 6 by (5/5) to get common denominators.

y = 42/5 - 30/5  

Subtract and simplify.

y = 12/5

These two lines intersect at the point 12/5. This is the height of the triangle formed by these two lines and the x-axis.

Now let's find the roots of these equations (where they touch the x-axis) so we can determine the base of the triangle.

Set both equations equal to 0.

(I) 0 = 3x - 6  

Add 6 both sides of the equation.

6 = 3x

Divide both sides of the equation by 3.

x = 2  

Set the second equation equal to 0.

(II) 0 = -2x + 8

Add 2x to both sides of the equation.

2x = 8

Divide both sides of the equation by 2.

x = 4

The base of the triangle is from (2,0) to (4,0), making it a length of 2 units.

The height of the triangle is 12/5 units.

Formula for the Area of a Triangle:

A = 1/2bh

Substitute 2 for b and 14/5 for h.

A = (1/2) · (2) · (12/5)

Multiply and simplify.

A = 12/5

The area of the region bounded by the lines y = 3x - 6 and y = -2x + 8 between the x-axis is 12/5 units.

3 0
2 years ago
Y=4mx-7b solve for x
muminat
Your answer is x = 7b/4m + y/4m
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3 years ago
Two is eight less than twice a number. What is the number?
Mekhanik [1.2K]

Answer:

x = 5

Step-by-step explanation:

First, break it down:

Two is eight less than twice a number

2 = 2x - 8

+8       + 8

10 = 2x

5 = x

Hope this helps :)

3 0
3 years ago
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