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3 years ago

A different children's party cost £225.50 How many children were at the party?

1 answer:

8 0

Hi, I think you forgot to write a part of the problem, could you write the rest in the comments please. I would be happy to help you

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What is volume and how is it measured?

USPshnik [31]

Volume is the amount of space that a substance or object occupies, or that is enclosed within a container. It is measured in Volumetric units.

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3 years ago

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Petrolyn motor oil is a combination of natural oil and synthetic oil. It contains 5 liters of natural oil for every 8 liters of

Sloan [31]

9514 1404 393

Answer:

340

Step-by-step explanation:

The ratio of natural to synthetic is give as ...

5 : 8

Then the ratio of natural to total would be ...

5 : (5+8) = 5 : 13

The amount of natural oil in 884 total liters of oil will be ...

(5/13)(884 L) = 340 L

884 liters of Petrolyn oil will contain 340 liters of natural oil.

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2 years ago

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A city has a population of 250,000 people. Suppose that each year the population grows by 7.5%. What will the population be afte

Diano4ka-milaya [45]

So, if it grows by 6.75%, each year the population is 106.75% of the year before.

After 1 year, 370,000(1.0675). After two years, 370,000(1.0675)(1.0675).

370,000(1.0675)12 = your answer

4 0

2 years ago

Part

goldfiish [28.3K]

When a shape is rotated, it must be rotated around a point.

To determine the location of the new triangle, Sonja must subtract (5,-1) from the coordinates of the original triangle, before rotating by $90^o$ .

From the question, we have:

$C = (5,-1)$ --- the center of rotation

Let the vertices of the triangle be (x,y).

First, she must subtract the coordinates of the center of rotation from the vertices of the triangle.

This gives:

$(x,y) \to (x - 5, y + 1)$

Then the vertices are rotated by $90^o$

The rule of $90^o$ rotation is:

$(x,y) \to (-y,x)$

So, we have:

$(x - 5,y + 1) \to (-y - 1,x - 5)$

From the attachment, the coordinates of the triangle are: (0,2), (0,5) and (4,2)

After rotation, the coordinates are calculated as follows:

$(0,2) \to (-2-1,0-5) \to (-3,-5)$

$(0,5) \to (-5-1,0-5) \to (-6,-5)$

$(4,2) \to (-2-1,4-5) \to (-3,-1)$

Hence, the coordinates are: (-3,-5), (-6,-5) and (-3,-1)

A different children's party cost £225.50 How many children were at the party?​

A different children's party cost £225.50 How many children were at the party?