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tester [92]
2 years ago
6

Nelly works part-time in a shop to

Mathematics
1 answer:
zaharov [31]2 years ago
3 0

Using proportions, Nelly's total pay for last week was of £220.

<h3>What is a proportion?</h3>

A proportion is a fraction of a total amount, and the measures are related using a rule of three. Due to this, relations between variables, either direct or inverse proportional, can be built to find the desired measures in the problem.

From Monday to Friday, she worked 17 hours, hence:

  • For 15 hours, she was paid £8 per hour.
  • For the last 2 hours, she was paid £10 per hour.

On Saturday, she worked 5 hours, and was paid £16 per hour.

Hence her total payment is found as follows:

15 x 8 + 2 x 10 + 5 x 16 = £220.

More can be learned about proportions at brainly.com/question/24372153

#SPJ1

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n200080 [17]

Answer:

it is 1

Step-by-step explanation:

because the line goes through 1 on the y-axis

8 0
3 years ago
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How are absolute values used to describe quantities ?
Nady [450]

Answer:

Absolute value is a number's distance from 0, so when comparing quantities, such as positive and negative, the greater absolute value is of that number.

For ex:

|-11| > |6| ,  because |-11| = 11, |6| = 6, and 11 > 6.

So, |-11| > |6|

7 0
3 years ago
What is the slope of y-3=-2(x+5)
BigorU [14]

Answer: slope (m) = -2

Step-by-step explanation:

y-3=-2(x+5)

put it into y=mx+b

use PEMDAS-Parantheses, Exponents, Mult. Div. Add. Sub. for your order of operations.

first, parantheses.

-2(x+5)

-2 times x = -2x

-2 times 5 = -10

your new equation is y-3 = -2x-10

now, to get y by itself, cancel out the -3 by adding a positive 3 to both sides.

you final equation will be y=-2x-7

in the form y=mx+b, m is your slope.

therefore, -2 is your answer, or slope.

8 0
2 years ago
I need help with this question please with an explanation <br> ANSWER ASAP!!!!!!
rjkz [21]

The fish is 2.25 ft above the water surface.

Step-by-step explanation:

  • Step 1: Given expression for height of the fish above the water surface,  y = -16x² + 12x where x is time in seconds. Find height after 0.375 seconds

⇒ y = -16(0.375)² + 12 × 0.375

     = -2.25 + 4.5

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4 0
3 years ago
There are some people in a cinema.
Elan Coil [88]

Answer:

Adults = 510

Step-by-step explanation:

Given

Children = \frac{3}{5}

Girls:Boys = 2 : 7

Girls = 170

Required

Determine the number of adults

First, we need to calculate the number of children

Girls:Boys = 2 : 7

Given that: Girls = 170

Substitute 170 for Girls in Girls:Boys = 2 : 7

170 : Boys = 2 : 7

Convert to fraction

\frac{170}{Boys} = \frac{2}{7}

Cross Multiply

Boys * 2 = 170 * 7

Divide both sides by 2

Boys = \frac{170 * 7}{2}

Boys = \frac{1190}{2}

Boys = 595

So, the number of children are:

Children = Boys + Girls

Children = 595 + 170

Children = 765

Next, we calculate the number of people in the cinema.

Children = \frac{3}{5} * People

Substitute 765 for Children

765 = \frac{3}{5} * People

Make People the subject.

People = \frac{765 * 5}{3}

People = \frac{3825}{3}

People = 1275

If 3/5 are children, then 2/5 are adults.

So:

Adults = \frac{2}{5} * 1275

Adults = \frac{2* 1275}{5}

Adults = \frac{2550}{5}

Adults = 510

7 0
3 years ago
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