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SpyIntel [72]
3 years ago
8

A notebook costs £1.40, a pen costs 37p , a pencil costs 24p and a sharpener costs 77p.

Mathematics
2 answers:
finlep [7]3 years ago
8 0
£9 - 90p = £8.10

2 Pencils = 48p
3 Pens = £1.11
3 Sharpeners = £2.31
All together = £3.90
£8.10 - £3.90 = £4.20

£4.20 / £1.40 = 3

Answer = 3 Notebooks
Yuri [45]3 years ago
7 0

Answer:

Remi bought 3 notebooks

Step-by-step explanation:

Let n = number of notebooks.

2 pencils cost 2 * £0.24 = £0.48

3 pens cost 3 * £0.37 = £1.11

3 sharpeners cost 3 * £0.77 = £2.31

n notebooks cost n * £1.40 = £1.4n

The total cost is £9 - £0.90 = £8.1

0.48 + 1.11 + 2.31 + 1.4n = 8.1

1.4n + 3.9 = 8.1

1.4n = 4.2

n = 3

Answer: Remi bought 3 notebooks.

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telo118 [61]

Answer:

Spencer and Abigail are correct

Lauren is incorrect

Step-by-step explanation:

Spencer and Abigail are correct

Slope = change in y ÷ change in x

Or  m=\dfrac{y_2-y_1}{x_2-x_1}

Let (x_1,y_1) = (3, -1)

Let (x_2,y_2) = (5, 4)

\implies m=\dfrac{4-(-1)}{5-3}=\dfrac52

This is Spencer's method

Let (x_1,y_1) = (5, 4)

Let (x_2,y_2) = (3, -1)

\implies m=\dfrac{-1-4}{3-5}=\dfrac52

This is Abigail's method

It doesn't matter which point you label as point 1 and point 2, as long as you carry out the slope calculation correctly.

Lauren's calculation is wrong as she calculated her slope as:

m=\dfrac{y_2-y_1}{x_1-x_2}

where it should have been m=\dfrac{y_2-y_1}{x_2-x_1}

4 0
2 years ago
Why are we eliminating "Y" first?
hjlf

A

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3 years ago
When 33 is added to a number the result is 13 more than 5 times the number.
RoseWind [281]
X - the number

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The number is 5.
5 0
3 years ago
Read 2 more answers
Jocelyn needs to write a 12-page paper for class. If she has already written 4 pages and can write 2 more pages per day, how man
Nataly_w [17]

Answer:

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Step-by-step explanation:

skip counting

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Jack's mother gave him 50 chocolates to give to his friends at his birthday party. he gave 3 chocolates to each of his friends a
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