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Zarrin [17]
3 years ago
6

Four rulers and three pencils cost £2.15

Mathematics
1 answer:
Lubov Fominskaja [6]3 years ago
4 0

Answer:

4r + 3p = 2.15

3r + 4p = 2.05

I have no idea.......

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Find the outputs.. please help
morpeh [17]

Answer:

see below

Step-by-step explanation:

The steps are +2 then *4 then -8 then ÷2

Input  is 5

5 +2 =7 *4 = 28-8 = 20 ÷2 = 10     Output is 10

Input  is 9

9 +2 =11 *4 = 44-8 = 36 ÷2 = 18     Output is 18

Input  is 14

14 +2 =16 *4 = 64-8 = 56 ÷2 = 28     Output is 28

Input  is 18

18 +2 =20 *4 = 80-8 = 72 ÷2 = 36     Output is 36

Input  is 23

23 +2 =25 *4 = 100-8 = 92 ÷2 = 46     Output is 46

Input  is 7.5

7.5 +2 =9.5 *4 = 38-8 = 30 ÷2 = 20     Output is 20

Input  is 11.54

11.54 +2 =13.54 *4 = 54.16-8 = 46.16 ÷2 = 23.08     Output is 23.08

6 0
3 years ago
Read 2 more answers
28+56t+28w to identify the equivalent expressions.<br> Choose 2 answers:
prohojiy [21]

Answer:

28(1 + 2t + w)

Step-by-step explanation:

This polynomial can be factored by factoring out 28.

28 + 56t + 28w = 28(1 + 2t + w)

4 0
2 years ago
Consider the following triangle side lengths and determine if the triangle could exist. Justify your answer. Part A: 21,18,17 Pa
Misha Larkins [42]

Answer:

A yes, B no

Step-by-step explanation:

The triangle inequality states that the sum of any 2 sides of the triangle must be greater than the third side.

A Given 21, 18, 17 , then

21 + 18 = 39 > 17

21 + 17 = 38 > 18

18 + 17 = 35 > 21

Thus the triangle could exist

B Given 3, 12, 8 , then

3 + 12 = 9 > 8

3 + 8 = 11 < 12 ← fails the test

Thus the triangle does not exist

7 0
2 years ago
A car originally worth $32,000 is now worth only $14,000. By how much did the car depreciate?
yuradex [85]

Answer:

18,000 because 32+14=18

3 0
2 years ago
Read 2 more answers
Which number cannot be used to write related number sentences for the following numbers: 5 7 9 4?
JulijaS [17]
Answer: 4

WHY?

Well 3, 7, and 9 are all ODD numbers BUT 4 is a even :3

**Sorry if wrong tried my best**



4 0
3 years ago
Read 2 more answers
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