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3 years ago

Find the value of x to the nearest tenth.

Mathematics

2 answers:

ozzi3 years ago

6 0

Answer:

Step-by-step explanation:

Tju [1.3M]3 years ago

4 0

Answer:

around 4.1

Step-by-step explanation:

Using Pythaogrean theorem we get sqrt 32 or 4sqrt2 for the diagonal of the square.

To get x we can use Pythagorean theorem again to set up an equation,

32 + x^2 = 49

This gives us x = sqrt17, which is approximately 4.1231 or around 4.1

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Robert makes 50 litres of green paint by mixing litres of yellow paint and litres of blue paint in the ratio 2:3.

podryga [215]

Answer:

Explanation:

1. Cost of each liter of yellow paint:

Yellow paint is sold in 5 litre tins and ach tin costs £26, thus the cost of one liter is £26 / 5 liters = £5.2 per liter.

2. Cost of each liter of blue paint:

Blue paint is sold in 10 litre tins and each tin costs £48, thus the cost of one liter of blue paint is £48 / 10 liters = £4.8 per liter

3. Cost of each liter of green paint.

Green paint is made by mixing yellow paint and blue paint in the ratio 2:3

Thus, 5 liters of green paint will cost:

2 liters yellow paint: 2 liter × £5.2 / liter = £10.4

3 liters blue paint: 3 liter × £4.8 / liter = £14.4

========== ========

5 liters green paint: 5 liter £24.8

Cost of one liter of gree paint: £24.8 / 5 liter = £4.96 / liter

4. Profit

Price of each liter of green paint: £66.96 / 10 liters = £6.696 / liter = £6.70 / liter

Profit per liter = price per liter - cost per liter = £6.70/liter - £4.96 / liter = £1.74 / liter

Percentage profit = profit per liter / cost per liter × 100

Percentage profit = (£1.74 / liter) / (£4.96/liter) × 100 = 35.08% = 35%

4 0

4 years ago

From given figure write the radiation between m and n.

Ulleksa [173]

Answer:

see explanation

Step-by-step explanation:

m and n are same- side interior angles and sum to 180°

6 0

3 years ago

What is the common denomination for 3/10 and 9/8

4vir4ik [10]

Answer:

Step-by-step explanation:

because if you want to find a common denimeter we have mulitly the deometer to find the answer

sorry if it is wrong

8 0

3 years ago

Item 7

topjm [15]

Answer:8,5 recirpoal is 5,8

Step-by-step explanation:

8 0

3 years ago

You have the following data set: 10, 14, 12, 16, 13, 15, 20, 16, 10, 14. Based on the values in the given data set, which of the

kolbaska11 [484]

Trequency distribution table:

10.....2

14.....2

12.....1

16.....2

13.....1

15.....1

20....1

Answer:

The number 11 is NOT INCLUDED in the frequency distribution

5 0

2 years ago