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BabaBlast [244]
3 years ago
9

What’s 7^2+15\7^2 ?

Mathematics
1 answer:
Elis [28]3 years ago
4 0
Decimal: )49.306122)
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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:

  • 35%

Explanation:

<u>1. Cost of each liter of yellow paint:</u>

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.

<u>2. Cost of each liter of blue paint:</u>

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

<u>3. Cost of each liter of green paint.</u>

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

<u>4. Profit</u>

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
3 years ago
In ∆ PQR, ∠P = 75°, ∠Q = 60° then ∠R =​
densk [106]

Step-by-step explanation:

<R = 180-<P-<Q

<R= 180-60-75

<R = 45°.

hope this helps you

6 0
2 years ago
I need the answer ASAP please
BartSMP [9]

Answer:

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░░░▌░▄▄▄▐▌▀▀▀░░ This is Bob

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▀█▌░░░▄░▀█▀░▀ ░░ Copy And Paste Him onto all of ur brainly answers

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░░░░░░█░░░░░░░░█

Step-by-step explanation:

4 0
3 years ago
HURRY 5th grade math. correct answer will be marked brainliest
Jobisdone [24]

Step-by-step explanation:

ig this is 29 .............

8 0
2 years ago
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Anyone know how to do the elimination method? pls help asap
givi [52]
Hey there!

Check out image!


Answer is (-7,5)

6 0
2 years ago
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