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GenaCL600 [577]
3 years ago
5

Will give brainliest if you get this right!

Mathematics
2 answers:
SSSSS [86.1K]3 years ago
7 0

The answer is x=6. I double checked the work and am 100% sure thats the answer

Reptile [31]3 years ago
5 0
Sorry but the ambitious one is wrong.

-2x-1+3x=7
3x-2x-1=7
1x=7+1
x=8

U dont have to believe me but it is all true.

x=8
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A student takes ten exams during a semester and receives the following grades: 90, 85, 97, 76, 89, 58, 82, 102, 70, and 67. Find
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Formula: Minimum = first element of set First Quartile = (n+1)/4 Median = (n+1)/2 Third Quartile = 3(n+1)/4 Maximum = Last element of set. Solution:<span> The five number summary of ( 90, 85, 97, 76, 89, 58, 82, 102, 70, and 67) is, Minimum = 58 First Quartile = 70 Median: = 83.5 Third Quartile = 90 Maximum = 102</span>
8 0
3 years ago
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When converted to​ millimeters, the distance meters is expressed as
gavmur [86]

Answer:

meters must be converted into millimeters.

Step-by-step explanation:

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3 years ago
A farmer wants to spray 3 gallons of pesticide equally on 10 farm plots. how many gallons of pesticide should he use for each pl
photoshop1234 [79]
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7 0
3 years ago
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
A. 3/22 <br> B. 3/7<br> C. 8/15<br> D. 8/11
lorasvet [3.4K]
P(Q|R) = P(Q&R)/P(R)
= (3/37)/(7/37)
= 3/7

The appropriate choice is ...
  B. 3/7
6 0
3 years ago
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