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2 years ago

NEED HELP THIS IS TIMED WILL MARK BRAINIEST!!!

Mathematics

1 answer:

Anastasy [175]2 years ago

6 0

Answer:

It’s A hope this is right good luck

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A river flows at the rate of 20 feet per minute What is the rate in seconds per foot?

masya89 [10]

The answer is 3. I hope this help!

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2 years ago

Select all ratios equivalent to 2:1 18:9 4:2 22:11

astra-53 [7]

Answer:

2:1 is 2

18:9 is 2

4:2 is 2

22:11 is 2

All of them

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2 years ago

Read 2 more answers

Jordan invests £16200 into his bank account

atroni [7]

Answer:

18225

Use the formula: .

A = final amount

P = initial amount invested

r = annual interest rate

t = time (in years)

Insert all values in appropriate places.

Simplify.

A=16200(1+(0.025)(6))

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2 years ago

The price of 10 citrons and 7 fragrant wood apples is 55 units. The price of 7 citrons and 10 fragrant wood apples is 64 units.

a_sh-v [17]

Price of one citron = 5 units

Price of one fragrant = 5/7 units = 0.71 units

Further explanation:

Let x be the price of one citron and

y be the price of one fragrant

Then according to given statement

10x+7y = 55 Eqn 1

7x+10y = 64 Eqn 2

Multiplying equation 1 by 7

$7(10x+7y) = 7(55)\\70x+49y=385$

This will be equation 3.

Multiplying equation 2 by 10

$10(7x+10y) = 10(64)\\70x+100y=640$

This will be equation 4.

Subtracting equation 3 from equation 4

$70x+100y - (70x+49y) = 640-385\\70x+100y-70y-49y = 255\\51y = 255\\\frac{51x}{51} = \frac{255}{51}\\x = 5\\Putting\ x=5\ in\ equation\ 1\\10(5)+7y = 55\\50+7y = 55\\7y = 55-50\\7y = 5\\\frac{7y}{7} =\frac{5}{7}$

So,

Price of one citron = 5 units

Price of one fragrant = 5/7 units = 0.71 units

Keywords: Linear Equations, Solving system of linear equations

Learn more about linear equations at:

#LearnwithBrainly

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2 years ago

the 2nd to 6th digits of the number 'b'. The number 'a': a.=.8381277236048455262835343009097967569917320013149981038679556930339

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Hhhhhhhhhmmmmmmmmmmmm

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2 years ago