2 years ago

6300 and 530 The value of 3 in ___is _times The value of 3 in

Mathematics

1 answer:

algol132 years ago

3 0

The value of 3 in 6300 is 10 times the value of 3 in 530.

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I believe 25 has to be added as
(x*5)^2 = x^2 + 10x + 25

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What is the factorization of the expression below?

mestny [16]

Answer:

Answer B is correct

$(6x + 5)(6x - 5)$

Step-by-step explanation:

$36 {x}^{2} - 25 \\ {6}^{2} {x}^{2} - {5}^{2} \\ = (6x - 5)(6x + 5)$

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2 years ago

One canned juice drink is 20% orange juice, another is 5% orange juice, how many liters of each should be mixed together in orde

gavmur [86]

Answer:

11 L of 20% juice and 4 L of 5% juice

Step-by-step explanation:

Let

x L = amount of 20% juice

y L = amount of 5% juice

20% juice:

Amount = x L

Amount of juice $=0.2x$ L

5% juice:

Amount = y L

Amount of juice $=0.05y$ L

16% juice:

Amount = 15 L

Amount of juice $=0.16\cdot 15=2.4$ L

We mixed x L of 20% juice with y L of 5% juice to get 15 L of 16% juice, so

$x+y=15$

and

$0.2x+0.05y=2.4$

From the first equation:

$x=15-y$

Substitute it into the second equation:

$0.2(15-y)+0.05y=2.4\\ \\20(15-y)+5y=240\\ \\300-20y+5y=240\\ \\-20y+5y=240-300\\ \\-15y=-60\\ \\15y=60\\ \\y=4\ L\\ \\x=15-4=11\ L$

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2 years ago

A number x divided by two is twelve.

gtnhenbr [62]

24 divide by two is 12
so x is 24

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2 years ago

Read 2 more answers

6300 and 530 The value of 3 in _____is ___times The value of 3 in

6300 and 530 The value of 3 in ___is _times The value of 3 in