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Ivahew [28]
3 years ago
14

Help and explain pls and thankyouuu

Mathematics
2 answers:
ozzi3 years ago
8 0

Answer:

3q-2=7

The two will move other side of equal sign from - 2 to +2

3q=7+2

3q=9

/3 in both side

q=3

vichka [17]3 years ago
3 0

Answer:

third one

Step-by-step explanation:

l 3q-2 l = 7

drop absolute value symbols and set up two equations

3q - 2 = 7    or   3q - 2 = -7

3q = 9                3q = -5

q = 3                     q = \frac{-5}{3}

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A new health drink has 130% of the recommended daily allowance (RDA) for a certain vitamin. The RDA for this vitamin is 30 mg. H
dsp73

Answer:

39 mg

Step-by-step explanation:

To get the number of milligrams, all we have to do is to find 130% of the RDA

mathematically, we have this as;

130% of 30

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7 0
3 years ago
The sum of the product of 3 and x and the number 15??​
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Answer:3×x=15

x=15÷3.

X=5

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5 0
2 years ago
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Please help, is it 7.8?
Ivahew [28]

Answer:

yes, it says on the pic, lol

Step-by-step explanation:

4 0
3 years ago
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21. The diagram shows that x is the radius of
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Answer:

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and if x is the diameter of the small circle,then r=x%2F2 and the area of the smaller circle is

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6 0
2 years ago
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Temka [501]
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After two years the number of fish will be:

A_{2}=A(1-0.01x)^{2}

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A_{n}=A(1-0.01x)^{n}

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This means the value of x is 8.3%. So, the number of fish in a lake decreases by 8.3% each year
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2 years ago
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