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Naya [18.7K]
3 years ago
13

Which number gives you an irrational product when you multiply it by 0.2?

Mathematics
1 answer:
Eddi Din [679]3 years ago
5 0

Answer:

C

Step-by-step explanation:

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Find the equation of a line that is parallel to y = 2x - 10 and passes through the point (3, -2). 
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Parallel, therefore gradient is the same = 2
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y+2=2(x-3)
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4 years ago
Solve to find x <br> log (3x+5) to base 5= 2log (1-3x) to base 25
Eduardwww [97]

Answer:

x = -2/ 3

Step-by-step explanation:

in order to cancel out the logs they should have common bases

\mathsf{ log_{5}(3x + 5) = 2 log_{25}(1 - 3x)  }

we can write 25 as 5²

\mathsf{ \implies  log_{5}(3x + 5) =  2 \: log_{ {5}^{2} }(1 - 3x)  }

we know that the reciprocal of the exponents of the bases are multiplied to the log

\mathsf{ \implies  log_{5}(3x + 5) =   \frac{1}{\cancel{2} } \times \cancel{2} \: log_{ 5}(1 - 3x)  }

and now since the logs have common bases

\mathsf{ \implies  \cancel { log_{5}}(3x + 5) = \cancel{ log_{ 5}}(1 - 3x)  }

we're left with

\mathsf{ \implies 3x + 5 = 1 - 3x}

\mathsf{ \implies 9x = -4}

<u>x = -2/ 3</u>

8 0
3 years ago
Solve the system of equations.
professor190 [17]

Answer:

Hello,

-4 x + 11 y = 15 ⇔ -4 (2 y) + 11 y = 15 ⇔ 3 y = 15 ⇔ y = 5

x = 2 y = 10

Step-by-step explanation:

4 0
3 years ago
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siniylev [52]

Answer:

m = -4

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Step-by-step explanation:

\frac{3}{4}m + 5 = 2

Solve this equation with inverse operations;

\frac{3}{4}m + 5 = 2\\-5\\\\\frac{3}{4}m = -3\\*\frac{4}{3}\\\\m = -4

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3 years ago
Van Gogh’s painting Starry Night measures 92 cm long by 73 cm high. You buy two posters, each showing an enlargement of the pain
Nikitich [7]
The first poster is not an accurate representation of the painting, but the second poster is an accurate representation because the ratio between the first and original lengths did not equal the ratio between the first and original widths but the second poster's ratios were equal.

6 0
3 years ago
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