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stepan [7]
3 years ago
10

What two numbers add to get -33 and multiply to get -70

Mathematics
1 answer:
LenKa [72]3 years ago
7 0
-35 and 2, times together to give -70 yet -35+2 is -33
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What's 3n+1? my teacher asked everyone in his class (including me) and he said it's almost impossible (then he started laughing
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Jamie received £26 pocket money last week. He spent it as follows: 10% on sweets, 25% on magazines 15% on games How much did Jam
navik [9.2K]

Answer:

Total money left with Jamie = £13

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Jamie received pocket money = £26

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3 years ago
If the sample size is multiplied by 4, what happens to the standard deviation of the distribution of sample means?
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4 years ago
How do you solve number three?
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8 0
3 years ago
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I’m not sure how to do this
seraphim [82]
\bf \cfrac{\frac{x+4}{3}+\frac{1}{x}}{5+\frac{15}{x}}\qquad \cfrac{\impliedby \frac{LCD}{3x}}{\impliedby \stackrel{LCD}{x}}\implies \cfrac{\quad \frac{x(x+4)+3(1)}{3x}\quad }{\frac{x(5)+(1)15}{x}}\implies \cfrac{\quad \frac{x^2+4x+3}{3x}\quad }{\frac{5x+15}{x}}

\bf \cfrac{x^2+4x+3}{3\underline{x}}\cdot \cfrac{\underline{x}}{5x+15}\implies \cfrac{x^2+4x+3}{3(5x+15)}\implies \cfrac{x^2+4x+3}{15x+45}
\\\\\\
\cfrac{(x+3)(x+1)}{15x+45}\implies \cfrac{\underline{(x+3)}(x+1)}{15\underline{(x+3)}}\implies \cfrac{x+1}{15}
7 0
3 years ago
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