3 years ago

Can y'all help me with all of them plz

Mathematics

1 answer:

Elena-2011 [213]3 years ago

6 0

10. 150
11. 1250
12. 105
13. 158000
15. B

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110

Step-by-step explanation:

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3 years ago

If m(x)=2x and n(x)=x-4 find the general rule for m(n(x))

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3 years ago

WILL GIVE BRAINLIEST. ARE THOSE EQUATIONS THE SAME

vaieri [72.5K]

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Step-by-step explanation:

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3 years ago

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5 points<br> Write the polynomial 5x + 2x3 + 8x2<br> 7 in standard form.

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Find the GCF, then factor it out. Finally, simplify each term in the parentheses.

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3 years ago

O log2 3x + log2 3=2

ipn [44]

Answer:

$\large\boxed{x=\dfrac{4}{9}}$

Step-by-step explanation:

$\log_23x+\log_23=2\\\\\bold{DOMAIN}:\\3x>0\to x>0\\\\\text{Use}\ \log_ab+\log_ac=\log_a(bc)\\\\\log_2\bigg[(3x)(3)\bigg]=2\\\\\log_29x=2\qquad\text{use}\ \log_ab=c\iff a^c=b\\\\\log_29x=\log_22^2\\\\\log_29x=\log_24\iff9x=4\qquad\text{divide both sides by 9}\\\\\dfrac{9x}{9}=\dfrac{4}{9}\\\\\boxed{x=\dfrac{4}{9}}\in \bold{DOMAIN}$

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3 years ago