3 years ago

Can someone help me quickly with math hw?

Mathematics

1 answer:

Iteru [2.4K]3 years ago

8 0

I need a question to answer first.

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Which expression is equal to 567.083?

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the answer is D

Step-by-step explanation:

u just have to add them all up

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Read 2 more answers

Help me please!! ill mark brainliest

masya89 [10]

Answer:

Step-by-step explanation:

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3 years ago

(a) Increase the selling price of $42 by 10%

damaskus [11]

Answer:

Step-by-step explanation:

$p\%=\dfrac{p}{100}\\\\10\%=\dfrac{10}{100}=\dfrac{1}{10}=0.1\\\\10\%\ of\ \$42\to0.1\cdot\$42=\$4.2\\\\\$42+\$4.2=\$46.20$

Other method:

$\text{Increase bo}\ 10\%\to100\%+10\%=110\%\\\\110\%=\dfrac{110}{100}=\dfrac{11}{10}=1\dfrac{1}{10}=1.1\\\\110\%\ of\ \$42\to1.1\cdot\$42=\$46.2$

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4 years ago

If s(x)=2-2x^2 and t(x)=3x, which value is equivalent to (s•t)(-7)?

bazaltina [42]

Answer:

Step-by-step explanation:

Answers

-439

(s o t)(x)=s(t(x))

(s o t)(-7)=s(t(-7))

x=-7→t(-7)=3(-7)→t(-7)=-21

(s o t)(-7)=s(t(-7))=s(-21)

x=-21→s(-21)=2-(-21)^2=2-441→s(-21)=-439

(s o t)(-7)=s(t(-7))=s(-21)=-439

Answer: Option A -439

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3 years ago