4 years ago

F (x + 3)2 = 42, what is the approximate positive value of x?

Mathematics

1 answer:

DaniilM [7]4 years ago

4 0

Answer:

3.48

Step-by-step explanation:

I took the test.

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Factor the expression 20x^2+22x-12

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Answer:

2(5x-2) (2x+3)

Step-by-step explanation: You could take a two out of the equation and then factor.

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3 years ago

The sum of the roots of 2x squared + 8x -3=0 is?

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$\displaystyle x_1+x_2=- \frac{b}{a}$

In our case:

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3 years ago

Whats the area for this figure?

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Answer:

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3 years ago

12+16(5×10)÷20-2=<br><br>What is the answer ?

mrs_skeptik [129]

$\implies {\blue {\boxed {\boxed {\purple {\sf {50}}}}}}$

$\large\mathfrak{{\pmb{\underline{\red{Step-by-step\:explanation}}{\red{:}}}}}$

$12 + 16(5 \times 10) \div 20 - 2$

$= 12 + 16(50) \div 20 - 2$

$= 12 + \frac{800}{20} - 2$

$= 12 + 40 - 2$

$= 52 - 2$

$= 50$

$\sf\purple{PEMDAS\: rule.}$

P = Parentheses

E = Exponents

M = Multiplication

D = Division

A = Addition

S = Subtraction

$\bold{ \green{ \star{ \orange{Hope\:it\:helps.}}}}⋆$

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