3 years ago

What is the value of f?

Mathematics

2 answers:

Ahat [919]3 years ago

8 0

Answer:

31 1/3

Step-by-step explanation:

nadezda [96]3 years ago

8 0

The correct answer is A. -31 1/3

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Which quadratic equation has solutions x=8 and x=−1?

andrezito [222]

There are two ways you can do this

$Using the formula$

${x}^{2} - (sum \: of \: roots)x + poduct \: of \: roots = 0$

${x}^{2} - (8+-1)x + - 1 \times 8 = 0$

${x}^{2} - 7x - 8 = 0$

$Working backwards$

$x = 8 \: or \: x = - 1$
$\Rightarrow x-8=0 \: or \: x+1=0$

$\Rightarrow (x-8)(x + 1)=0$
$\Rightarrow {x}^{2} + x -8x - 8 = 0$
$\Rightarrow {x}^{2} - 7x - 8 = 0$

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3 years ago

A gumball machine contains 23 green gumballs, 52 red gumballs, 34 blue gumballs, 61 yellow gumballs, and 30 pink gumballs. What

Veseljchak [2.6K]

52% of 200
52/100=26/50=13/25•200/1= 2600/25=2600 divided by 25 is 104
The answer is 104

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3 years ago

Read 2 more answers

Question is attached below help asap

riadik2000 [5.3K]

Your answer is 19 I think

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