3 years ago

Use this data for question #14. The results for a survey of 120 students who were selected randomly are listed below:

Mathematics

1 answer:

forsale [732]3 years ago

8 0

A i think it makes the most sense

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ladessa [460]

The answer is B. (hope that helps)

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

andrezito [222]

There are two ways you can do this

$Using the formula$

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

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

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

$Working backwards$

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

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

Anthony bought 3.4 pounds of Halloween candy that cost $6.95 a pound. How much money did he spend on candy?

ratelena [41]

Answer:

23.63

Step-by-step explanation:

3.4 x 6.95

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How do I do this 7:13 21:39

GarryVolchara [31]

That is a ratio. 7 x 3 = 21 and 13 x 3 = 39.

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4 years ago

You will spin each spinner once. What is the probability<br> that both spinners will land on yellow?

rodikova [14]

Answer:

spiner number 1

Step-by-step explanation:

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