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3 years ago

One large submarine sandwich is divided equally among four people. How much of the sandwich did each person get.

Mathematics

1 answer:

sdas [7]3 years ago

3 0

Answer:

1/4 of the sandwich

Step-by-step explanation:

Lets make 1 the whole sandwich. The sandwich is divided among 4 people so it becomes 1/4.

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Find the geometric means in the following sequence. –14, ? , ? , ? , ? , –235,298

timama [110]

The answer should be something like 12, 33, 56, 66, 77

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3 years ago

Rounded to the nearest hundredth, what is the positive solution to the quadratic equation 0 = 2x2 + 3x – 8? Quadratic formula: x

OleMash [197]

ANSWER

$x=1.39$ to the nearest hundredth.

EXPLANATION

We have the equation,

$0=2x^2+3x-8$

Which can be rewritten as

$2x^2+3x-8=0$

The question demands the use of the quadratic formula.

Comparing this to the general quadratic equation;

$ax^2+bx+c=0$

$a=2,b=3,c=-8$

The quadratic formula is given by;

$x=\frac{-b\pm\sqrt{b^2-4ac}}{2a}$

We now substitute all the values in to the formula;

$x=\frac{-3\pm\sqrt{(3)^2-4(2)(-8)}}{2(2)}$

We simplify to obtain;

$x=\frac{-3\pm\sqrt{9+64}}{4}$

$x=\frac{-3\pm\sqrt{73}}{4}$

We now split the plus or minus sign to obtain;

$x=\frac{-3-\sqrt{73}}{4}$

This implies that;

$x=-2.89$

$x=\frac{-3+\sqrt{73}}{4}$

This will evaluate to;

$x=1.39$

Hence, the positive solution rounded to the nearest hundredth is

$x \approx 1.39$

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4 years ago

Read 3 more answers

PLEASE HELP Will mark brainliest

ss7ja [257]

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Hope this helps!!

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