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iragen [17]
1 year ago
10

robert slices a large loaf of bread to make 12 sandwiches. he makes 3 turkey sandwiches and 5 veggle sandwiches. the rest are ha

m sandwiches what fraction of the sandwiches robert makes are ham?
Mathematics
1 answer:
sdas [7]1 year ago
7 0

Step-by-step explanation:

first, add 3 and 5 together to get the sandwiches robert already made. so you should get 8.

Now, subtract 12 and 8 to get the ham sandwiches (the rest). you should get 4.

So, 4 ( the ham ) should be fractured by 12 ( all kinds of sandwiches robert already made. now your final answer should be :

4/12

How do you write it:

3 + 5

= 8

= 12 - 8

= 4

= 4/12 #

now, 4/12 is already correct. however, you may have to simplify the equation. so now, your final answer should be:

1/3

(my english is not so good so i hope you can understand my explanation well enough.)

<3

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Use the quadratic formula to solve the equation. If necessary, round to the nearest hundredth.
likoan [24]

Answer:

Thus, the two root of the given quadratic equation x^2+4=6x is 5.24 and 0.76 .

Step-by-step explanation:

Consider, the given Quadratic equation, x^2+4=6x

This can be written as ,  x^2-6x+4=0

We have to solve using quadratic formula,

For a given quadratic equation ax^2+bx+c=0 we can find roots using,

x=\frac{-b\pm\sqrt{b^2-4ac}}{2a}  ...........(1)

Where,  \sqrt{b^2-4ac} is the discriminant.

Here, a = 1 , b = -6 , c = 4

Substitute in (1) , we get,

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

\Rightarrow x=\frac{-(-6)\pm\sqrt{(-6)^2-4\cdot 1 \cdot (4)}}{2 \cdot 1}

\Rightarrow x=\frac{6\pm\sqrt{20}}{2}

\Rightarrow x=\frac{6\pm 2\sqrt{5}}{2}

\Rightarrow x={3\pm \sqrt{5}}

\Rightarrow x_1={3+\sqrt{5}} and \Rightarrow x_2={3-\sqrt{5}}

We know \sqrt{5}=2.23607(approx)

Substitute, we get,

\Rightarrow x_1={3+2.23607}(approx) and \Rightarrow x_2={3-2.23607}(approx)

\Rightarrow x_1={5.23607}(approx) and \Rightarrow x_2=0.76393}(approx)

Thus, the two root of the given quadratic equation x^2+4=6x is 5.24 and 0.76 .

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Answer:

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Step-by-step explanation:

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