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4 years ago

Kerry needs 2/3 of a tank of petrol to get home she has 5/8 does she have enough petrol to drive home

Mathematics

1 answer:

stealth61 [152]4 years ago

7 0

No she does not 2/3 = 0.6667 5/8 = 0.625 5/8 is less than 2/3

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Solve 2x2 + 3x = −8.

77julia77 [94]

Answer:

Final answer iis choice B) $x=\frac{-3\pm i\sqrt{55}}{4}$

Step-by-step explanation:

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

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

Compare with quadratic equation $ax^2 + bx +c = 0$ , we get:

a=2, b=3, c=8

Now plug these values into quadratic formula:

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

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

$x=\frac{-3\pm \sqrt{-55}}{4}$

$x=\frac{-3\pm i\sqrt{55}}{4}$

Hence final answer iis choice B) $x=\frac{-3\pm i\sqrt{55}}{4}$

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4 years ago

2= 7/9 x 6 + b solve for b

netineya [11]

Answer:

8/3

Step-by-step explanation:

7/9 x 6

14/3

14/3 - 2

8/3

5 0

3 years ago

The lengths of the three sides of a triangle (in inches) are consecutive odd integers. If the perimeter is 63 inches, find the v

monitta

The length of the shortest side of the triangle in discuss is; x = 20 in.

<h3>What is the length of the shortest side of the triangle as given in the task content?</h3>

It follows from the task content that the length of the shortest side can be assumed to be; x in.

Therefore, the perimeter of the triangle is as follows;

Perimeter = x +(x+1) + (x+2)

63 = 3x +3

60 = 3x

x = 20 in.

Read more on perimeter of triangles;

brainly.com/question/24382052

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Answer:

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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3 years ago

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