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3 years ago

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Mathematics

1 answer:

Licemer1 [7]3 years ago

4 0

$\huge \color{red}{ ꧁\mathrm{Answer}}꧂$

The answer is 2112

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Answer:

$408.25

Step-by-step explanation:

9.50 times 40=380

9.50 times 1.5= 14.25

14.25 times 2=28.50

380+28.50=

$408.25

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3 years ago

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Answer:

Follows are the solution to this question:

Step-by-step explanation:

Please find the attached file for the complete solution.

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3 years ago

What is the area of a triangle with vertices (3,0) (9,0) (7,6)

Nezavi [6.7K]

Answer:

The area of the triangle is of 21 units of area.

Step-by-step explanation:

The area of a triangle with three vertices $(x_1,y_1),(x_2,y_2),(x_3,y_3)$ is given by the determinant of the following matrix:

$A = \pm 0.5 \left|\begin{array}{ccc}x_1&y_1&1\\x_2&y_2&1\\1_3&y_3&1\end{array}\right|$

In this question:

Vertices (3,0) (9,0) (7,6). So

$A = \pm 0.5 \left|\begin{array}{ccc}3&0&1\\9&0&1\\7&7&1\end{array}\right|$

$A = \pm 0.5(3*0*1+0*1*7+1*9*7-0*7*1-0*9*1-3*1*7)$

$A = \pm 0.5*(63-21)$

$A = \pm 0.5*42 = 21$

The area of the triangle is of 21 units of area.

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3 years ago

In order to make a teaspoon of honey, a honeybee must make 154 trips. If a honeybee made 924 trips, how many teaspoons of honey

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Six teaspoons. Hope I helped!
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4 years ago

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Which integer is closest to 0 on the number line?

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So, on a number line, 1 is just at the right side of 0, all the other options are at least one more place away from 0.

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3 years ago

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