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3 years ago

In 2009, Usain Bolt set the world record for sprinting 100m in approximately

Mathematics

2 answers:

storchak [24]3 years ago

8 0

To get the answer you divide 100 by 9 3/5.

This would get you 500/48 but simplified would be:

10 5/12.

marin [14]3 years ago

7 0

the answer is 10 5/12

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Which figure has the same area as the parallelogram shown below? A. A triangle with a base of 4 mm and a height of 20 mm B. A tr

Arisa [49]

<h2>Answer: A trapezoid with bases of 6 mm and 14 mm and a height of 8 mm </h2>

The parallelogram in the figure has an area of $80mm^{2}$ , according to the following formula, which works for all rectangles and parallelograms:

$A_{parallelogram}=(b)(h)$ (1)

Where $b$ is the base and $h$ is the height

The<u> area of a triangle</u> is given by the following formula:

$A_{triangle}=\frac{1}{2}(b)(h)$ (2)

So, for option A:

$A_{triangle}=\frac{1}{2}(4mm)(20mm)=40mm^{2} \neq 80mm^{2}$

Now, the <u>area of a trapezoid </u>is:

$A_{trapezoid}=\frac{1}{2}(b_{1}+ b_{2})(h)$ (3)

For option B:

$A_{trapezoid}=\frac{1}{2}(15mm+25mm)(2 mm)=40mm^{2} \neq 80mm^{2}$

For option C:

$A_{trapezoid}=\frac{1}{2}(6mm+14mm)(8 mm)=80mm^{2}$ >>>>This is the correct option!

For option D:

$A_{rectangle}=(30mm)(8mm)=240mm^{2} \neq 80mm^{2}$

<h2>Therefore the correct option is C</h2>

5 0

3 years ago

Mary has 6 shells. Her friend Tina has 3 times more than Mary. How many shells do the girls have together?

Mamont248 [21]

18 shells because since Mary has 6 and Tina has 3 shells all you have to do is multiply 6 and 3 to get 18

8 0

2 years ago

Read 2 more answers

PLEASE HELP!!!!!

Ad libitum [116K]

X+5=3 is the answer.

8 0

3 years ago

Simplify each using positive exponents only: questions on image

Juliette [100K]

Answer:

16) 8/X

19) 16x^8

22)81x^8

5 0

3 years ago

The output is 11 more than the input<br> A: y=x+11<br> B: y=11x<br> C: y=x/11<br> D: x=y=11

Alchen [17]

The answer would be A

5 0

3 years ago