Whats the answer for this question

Mathematics

2 answers:

Pie3 years ago

8 0

(-2,10)
If it is reflected across the x axis then inly the y axis increases

lakkis [162]3 years ago

8 0

Answer:

(d)

Step-by-step explanation:

This is because it would go one quadrant (-x,y). You would change it accordingly.

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You put the names of all the students in your class in a paper bag. There are 14 boys and 16 girls. If you draw a name at random

djverab [1.8K]

P(boy's name) = 16/30 = 0.53 (the three's continuous) = 53.3%

3 0

3 years ago

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PLEASE HELP :DDDDDDDDDD

Maslowich

Ok start off by finding the base first and the equation of finding the area of the square is A=bh
A=11 x 11= 121 cm^2

Next find the area of one triangle and the equation is A=1/2bh
A=1/2(11)(10)
A=55 cm^2

Multiply the area of one triangle by 4 since there are four triangles and it should equal to 220 cm^2. You then add this to the base and the final answer should be 341 cm^2.

I hope this helps

6 0

3 years ago

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Does anybody know how to do question 2 please show working out

Natalija [7]

2a.
Since BC = 10m and M is the midpoint, we can find CM by : 10÷2 = 5m
So, CM = 5m

2b. Now, you have the base ( 5m) & hypotenuse (13m). Pythagoras' Theorem:

$c {}^{2} = {a}^{2} + {b}^{2}$
Where c is the hypotenuse, a & b are sides.

${13}^{2} = {5}^{2} + b {}^{2} \\ {5}^{2} + {b}^{2} = 13 {}^{2} \\ {b}^{2} = 13 {}^{2} - {5}^{2} \\ b = \sqrt{144} \\ b = 12$
b here refers to the height.

2c.
Area of a right-angled triangle =
$\frac{base \times height}{2}$
So,
$\frac{10 \times 12}{2} \\ = 60 {m}^{2}$

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3 years ago

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A box is supposed to have 150 folders in it. Clare counts only 147 folders in

VikaD [51]

Answer:

it's a 0.02% error.

147/150= 0.98% of the folders are there, making the error 0.02%

Step-by-step explanation:

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3 years ago

The width of a human hair is 2 x 10-5 meters. The width of a piece of sand is 1.5 x 10¹ meters.