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Lynna [10]
3 years ago
15

after moving a couch the coordinates of its corners are [2,5],[5,5],[5,-3] and(2, -3). If the couch was reflected over the x- ax

is what were the original Cordinatesof the couch
Mathematics
1 answer:
IRISSAK [1]3 years ago
6 0
Try drawing a picture! To reflect something over the x-axis just change the sign of the y coordinates.
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Simplify the expression with using scientific notation (4 times 10 8)2
kifflom [539]

The scientific notation:

a\cdot10^n\\\\1\leq a < 10;\ n\in\mathbb{Z}

(4\cdot10^8)^2=4^2(10^8)^2=16\cdot10^{8\cdot2}=16\cdot10^{16}\\\\=1.6\cdot10\cdot10^{16}=1.6\cdot10^{17}

Used:

(a\cdot b)^n=a^n\cdot b^n\\\\(a^n)^m=a^{n\cdot m}\\\\a^n\cdot a=a^{n+1}

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8 0
3 years ago
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dem82 [27]

Answer:

Step-by-step explanation:

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If two triangles are congruent by SAS, and the angle is 90, then by CPCT{corresponding part of congruent triangle)  the hypotenuse of the two triangles will be congruent.

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4 0
2 years ago
What is 532.60 × 8.53 with work included?
zalisa [80]

        532.60

        x   8.53

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6 0
3 years ago
There are 80 cookies in a box. Tom eats cookies at a rate of 5 per minute. At the same time, Andy also eats cookies at a differe
insens350 [35]

In 10 minutes, Tom eats (5 cookies/minute)×(10 minutes) = 50 cookies.

Andy must eat the remaining cookies:

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_____

The answer to the question asked is

Andy must eat 30 cookies.

The answer to the question not asked is

Andy eats those cookies at the rate

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5 0
3 years ago
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maria [59]
Do you want me to write it for you in standard form?
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3 years ago
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