A certain mapping in the xy-plane has the following properties:

Mathematics

1 answer:

otez555 [7]3 years ago

6 0

B. a reflection

sana po makatulong

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the height of the rectangular box is 4 times its width, and its length is 2 in more than its width. the volume of the box is 60i

alexandr402 [8]

Step-by-step explanation:

height= 4b

length = 2 + b

volume = 60in³

or, l ×b × h = 60in³

or, (2+b) × b × 4b = 60in³

or, 4b²(2+b) = 60in³

or, 8b² + 4b³ = 60

or, 2b² + b³ = 15

or, b³ + 2b² -15= 0

b= 1.95

l= 2+1.95=3.95

h= 4×1.95 = 7.8

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Mars2501 [29]

Answer:

both elements will be negative in rot.180°

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3 years ago

1/a+1/b=c solve for b how would i do this

olganol [36]

a cheap way to go about it is, let's do away with the denominators, and we'll do so by simply multiplying both sides by the the LCD of all fractions, in this case, that'd be "ab", so we multiply both sides by "ab".

$\bf \cfrac{1}{a}+\cfrac{1}{b}=c\implies\stackrel{\textit{multiplying both sides by }\stackrel{LCD}{ab}}{ab\left( \cfrac{1}{a}+\cfrac{1}{b} \right)=ab(c)}\implies b+a=abc \\\\\\ a=abc-b\implies a=\stackrel{\textit{common factor}}{b(ac-1)}\implies \cfrac{a}{ac-1}=b$

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3 years ago

3/13 as a decmal ronded to the nearest hundeth

Illusion [34]

Simple...

you have: $\frac{3}{13}$

Dividing-->>

0.23076923

But, remember, you're rounding to the nearest hundreth...

0.23

Thus, your answer.

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mezya [45]

Answer:

Slope = $\frac{1}{5}$