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3 years ago

Point C was rotated 270 degrees clockwise around the origin. If C’ ended up at (-5, 2), determine the pre-image C.

Mathematics

1 answer:

victus00 [196]3 years ago

7 0

Answer:

2,-5

Step-by-step explanation:

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What is the solution set for 4x+9 <17?<br> Is B right? Or A?

kari74 [83]

Answer:

$x$

Step-by-step explanation:

$\mathrm{Subtract\:}9\mathrm{\:from\:both\:sides}$

$4x+9-9$

$\mathrm{Simplify}$

$4x$

$\mathrm{Divide\:both\:sides\:by\:}4$

$=x$

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3 years ago

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In 1955 an antique car that originally cost 3,943 is valued at 64,125 if in excellent condition, winch is 2 1/4 times as much as

nika2105 [10]

Answer:

The value of the car in very nice condition is $28,500.

Step-by-step explanation:

Consider the provided information.

In 1955 an antique car that originally cost 3,943 is valued at 64,125 if in excellent condition, winch is 2 1/4 times as much as a car in very nice condition.

The mixed fraction can be written as:

$2 \frac{1}{4}=\frac{9}{4}$

Let x is the value of car in very nice condition.

$64,125 =\frac{9}{4}x$

$x=\frac{64,125\times 4}{9}$

$x=28,500$

Hence, the value of the car in very nice condition is $28,500.

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3 years ago

Brad wants to buy flowers for his friend

kap26 [50]

The roses were 20 dollars :) have a good day.

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3 years ago

Log5(x-1)+log5(x+3)-1=0

jonny [76]

Answer:

there are no real solutions

Step-by-step explanation:

$\log_5(x-1)+\log_5(x+3)-1=0\\\\\log_5(x-1)+\log_5(x+3)=1$

there is a rule that says

$\log_b(a)+\log_b(c)=\log_b(ac)$

so we have

$\log_5(x-1)+\log_5(x+3)=\log_5((x-1)(x+3))=1$

and we have the definition

$\log_a(b)=c\\\\a^{c} =b$

so we have

$5^{1} = (x-1)(x+3)\\\\5=x^{2} -1x+3x-3\\\\5=x^{2} +2x-3\\\\0=x^{2} +2x-3-5\\\\0=x^{2} +2x-8\\\\$

and using the quadratic formula we get that

there are no real solutions

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4 years ago

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Which two conversion factors would be used to convert the quantity of 4500 seconds into hours.

Tju [1.3M]

Answer: (1 min / 60 s) (1 hr / 60 min)

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3 years ago