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Alisiya [41]
3 years ago
10

Triangle P'Q'R is the image of PQR under a transformation

Mathematics
1 answer:
snow_tiger [21]3 years ago
8 0

Answer:

what is your question

Step-by-step explanation:

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At a​ little-known vacation​ spot, taxi fares are a bargain. A 14​-mile taxi ride takes 16 minutes and costs ​$11.20. You want t
ss7ja [257]

Answer:

fvvr

Step-by-step explanation:

vfew

3 0
3 years ago
A carpenter purchased 70ft of redwood and 70ft of pine for a total cost of $282. A second purchase, at the same prices, included
dedylja [7]
I think the answer is $2.01 per 1ft of redwood and pine

282/2
=141

$141/70ft ÷ 70/70
=$20.1 per 1ft
7 0
3 years ago
Marisol is being paid $792 to provide nutrition counseling, It took her 8 hours more than she expected, so
olchik [2.2K]

Answer: 44 hours.

Step-by-step explanation:

Marisol is being paid $792.

We know that the job took her 8 hours more than she expected, so if we define T as the time she expected, this job took her:

T + 8 hours.

The amount of money per hour that she expected is calculated as:

$792/T = X

And for those 8 extra hours, she won $4 less per hour, then we have:

$792/(T + 8hs) = X - $4

Then we have a system of equations:

$792/T = X

$792/(T + 8hs) = X - $4

To solve this, we can notice that in the first equation X is isolated, then we could replace that in the second equation to get:

$792/(T + 8hs) = $792/T - $4

Now we can solve this for T.

$792 = ($792/T - $4)*(T + 8hs)  = $792 + $792*(8hs/T) - $4*T + $32*hs

0 = $792*(8hs/T) - $4*T + $32*hs

Let´s multiply this both sides by T

0*T = ($792*(8hs/T) - $4*T + $32*hs)*T

0 = $792*8hs - $4*T^2 +$32*T*hs

This is a quadratic equation, where i will write this witout units so it is easier to read and follow:

0 = -4*T^2 + 32*T + 792*8

The solutions cab be found by using the Bhaskara´s formula, these are:

T = \frac{-32 +- \sqrt[2]{(32^2 - 4*(-4)*(792*8)} }{2*-4}  = \frac{-32 +-320}{-8}

Then the solutions are:

T = (-32 + 320)/-8 = -36 hours (This is a negative time, and it does not really have a meaning in this problem, so we can discard this option)

The other solution is:

T = (-32 - 320)/-8 = 44 hours.

Then we can conclude that she expected the job would take 44 hours in total.

5 0
2 years ago
WILL GIVE BRAINLIEST!!!!!!
Rashid [163]

f(x)=x^3+4\\\\ y=x^3+4\\ x^3=y-4\\ x=\sqrt[3]{y-4}\\\\ f^{-1}(x)=\sqrt[3]{x-4}

6 0
3 years ago
If 18: x = x: 8, find x.
sweet [91]

Answer:

x=12

Step-by-step explanation:

first we simp. 18:x=x:8 to x^2=18*8. In which case it is x^2=144 x=12

8 0
3 years ago
Read 2 more answers
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