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Cloud [144]
3 years ago
12

PlS help!!!!!!!!!!!!!!!!!!!!!!!!!!!

Mathematics
1 answer:
Arada [10]3 years ago
7 0

Answer:

What is that?

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Rufus appears before Bill and Ted and offers them a bogus proposition: they must paint a house together with their magical guita
jolli1 [7]

Answer:

6.79

Step-by-step explanation:

-Let X denote the total amount of the job.

-The job has to be done in 5 hrs, therefore the portion done every hour is:

Rate=\frac{Total}{Time}\\\\=\frac{X}{5}\\\\=\frac{1}{5}X=0.2X

Therefore, the rate of Bill and Ted working jointly must equal the rate calculated above:

R_{Bill}=\frac{X}{19}\\\\=\frac{1}{19}X\\\\R_{Bill}+R_{Ted}=R_{required}\\\\\frac{1}{19}X+R_{Ted}=\frac{1}{5}X\\\\R_{Ted}=\frac{1}{5}X-\frac{1}{19}X\\\\=\frac{14}{95}X\\\\\therefore \frac{14}{95}X=1\ hr\\\\X=1\div \frac{14}{95}\\\\=6.7857\approx 6.79hrs

Hence, Bill working alone should complete the house in 6.79 hrs

6 0
3 years ago
Which function is shown in the graph below?
dmitriy555 [2]

Answer:is c

Step-by-step explanation:

6 0
3 years ago
What is the value of x?????
MakcuM [25]
Tan(60)=opp/adj

Tan(60)= x/15

sqrt3= x/15    Cross multiply here

x= sqrt3 x 15 

The answer is A


6 0
3 years ago
I NEED HELP ASAP PLEASEEEE!!!!!
earnstyle [38]

Answer:

Step-by-step explanation:

Use Pythagorean theorem.

Hypotenuse² = base² + altitude²

5)  x²  = 12² + 6²

         = 144 + 36

  x²  = 180

x = √180

x = 13.42 ft

6) 25² = x² + 19²

625 = x² + 361

625 - 361 = x²

x² = 264

x = √264

x = 16.25 m

7)  x² = 7² + 576

        = 49 + 576

        = 625

x = √625

x = 25 in

8)  2.5² = 2²+ x²

6.25 = 4 + x²

6.25 - 4 = x²

x² = 2.25

x = √2.25

x = 1.5 yd

5 0
4 years ago
Mrs.smith has 5 times many markers as colored pencils. The total number of markers and colored pencils is 54. How many markers d
Slav-nsk [51]

Answer:

270 Markers

Step-by-step explanation:

5 x 54 = 270

(sorry if I'm wrong)

6 0
3 years ago
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