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ch4aika [34]
3 years ago
15

What equation has the solution x= 5+2 square root of 7 divided 3

Mathematics
1 answer:
Paraphin [41]3 years ago
7 0
Put it in the calculator and the answer is 3.4305
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Olivia is planning to study for 8 hours. she has to spend studying English twice the time she needs for science and the time she
vaieri [72.5K]

Answer:

science = \frac{4}{3} \ hours

English = \frac{8}{3} \ hours

Math = 4 hours

Step-by-step explanation:

let the number of hours spend on science = x

Hence the number of hours on English will be = 2x

Given that the number of hours spend on science is one third of the time spend on maths. Hence the time spend on math is 3 times that of the time spend on science. That the time spend on maths is = 3x

Hence the total time to study is

x+2x+3x

which is given as 8 hours

Hence

x+2x+3x =8

6x=8

dividing both sides by 6

\frac{6x}{6}=\frac{8}{6}

x=\frac{8}{6}

x=\frac{4}{3}

Hence the number of hours foe studying science = \frac{4}{3}

Number of hours to study English = \frac{4}{3} \times 2=\frac{8}{3}

Number of hours to study Math= \frac{4}{3} \times 3=4

5 0
4 years ago
a plane with a heading of 130° from north and an air speed of 100 km/hr, encounters a wind of 25 km/hr from the west. find the g
denpristay [2]
My vector calculator* tells me
  100∠130° +25∠90° = 122.2∠122.3°

The plane's ground speed is 122.2 km/h and its course is 122.3° from north.

___
* Graphing Calculator + Math app for Android by Mathlab Apps, LLC
5 0
3 years ago
A mapping diagram shows a relation, using arrows, between input and output for the following ordered pairs: (negative 3, negativ
UkoKoshka [18]

Answer:

B) (-2,-1)

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
The population of weights for men attending a local health club is normally distributed with a mean of 172-lbs and a standard de
iren2701 [21]

Answer:

The average weight beyond which the elevator would be considered overloaded is 183 lbs.

Step-by-step explanation:

Weight in excess of 6222 lbs means that the elevator is overload.

With 34 men:

Average weight greater than:

6222/34 = 183 lbs

The average weight beyond which the elevator would be considered overloaded is 183 lbs.

5 0
3 years ago
Pls help!!!!Shawn used 15 centimeters of tape to wrap 5 presents . How much tape will Shawn need I all if he has to wrap 13 pres
Ilia_Sergeevich [38]

Answer:39

Step-by-step explanation:

15÷5=3

3×13=39

3 0
4 years ago
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