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viktelen [127]
4 years ago
8

A student completed 1/4 of a work book in 3/5 hour. He plabs to work for 1 more hour at the same rate. What fraction of thebwork

book should he expect to complete in 1 hour
Mathematics
1 answer:
kifflom [539]4 years ago
5 0

Answer

workbook =x

1/4   3/5

x    5/5 (1 hour)

then x=(5/5 * 1/4):3/5

x= 5/20 * 5/3  

x=1/4 *5/3

x= 5/12

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Please help I don't know
GaryK [48]

Answer:

your answer is correct

Step-by-step explanation:

-5 x -4=20

20+3=23

8 0
3 years ago
Find the approximate solution of this system of equations. y = |x^2 − 3x + 1|
Aneli [31]
*Hint: When you have two y's, they could equal each other in order to solve for the x value.

|x^2 -3x + 1| = - (x - 1)
x^2 -3x + 1 = -x + 1
x^2 - 2x + 1 = 1
x^2 - 2x = 0
x (x - 2)
x = 2 and x = 0

Once both of them are plugged in, only x = 2 works so that's the value for x. Now we just plug it in order to solve for y.

y = x - 1
y = 2 - 1
y = 1

(2, 1)
The answer would be C.
5 0
3 years ago
A newspaper surveyed households to determine how likely they were to subscribe to their publication. The results are shown below
Taya2010 [7]

Complete Question

The complete question is shown on the first uploaded image

Answer:

The correct option is  C

Step-by-step explanation:

The  sample  

                                                                                          Household Income

                                                                                     < $60,000    > $60,000

I would never purchase a newspaper subscription.          40                63

I might or might not purchase a newspaper subscription. 53                70

I would probably purchase a newspaper subscription.     65                 32

I already purchase a newspaper subscription.                   73                 16

Generally the sample size is mathematically represented as

       n =  40 + 53 + 65+ 73 + 63 + 70 + 32+ 16

=>    n =  412

Generally the number of the sample with an income greater $60,000 is mathematically represented as

        N  =  63 + 70 + 32 + 16

=>     N  =  181

Generally the number of  families with an income more than $60,000 who might or might not purchase a newspaper subscription is

      X = 70

Generally the percentage of families with an income more than $60,000 who might or might not purchase a newspaper subscription is

           P(X) =  \frac{70}{181}  * 100

=>        P(X) =  39\%

   

       

7 0
3 years ago
Im bo.reddddddddddddddddddddddddddddd<br><br><br> plz help me
cupoosta [38]

From the figure, we can notice that :

⊕   There are 4 striped blocks

⊕   The total number of blocks in the block set : 8

The ratio of striped blocks to total blocks in the block set is :

\sf{\implies \dfrac{4}{8}}

\sf{\implies \dfrac{1}{2}}

\sf{\implies 1 : 2}

<u>Answer</u> : B

8 0
3 years ago
Cindy takes a sheet of paper and cuts from one corner to the opposite corner, making two triangles. If the piece of paper is 5 i
Westkost [7]

Answer:

Perimeter of one of the triangle= 17.071 inch

Step-by-step explanation:

The triangle has:

Perpendicular= 5 inch\\Base = 5 inch \\Diagonal(Hypotenuse)=?

Using the Pythagorean Theorem;

          ( Hypotenuse)^2=(Perpendicular)^2+(Base)^2\\H^2= 5^2+5^2\\H^2=25+25\\H^2=50\\

        H=\sqrt{50}\\or\\H=7.071 inches

The Perimeter of one of the triangle is =

                           Perpendicular+Base+Hypotenuse\\5+5+7.071\\17.071inch

This is equal for the other triangle.

6 0
3 years ago
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