answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
elena55 [62]
1 year ago
10

Mark reads 42 pages of a book every 3/4 hour. Write an equation that models the relationships between x, the number of hours Mar

k reads, and , y the number of pages of the book he reads.
Mathematics
1 answer:
Illusion [34]1 year ago
7 0

Answer:

The equation that models the relationships between x, the number of hours Mark reads, and , y the number of pages of the book he reads is:

y=56x

Step-by-step explanation:

Given:

Mark reads 42 pages every \frac{3}{4} hour.

The number of hours is given by = x

The number of pages is given by =y

The equation can be modeled as:

y=mx+b

where m represents rate of change and b represents the y-intercept or the initial value.

Rate of change ==\frac{Change\ in\ y}{Change\ in\ x}=\frac{42}{\frac{3}{4}}=42\times \frac{4}{3}=56

The initial value b=0 as Mark starts reading from 0.

So, the equation is:

y=56x

You might be interested in
A company manufacturing oil seals wants to establish X and R control charts on the process. There are 25 preliminary samples of
alisha [4.7K]

Answer:

A ) i) X control chart : upper limit = 50.475, lower limit = 49.825

    ii) R control chart : upper limit =  1.191, lower limit = 0

Step-by-step explanation:

A) Finding the control limits

grand sample mean = 1253.75 / 25 = 50.15

mean range = 14.08 / 25 = 0.5632

Based on  X control CHART

The upper control limit ( UCL ) =

grand sample mean + A2* mean range ) = 50.15 + 0.577(0.5632) = 50.475

The lower control limit (LCL)=

grand sample mean - A2 *  mean range = 50.15 - 0.577(0.5632) = 49.825

Based on  R control charts

The upper limit = D4 * mean range = 2.114 * 0.5632 = 1.191

The lower control limit = D3 * mean range = 0 * 0.5632 = 0  

B) estimate the process mean and standard deviation

estimated process mean = 50.15 = grand sample mean

standard deviation = mean range / d2  = 0.5632 / 2.326 = 0.2421

note d2 is obtained from control table

6 0
1 year ago
The side length, s, of a cube is 4x2 3. if v = s3, what is the volume of the cube?
Veseljchak [2.6K]

Answer:

The Volume of the cube is

(64x^{6}+144x^{4}+108x^{2}+27)

Step-by-step explanation:

we know that

The volume of a cube is equal to

V=s^{3}

where

s is the length side of the cube

In this problem we have

s=(4x^{2} +3)

Substitute

V=(4x^{2} +3)^{3}

Remember that

(4x^{2} +3)^{3}=(4x^{2} +3)^{2}(4x^{2} +3)

(4x^{2} +3)^{2}(4x^{2} +3)=[16x^{4}+24x^{2} +9]( 4x^{2} +3)

=64x^{6}+48x^{4}+96x^{4}+72x^{2}+36x^{2}+27

Combine like terms

=64x^{6}+144x^{4}+108x^{2}+27


4 0
1 year ago
Read 2 more answers
Choose the correct simplification of the expression d3 ⋅ d5.
snow_tiger [21]
d^3*d^5=d^{3+5}=d^8
5 0
1 year ago
A toy factory makes 5,000 teddy bears per day. The supervisor randomly selects 10 teddy bears from all 5,000 teddy bears and use
tankabanditka [31]

Answer:

9

Step-by-step explanation:

<em>Degrees of freedom</em> is the number of values in the final calculation of a statistic that are free to vary. Degrees of freedom are related to sample size and calculated by n-1 where n is the <em>sample size</em>.

The Supervisor selects 10 teddy bears as sample from 5000 teddy bears produced daily.  Therefore in this situation, there are 10-1=9 degrees of freedom

3 0
2 years ago
Ashley plants a tree 45cm tall it grows by 10 cm each year. Find the amount ashley gets in the 5th year?​
Genrish500 [490]

Answer:

95cm

Step-by-step explanation:

45cm is the initial height

each year grow 10cm

growing time 5 years

45+(10 × 5)=95 cm

4 0
2 years ago
Other questions:
  • Sasha noticed that the graph of the sales of yearbooks represented a proportional relationship. How could she have calculated th
    8·2 answers
  • A basketball stadium holds 18500 seats. 65% of the seats are in the lower bowl and 35% of the seats are in the upper bowl. A low
    10·1 answer
  • In this diagram WQ = AC. One way to prove this is true is to draw a line through B such that BDAC. Then prove triangle ABC is co
    13·2 answers
  • Riley started selling bracelets. During the first month she sold 400 bracelets at $10 each. She tried raising the price, but for
    15·1 answer
  • The final cost of a sale item is determined by multiplying the price on the tag by 75%. Which best describes the function that r
    6·2 answers
  • In a gym class, 1/8 of students play basketball and 5/12 play volleyball. The remaining students play soccer. What fraction of s
    13·2 answers
  • Sofia cuts a piece of felt in the shape of a kite for an art project. The top two sides measure 20 cm each and the bottom two si
    13·2 answers
  • Snow avalanches can be a real problem for travelers in the western United States and Canada. A very common type of avalanche is
    10·1 answer
  • Experiment with different types of polygons, such as a triangle, rectangle, parallelogram, pentagon, hexagon, and so on, and rev
    14·1 answer
  • Gabriel’s Graphics Company was organized on January 1, 2020, by Gabriel Medina. At the end of the first 6 months of operations,
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!