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Elanso [62]
3 years ago
11

I’am not sure what to think of this one please need help

Mathematics
2 answers:
Eddi Din [679]3 years ago
7 0
This is asking you to interpret the slope. In this case, the +20 is just a baseline number and irrelevant to the question. Your slope is 10 which means for every car washed, they gain $10.
Ivanshal [37]3 years ago
5 0

Answer:

This is asking you to interpret the slope. In this case, the +20 is just a baseline number and irrelevant to the question. Your slope is 10 which means for every car washed, they gain $10.

Step-by-step explanation:

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Give your answer as a mixed number. 2 6/7 ÷ 2/3 =?​
AfilCa [17]

2 6/7 ÷ 2/3

= 20/7 ÷ 2/3

20/7 × 3/2

= 60/14

reduce to it's lowest term

30/7 = 4 2/7

8 0
3 years ago
PLEASE HELP— URGENT// MIDDLE SCHOOL MATHEMATICS
MaRussiya [10]

Answer:

Step-by-step explanation:

The new bike costs 180 dollars

Parents paid 40%

what is a percentage? per cent= divide by 100

parents paid 180 *40/100=180*0.4=72 dollars

Jennifer has to pay the rest

180-72=108

4 0
2 years ago
Read 2 more answers
Use the disk method or the shell method to find the volumes of the solids generated by revolving the region bounded by the graph
diamong [38]

Answer:

a) 8π

b) 8/3 π

c) 32/5 π

d) 176/15 π

Step-by-step explanation:

Given lines :  y = √x, y = 2, x = 0.

<u>a) The x-axis </u>

using the shell method

y = √x = , x = y^2

h = y^2 , p = y

vol = ( 2π ) \int\limits^2_0 {ph} \, dy

     = ( 2\pi ) \int\limits^2_0 {y.y^2} \, dy  

∴ Vol = 8π

<u>b) The line y = 2  ( using the shell method )</u>

p = 2 - y

h = y^2

vol = ( 2π ) \int\limits^2_0 {ph} \, dy

     = ( 2\pi ) \int\limits^2_0 {(2-y).y^2} \, dy

     = ( 2π ) * [ 2/3 * y^3  - y^4 / 4 ] ²₀

∴ Vol  = 8/3 π

<u>c) The y-axis  ( using shell method )</u>

h = 2-y  = h = 2 - √x

p = x

vol = (2\pi ) \int\limits^4_0 {ph} \, dx

     = (2\pi ) \int\limits^4_0 {x(2-\sqrt{x}  ) } \, dx

     = ( 2π ) [x^2 - 2/5*x^5/2 ]⁴₀

vol = ( 2π ) ( 16/5 ) = 32/5 π

<u>d) The line x = -1    (using shell method )</u>

p = 1 + x

h = 2√x

vol = (2\pi ) \int\limits^4_0 {ph} \, dx

Hence   vol = 176/15 π

attached below is the graphical representation of P and h

3 0
3 years ago
What translation is made from f(x) → -f(x)?
Hunter-Best [27]

Answer: The correct answer is “this is a reflection across the x-axis”

5 0
3 years ago
A shipment to a warehouse consists of 2,750 MP3 players. The manager chooses a random sample of 50
Juli2301 [7.4K]

MP3 players in the shipment which are likely to be defective is 330.

Step-by-step explanation:

• Probability is event of an occurrence which is uncertain.

• Probability always lies between 0 to 1.

• The sample of 50 MP3 has 6 defective, to solve it has to be converted.

• Convert percentage in 100 multiply numerator and denominator by 2.

• Result is 6/50 converted to 12/100, bring it to 0.12%.

• 12% is defected in 100% of sample.

• It is found here that 2750 is the population and 12% of 2750.

• 2750 * 0.12 = 330, defective pieces in 2750.

• There are three types of Classical,Empirical or Experimental.

• Classical are ‘n’ number of events find the probability occurrence.  

• Empirical or experimental is purely based on events.

5 0
3 years ago
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