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MAVERICK [17]
3 years ago
14

Benson is shopping for shampoo. His favorite brand comes in 5 different sizes which size is the best deal

Mathematics
1 answer:
aleksandrvk [35]3 years ago
7 0
What are the 5 different sizes? Can you be more specific?
You might be interested in
How to do this question plz ​
dimaraw [331]

Answer:

126 people

Step-by-step explanation:

Given that, ratio of people who preferred tea to those who preferred coffee = 9:5

Let number of people who preferred coffee = x

Number of people who preferred tea = x + 36

Total number of people in survey = x + (x+36)

Ratio of people who preferred tea to those who preferred coffee = (x + 36)/x = 9/5

Cross multiply to solve for x

5(x + 36) = x(9)

5x + 180 = 9x

Subtract 5x from both sides

180 = 9x - 5x

180 = 4x

Divide both sides by 4

180/4 = x

45 = x

x = 45

<em>Number of people who preferred coffee = x = 45</em>

<em>Number of people who preferred tea = x + 36 = 45 + 36 = 81</em>

<em>Total number of people in the survey = x + (x + 36) = 45 + 81 = 126 people</em>

6 0
4 years ago
What is the surface area of the cylinder. Use 3.14 as pi.
ipn [44]

Answer: 376.8 cm^2

Step-by-step explanation:

The formula for the surface area of a cylinder is A = 2prh +2pr^2

When:

  • A = surface area
  • p = value of pi (3.14 in this case)
  • r = radius (= 1/2 diameter)
  • h = height

When we substitute our values, we get the equation

A = 2(3.14)(4)(11) + 2(3.14)(4^2)

Now, we just multiply, square, and add our numbers to find A

A = 2(3.14)(4)(11) + 2(3.14)(4^2)

A = 2(3.14)(44) + 2(3.14)(16)

A = (6.28)(44) + (6.28)(16)

A = 276.32 + 100.48

A = 376.80

Because the hundredths place is a 0, we don't need to round.

A = 376.8

The unit is in centimeters. Area, and surface area by extent, are written in cm^2 (centimeters squared)

A = 376. 8 cm^2

<h3>Final answer: A = 376.8 cm^2</h3>

7 0
3 years ago
Read 2 more answers
a sample from a mummified bull was taken from a certain place. The sample shows that 71% of the carbon-14 still remains. how old
7nadin3 [17]

Answer:

Step-by-step explanation:

Decay of carbon - 14 is exponential in nature . It decays as follows .

N=N_0e^{-\lambda t}  λ is called decay constant .

λ = .693 / T where T is half life .

Half life of carbon-14 is 5700 years

λ = .693 / T

= .693 / 5700

= 12.158 x 10⁻⁵ year⁻¹

N=N_0e^{-\lambda t}

N = .71 N₀

.71 N_0 =N_0e^{-\lambda t}

.71  =e^{-\lambda t}

Taking ln on both sides

ln .71 = - λ t

ln .71 = - 12.158 x 10⁻⁵  t

-0.3425 =  - 12.158 x 10⁻⁵  t

t = .3425 / 12.158 x 10⁻⁵

2817  years .

6 0
3 years ago
Points A(8,4)&amp;B(-2,4) lie on a line .AB is parallel to which axis
IRINA_888 [86]
If the line is parallel they will have the same slope
8 0
3 years ago
4. In which quadrant, or on which axis, is the point located?<br> (-15, 0)
likoan [24]

Answer:

x axis

Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
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