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dolphi86 [110]
3 years ago
7

A company that makes hair-care products had 8,000 people try a new shampoo. Of the 8,000 people,64 had a mild allergic reaction.

What percent of the people had a mild allergic reaction?? Need ASAP
Mathematics
1 answer:
Greeley [361]3 years ago
8 0

Answer:

1.25% of all the 8,000 people who tried the shampoo had a mild allergic reaction

Step-by-step explanation:

Divide 8,000 by 64 to get the unsimplified percentage

Then put a dot between 1 and 2 to get the percentage to get the percentage, 1.25%

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Terra gets better gas mileage with 30mpg and Jim gets 12mpg
3 0
3 years ago
A publisher displays its latest magizine on its website
IceJOKER [234]

We need to know about unitary method to solve the problem. The length of the actual magazine cover is 8 inches, the width of the actual magazine cover is 11 inches, the length of the new magazine cover is 32cm and the width of the new magazine cover is 44cm.

Unitary method is used to find the value of a unit object. . In this question we know the scale is 6cm to 1 inch for actual magazine cover, the length is given to be 48 cm and the width is 66cm,

length of actual magazine cover= 48/6=8 inches

width of actual magazine cover= 66/6=11 inches

The new scale is 4 cm to 1 inch

length of new magazine cover=8x4=32 cm

width of new magazine cover =11x4=44 cm

Therefore the length of the actual magazine cover is 8 inches, the width of the actual magazine cover is 11 inches, the length of the new magazine cover is 32 cm and the width of the new magazine cover is 44cm.

Learn more about unitary method here:

brainly.com/question/22056199

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Your question was incomplete. Please refer below for the entire question.

A publisher displays its latest magazine cover on its website.

The publisher scales up the front cover of the magazine using a scale of 6 centimeters to 1 inch. The length of the scale drawing is 48 centimeters, and its width is 66 centimeters.

The length of the actual magazine cover is inches.

The width of the actual magazine cover is inches.

The scale drawing is too big to view on a computer screen without scrolling.

the publisher uses a new scale of 4 centimeters to 1 inch.

The length of the new scale drawing is centimeters.

The width of the new scale drawing is centimeters.

7 0
1 year ago
Determine whether the relation shown is a function. Explain how you know.
lutik1710 [3]

Answer:

  It is not a function

Step-by-step explanation:

The plot shows (1, 1) and (1, 3) are both defined by the relation. It does not pass the "vertical line test", which requires the relation be single-valued everywhere.

3 0
3 years ago
Read 2 more answers
Help!!! I don’t understand how to do this
lidiya [134]

Answer:

  f^{(k)}(x)=\dfrac{17k!(-1)^k}{(x-9)^{k+1}}

Step-by-step explanation:

The question presumes you have access to a computer algebra system. The one I have access to provided the output in the attachment. The list at the bottom is the list of the first four derivatives of f(x).

__

The derivatives alternate signs, so (-1)^k will be a factor.

The numerators start at 17 and increase by increasing factors: 2, 3, 4, indicating k! will be a factor.

The denominators have a degree that is k+1.

Putting these observations together, we can write an expression for the k-th derivative of f(x):

  \boxed{f^{(k)}(x)=\dfrac{17k!(-1)^k}{(x-9)^{k+1}}}

4 0
3 years ago
4) A rectangular court is 4 feet wide. The length is twice as long as the width. What is the area of the rectangular court?
Advocard [28]

for rectangles:

A = lw

A = 4(4 * 2)

A = 4(8)

A = 32

So, your answer is B) 32 ft.

8 0
3 years ago
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