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LenKa [72]
2 years ago
12

PLEASE HELP I"LL GIVE BRAINLEAST

Mathematics
2 answers:
nirvana33 [79]2 years ago
4 0

Answer:

7.5 % Tax rate

Step-by-step explanation:

I used used the calculator to figure out the rate

$2,400 X 7.5%= 180

kaheart [24]2 years ago
4 0
7.5 percent tax rate because if you subtract $2,400 -118 you get 7.5
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There are 70 students in the school band. 40% of them are sixth graders, 20% are seventh graders, and the rest are eighth grader
Anon25 [30]

Answer:

The number of students in the school band = 70

40% of students in the school band are sixth graders.

20% of students in the school band are seventh graders.

We have to find the number of band members that are sixth graders.

The number of sixth graders in school band are:

40\% of 70

0.40 \times 70

28

Therefore, there are 28 band members that are sixth graders.


4 0
3 years ago
Linda had 8 stamps in her collection. She lost 2 stamps. What fraction of the
Alenkinab [10]

Answer:

2/8

Step-by-step explanation:

all the stamps would be 8/8 but she lost 2 therefore giving her 2/8

6 0
2 years ago
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TotCo is developing a new deluxe baby bassinet. If the length of a newborn baby is normally distributed with a mean of 50 cm and
slavikrds [6]

Answer:

91.63 cm is the interior length of the bassinet to ensure that 99 percent of newborn babies will fit, with a safety margin of 15 cm on each end of the bassinet.

Step-by-step explanation:

We are given the following information in the question:

Mean, μ = 50 cm

Standard Deviation, σ = 5 cm

We are given that the distribution of  length of a newborn baby is a bell shaped distribution that is a normal distribution.

Formula:

z_{score} = \displaystyle\frac{x-\mu}{\sigma}

P(X<x) = 0.99

We have to find the value of x such that the probability is 0.99

P(X < x)  

P( X < x) = P( z < \displaystyle\frac{x - 50}{5})=0.99  

Calculation the value from standard normal table, we have,  

P(z

\displaystyle\frac{x - 50}{5} = 2.326\\x = 61.63  

Thus, 99% of newborn babies will have a length of 61.63 cm or less.

There is a safety margin of 15 cm on each end of the bassinet

Length of bassinet =

61+63 + 15 +15 = 91.63\text{ cm}

6 0
2 years ago
Graph the linear equation <br> y=-5
Naya [18.7K]

Answer:

Answer in the picture: x = 1 | y = -5

Step-by-step explanation:

Not sure if that's the answer you're looking for but I think that's it

3 0
3 years ago
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PLEASE HELP! :( <br><br> What is the surface area of the right cone below?
AleksandrR [38]

Answer:

<em>A≈606.32</em>

Step-by-step explanation:

you need to use this equation: A=πr(r+h^2+r^2) to figure it out...

just plug your length, height, and radius in, and u have ur answer!!

ur answer shud be <em>A≈606.32</em>

<em />

Hope this helps!!

6 0
3 years ago
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