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3 years ago

15

In the school faculty parking lot on Tuesday, 18 of the 72 cars were white or black. What percent of the faculty cars were white

or black?

1 answer:

ruslelena [56]3 years ago

8 0

Answer:

25%

Step-by-step explanation:

We can do 18/72=0.25

A percent is a decimal pushed 2 numbers back so 25%

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Does 32.60 round up or round down

adelina 88 [10]

That all depends what place you want it rounded to.

Rounding to the nearest tenth, it becomes 32.6 .
Rounding to the nearest whole number, it becomes, 33 .
Rounding to the nearest ten or higher order of magnitude, it becomes zero.

3 0

3 years ago

1. Ellie has at most $25 to spend on miscellaneous items each week. She has already spent

gregori [183]

Answer:

y= $25-$10.50

Step-by-step explanation:

5 0

3 years ago

Agnes Hammer is a senior majoring in management science. She has been interviewing with several companies for a job when she gra

stiks02 [169]

Answer:

Mean = 30516.67

Standard deviation, s = 3996.55

P(x < 27000) = 0.0011518

Step-by-step explanation:

Given the data:

28500 35500 32600 36000 34000 25700 27500 29000 24600 31500 34500 26800

Mean, xbar = Σx / n = 366200 /12 = 30516.67

Standard deviation, s = [√Σ(x - xbar) / n-1]

Using calculator, s = 3996.55

The ZSCORE = (x - mean) / s/√n

Zscore = (27000 - 30516.67) / (3996.55/√12)

Zscore = - 3516.67 / 1153.7046

Zscore = - 3.048

P(x < 27000) = P(Z < - 3.049) = 0.0011518

3 0

2 years ago

Please help with the following question

SIZIF [17.4K]

Answer:

You can use the app called solving math or course hero!

3 0

2 years ago

What is the axis of symmetry for f(x) = -3x2 + 18 - 7

solong [7]

The vertex form:

$y=a(x-h)^2+k\\\\(h,\ k)-vertex$

The axis of symetry is x = h.

$y=ax^2+bx+c\to h=\dfrac{-b}{2a}$

We have

$f(x)=-3x^2+18x-7\to a=-3,\ b=18,\ c=-7$

Substitute:

$h=\dfrac{-18}{(2)(-3)}=\dfrac{-18}{-6}=3$

<h3>Answer: x = 3</h3>

6 0

3 years ago