PLEASE HELP!!! offering 25 points brainiest and 5 stars with thanks

PLEASE HELP!!! Offering 25 Points Brainiest And 5 Stars With Thanks

Answers

Answer 1

Answer:

.3

Step-by-step explanation:

P( defective) = number defective/ total

                     = 3/10

                      .3

Answer 2

Answer:

[tex]\huge\boxed{0.3}[/tex]

Step-by-step explanation:

Total CDs = 10

Defective CDs = 3

P(Defective) = 3/10

P(Defective) = 0.3


Related Questions

What property allows us to multiply or
divide by one whole to make an equivalent
fraction?

Answers

Answer:

Identity Property of Multiplication

Step-by-step explanation:

Required

State with property that describes the question

I'll answer this question using the following instances;

[tex]1.\ \frac{x}{3} = 1[/tex]

[tex]2.\ 3x = 1[/tex]

For the first expression, we multiply both sides by 3

[tex]3 * \frac{x}{3} = 1 * 3[/tex]

[tex]x = 1 * 3[/tex]

[tex]x = 3[/tex]

For the second; divide both sides by 2

[tex]\frac{3x}{3} = \frac{1}{3}[/tex]

[tex]x = \frac{1}{3}[/tex]

The property applied in both expressions is the identity property of multiplication

an eraser company needs to ship erasers in bags of 780 plus or minus 9 erasers. what is the minimum and maximum erasers that could be in a bag?

Answers

Answer:

the minimum is 771 erasers while the maximum is 789 erasers

Step-by-step explanation:

Write the ratio 7.5 : 2.5 in the form n : 1

Answers

Answer:

3 : 1

Step-by-step explanation:

[tex] \huge7.5 : 2.5 = \frac{7.5}{2.5} = \frac{3}{1} = 3 : 1 [/tex]

The equivalent ratio to 7.5 : 2.5 is given by dividing both elements by 2.5, the ratio is: 3 : 1

How to rewrite the ratio?

Remember that in a ratio A : B we can always multiply or divide both numbers by the same number, and the ratio does not change.

So, for the ratio:

7.5 : 2.5

To be in the form of:

n : 1

We can just divide both elements by 2.5, so we get:

7.5/2.5 = 3

2.5/2.5 = 1

Then we conclude that:

7.5 : 2.5 is equivalent to 3 : 1

If you want to learn more about ratios:

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A particular beach is eroding at a rate of 4 centimeters per year. A realtor converts this rate to millimeters per day. Which expression, when evaluated, results in the correct units and numerical value? algebra

Answers

Answer:

4cm        10mm         1year

         x               x                             its fractions

1 year       1cm        365days

Step-by-step explanation:

its all fractions

Question is in the image

Answers

Answer:  g(x) = (-2/3)x^2

=====================================================

Explanation:

The blue parent function has a positive coefficient of 1. The purple g(x) function is a reflection of f(x) over the x axis, so everything is now negative. The coefficient must be negative as well.

But the answer is simply not g(x) = -x^2 because plugging x = 3 does not lead to y = -6 as the point (3,-6) shows.

Let's say the coefficient is k for now. So we have y = kx^2

Plug in x = 3 and y = -6. Solve for k

y = kx^2

-6 = k(3)^2

-6 = k*9

9k = -6

k = -6/9

k = -2/3

So we update y = kx^2 into y = (-2/3)x^2

Meaning that g(x) = (-2/3)x^2 is the equation of the purple curve.

Plug x = 3 into g(x) to find that

g(x) = (-2/3)x^2

g(3) = (-2/3)(3)^2

g(3) = (-2/3)(9)

g(3) = -6

which is the output we want, so this confirms we have the correct coefficient.

Answer:

y=(-2/3)x^2

Step-by-step explanation:

PLEASE HELP What is 16,448 written in scientific notation? A. 1.6448 x 10 B. 16.448 x 10 C. 1.6448 x 10 D. 1.6448 x 10

Answers

Answer:

1.6448 * 10^4.

Step-by-step explanation:

16448

There are 4 digits after the first so the exponent is 4.

1.6448 * 10^4.

2×( 1 1/2 – x) is the same as 2 1/3+ 1/15. x=?​

Answers

Answer:

x = 3/10

Step-by-step explanation:

2 1/3 = 2 + 1/3 = 6/3 + 1/3 = 7/3

1 1/2 = 1 + 1/2 = 2/2 + 172 = 3/2

2(1 1/2 - x) =  7/3 + 1/15

2(3/2 - x) = 35/15 + 1/15

2*3/2 + 2*-x = 36/15

3 - 2x = 36/15

-2x = 36/15  - 3

-2x = 36/15  -  45/15

-2x = -9/15

x = (-9/15)/-2

x = -9 / (15*-2)

x = 9/30

x = 3/10

verify:

2(3/2 - 3/10) = 36/15

2*3/2 + 2*-3/10 = 36/15

3 - 6/10 = 36/15

30/10 - 6/10 = 36/15

24/10 = 36/15 = 72/30

find the length of UX

Answers

Answer:

The answer is C. 76.53

What is the solution of −83 = b4? A. b = –332 B. b = –87 C. b = –79 D. b = –20.75

Answers

Answer:

the answer is D

Step-by-step explanation:

refer to the picture given

Write the natural numbers from 1 to 30. What fraction of them are prime numbers?​

Answers

Answer:

The natural numbers from 1 to 30:

1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30.

The prime numbers are: 2, 3, 5, 7, 11, 13, 17, 19, 23, 29.

Prime Numbers can only divide by themselves and 1.

Prime Numbers From 1 to 30: 2,3,5,7,11,13,17,19,23,29.... ( 10 )

Peter withdrew 1000 dollars from his bank account today. He uses 500 to fix his car. Then, he divided the money into 5 equal parts and gave away 4 parts and kept 1 part for himself. Finally, he took his wife to the restaurant and spent 60 dollars on meals. Write a numerical expression to represent this situation and then find how much money Peter has now?

Answers

Answer:

ok he has $40 left

Step-by-step explanation:

1000-500 = 500

500 - 400 = 100

100-60 = 40

Answer:

Money with Peter = $ 40

Step-by-step explanation:

Let 'x' be the money left with Peter

Money left with Peter after fixing his car = 1000 - 500 = 500

500 is divided into 5 equal parts and 4 parts he gave away. 500 - 400 = 100

x = (1000 - 500) - 400 - 60

= 500 - 400 - 60

= 100 - 60

x =$  40

The most commonly used descriptive statistics for a set of numerical scores are the mean and the ____.

Answers

Answer: Standard Deviation.

Step-by-step explanation:

DescriptionIn insights, the standard deviation is a proportion of the measure of variety or scattering of a lot of qualities. A low standard deviation demonstrates that the qualities will in general be near the mean of the set, while an elevated expectation deviation shows that the qualities are spread out over a more extensive territory.

Simplify. (3i + 2) + (4 i+ 3) =

Answers

Answer:

5+7i

Step-by-step explanation:

associative prop of addition

then simply add

negative plus a positive equals

Answers

Answer:  multiplied together or divided, the answer is positive. If two negative numbers are multiplied together or divided, the answer is positive.

Step-by-step explanation:

The result of adding a negative number and a positive number will depend on the magnitude of the two numbers and which one is larger.

What is the Subtraction operation?

Subtraction is a mathematical operation that deducts the right-hand operand from the left-hand operand.

for example 4 -2 = 2

In mathematics, adding a negative number and a positive number involves combining two quantities with opposite signs. When we add a negative number and a positive number, we can think of it as "subtracting the absolute value of the negative number from the positive number."

For example, if we have -3 + 5, we can rewrite it as 5 - 3, which equals 2. In this case, we are subtracting the absolute value of the negative number (3) from the positive number (5).

Similarly, if we have -7 + 2, we can rewrite it as 2 - 7, which equals -5. In this case, we are subtracting the absolute value of the negative number (7) from the positive number (2), but since the negative number has a larger absolute value, the result is negative.

So, the result of adding a negative number and a positive number will depend on the magnitude of the two numbers and which one is larger.

Learn more about subtraction here:

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The complete question is as follows:

What is a negative plus a positive?

John and 4 friends are going out for pizza. They split one pizza and
5 drinks. The pizza cost $12.50 and they spent a total of $19.25.

Answers

Answer:

Step-by-step explanation:

If you are asking how much money were the drinks?

Then, the answer is $6.75. This is because 19.25 - 12.50 = 6.75

If you are asking how much money per drink, then the answer is $1.35

What is the question? If they’re asking how much each drink cost then the answer would be: $1.35 because you have to subtract $19.25-12.50=6.75 and then you divide that by the number of drinks which would be 6.75/5=$1.35

Two positive consecutive numbers are represented by x and x+1. If four is added to the first
number and two is subtracted from the second number, the quotient of the new numbers is 11/16
Determine the numbers algebraically.

PLEASE HELP ASAP(50Points)
- thank you in advance :)

Answers

Step-by-step explanation:

new numbers are x+4 and x-1

so, x+4/x-1=11/16

16x+64=11x-11

16x-11x=-11-64

5x=-75

x = -15

also, x+1 = -14

x =first number

x+1 = second number

(x) + 4 = x + 4 = 1 ^ new number [first number + 4]

(x + 1) -2 = x - 1 = 2 ^ new number [second number - 2]

[tex]\frac{x+4}{x-1}=\frac{11}{16}[/tex]

now, we resolve it:

[tex]\frac{16(x+4)-11(x-1)}{16(x-1)}=0[/tex]

[tex]\frac{16x+64-11x+11}{16x-16}=0[/tex]

[tex]\frac{5x+75}{16x-16}=0[/tex]

we eliminate the denominator and do c.e.: 16x - 16 ≠ 0; 16x ≠ 16; x ≠ 1

5x + 75 = 0

x = - 15

so x + 1 = - 14

But what you ask are two positive numbers! Are you sure that you write correctly the question? Thank you

-2z + 3 + 7z= -12 A. z = -3 B. c = -c + 2 C. c + 2 = c -2 D. c - c = 2 Help me pleeeaasseee <3

Answers

Answer: Choice A) z = -3

====================================

Work Shown:

-2z + 3 + 7z= -12

5z+3 = -12

5z = -12-3 .... subtract 3 from both sides

5z = -15

z = -15/5 .... divide both sides by 5

z = -3

Answer:

A. z = -3

Step-by-step explanation:

B, C, and D have the wrong variable in the answer

-2z + 3 + 7z = -12

5z + 3 = -12

5z = -15

z = -3

3 − (2x − 5) < −4(x + 2)

Answers

Answer:

x < -8

Step-by-step explanation:

3 - (2x - 5) < -4(x + 2)

3 - 2x + 5 < -4*x -4*2

-2x + 8 < -4x - 8

-2x + 4x < -8 -8

2x < -16

x < -16/2

x < -8

You are told a professional cyclist eats around 5120 calories everyday for the Tour de Abroad. Estimate how many calories a cyclist would eat during a 21 day race

Answers

Answer:

Total calories eat = 107,520 calories

Step-by-step explanation:

Given:

Number of calories everyday = 5120 calories

Number of days = 21

Find:

Total calories eat

Computation:

Total calories eat = Number of calories everyday × Number of days

Total calories eat = 5120 × 21

Total calories eat = 107,520 calories

A person is 5.5 feet tall. Do you know their height in inches?

Answers

Answer:

66

Step-by-step explanation:

The height of the person in inches by unit conversion will be 66 inches.

What is unit conversion?

To convert any unit into another is called a unit conversion.

In order to convert units, we need to care about their dimensions their dimension should not be changed.

It is known that,

1 feet = 12 inches

Multiply both sides by 5.5

5.5 feet = 12 x 5.5 = 66 inches

Hence "The height of the person in inches by unit conversion will be 66 inches".

To learn more about unit conversion,

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What is the volume of a rectangular prism with a height of 7 units, a width of 5 units, and a length of 8 units?

A. 20 cubic units
B. 200 cubic units
C. 2.000 cubic units
D. none of the above​

Answers

Answer:

The answer is 280

Step-by-step explanation:

Because, the formula of volume of rectangular prism is Volume = length•width• height

2) A straight path that has no end and no thickness is known as

Answers

Answer:

a line

Step-by-step explanation:

A line is represented by a straight path with no end or thickness

Evaluate the expression when m = 4 and n = 7.
n+5m

Answers

Answer:

27

Step-by-step explanation:

If you substitute the two give numbers and follow BEDMAS, you can calculate the answer.

n+5m

n = 7 and m = 4

=(7)+(5(4))

=7+20

=27

If it takes Tim 20 minutes to bike 6 miles, how many minutes will it take him to bike 144 miles?​

Answers

Answer:

144/6 = 24

24 x 20 = 480

480 is the answer

Answer:

80 MINS  to bike 144 miles

Step-by-step explanation:

20=6 miles

144 divided by 6 = 24  

24 more miles to go

6 times 4 = 24 miles

20+20+20+20= 80

25b +15b combine like terms

Answers

Answer:

40b

Step-by-step explanation:

25 + 15 = 40

Answer:

40b

Step-by-step explanation:

We are given the expression:

25b+15b

and asked to simplify.

To simplify, we must combine like terms. Let's analyze the terms.

25b ⇒ has a variable "b"

15b ⇒ also has a variable "b"

The like terms in this expression are the terms with a variable, b.

To combine like terms, add the coefficients and leave a b on the end.

(25+15)*b

(40)*b

40b

The expression 25b+15b simplified is 40b.

x to the second power plus 4equals 40 solve for x

Answers

x^2 + 4 = 40

x^2 = 36

6^2 = 36

x = 6

1
Which sentence contains a spelling error?
A. Kallie possesses a good sense of humor, but she can be very mischievous at times.
OB.
You don't need to keep your receipt because the computer will record the transaction.
C. Tina's mother is a promanent member of the Volunteers Association of America.
OD
The movie will portray the life and death of Lieutenant Colonel Rodriquez-Smith.
Reset
Submit

Answers

Answer:

D prominent is spelled wrong that's how you spell it

Step-by-step explanation:

Which of the numbers below is less than 48.975? Select all that apply. A) 48.9 B) 48.98 C) 48.963 D) 49​

Answers

The correct answers would be both A and C

Answer:

A. 48.9'

C. 48.9663'

How do I solve for y in this equation? 3xy-28=15x

Answers

Answer:

  x = 28/(3y -15)

Step-by-step explanation:

Put the x-terms on the same side of the equal sign and everything else on the other side. Divide by the coefficient of x.

  3xy -28 = 15x . . . . . . given

  -28 = 15x -3xy . . . . . subtract 3xy

  -28 = x(15 -3y) . . . . . factor out x

  -28/(15 -3y) = x . . . . . . divide by the coefficient of x

We prefer to have a positive sign where possible, so we can multiply this by -1/-1 to get ...

  x = 28/(3y -15)

The entire graph of the function g is shown in the figure below. Write the domain and range of g as intervals or unions of intervals.

Answers

Answer: D = {-5 ≤ x ≤ -2  or  1 ≤ x < 5}

Step-by-step explanation:

When we have a function f(x) = y, the domain is defined as all the possible values of x that the function maps into other values.

In our graph, we can see two curves.

The first one (the one at the left)

Has two black dots, one at x = -5, and other at x = -2

(black dots means that the value is included, white dots means that the value is not included)

So this first part of the domain is:

-5 ≤ x ≤ -2.

Now, the second part has a black dot in x = 1, and a white dot in x = 5, so we can write this part of the domain like:

1 ≤ x < 5

Then the domain of our function is:

D = {-5 ≤ x ≤ -2  or  1 ≤ x < 5}

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