A factory makes lightbulbs. The probability that a bulb is defective is 1/8 If 500 lightbulbs are tested, about how many are expected to be defective?

A.
8

B.
50

C.
63

D.
437

Answers

Answer 1

Answer:

c

Step-by-step explanation:

Answer 2

Answer:

C. 63

Step-by-step explanation:

took the test


Related Questions

a(-6)=-42
solve for a

Answers

Answer:

7

Step-by-step explanation:

Answer:

A = 7

Step-by-step explanation:

You would take -42/-6 because that will tell you what x -6=-42

-42/-6 = 7

Also. you have to remember that a negative divided or multiplied by a negative = a positive

The diagonals of a rectangle have length 12 and intersect in a 40 degree angle. Find the length and width rounded to the nearest tenth.

Answers

Answer:

Length is 7.7 and width is 9.2

Step-by-step explanation:

The length and width of the rectangle will be the y and x coordinate of the diagonal line at angle of 40 degrees

Length L = dsin theta

Width W = d coos theta

d is the length of the diagonal

Given

d  = 12

theta = 40°

Substitute

Length = 12sin40°

Length = 12(0.6428)

Length = 7.7135

Length ≈ 7.7

Width = 12cos 40

Width = 12(0.7660)

Width = 9.192

Width = 9.2

Hence the length is 7.7 and width is 9.2

If the price of a sweater was $37.38 after a 35% discount, what was the original price? Round your answer to the nearest cent.

Answers

Answer:

$57.51

Step-by-step explanation:

If the price of a sweater was $37.38 after a 35% discount, what was the original price? Round your answer to the nearest cent.

The formula for the original price =

= Sales price/1 - Percentage discount

Percentage discount = 35% = 0.35

Original price = $37.38/1 - 0.35

= $37.38/0.65

= $57.507692308

Approximately = $57.51

Therefore, the original price H= $57.51

Noah was hired for $28.751.00 per year. How
much does Noah receive per week?

Answers

Answer:

$552.90

Step-by-step explanation:

There are 52 weeks in a year

28,751/52= 552.9038462

since this is money you just round

HELPPPPP GIVING BRAINLIEST

Which event typically causes upwelling?

Wind blows warm water away from the shore.
Warm water rises to the surface of the ocean.
Neap tides move cold water away from the shore.
Cold water falls to the bottom of the ocean and pushes warm water up.

Answers

it's wind blows warm water away from the shore.

Step-by-step explanation:

it is one hundred percent correct

Answer:

A

Step-by-step explanation:

Wind blows warm water away from the shore.


The area ofa rhombus is 240 cm and one of the diagonals is 16 cm. Find
diagonal

Answers

The length of the second diagonal d2 is 30cm

PLEASE HELP!!!

What are the domain and range of the function?

Match the domain and range with the corresponding set of points.

Answers

Answer:

Domain is all the x values while range is all the y values. Im not sure if you're supposed to tell you how to do it or do it for you so... good luck

Step-by-step explanation:

Answer:

domain: [-1, infinity)

range: ( - infinity, 1]

Step-by-step explanation:

the domain is the set of x values in a function and range is the y values.

Solve this x²- 3x²- 9x + 27
A. 2(x + 4)(x - 1)(x + 2)
B. 2(x + 4)(x^2 + 2)
C. 2(x + 4)(x + 1)(x - 2)
D. 2(x - 4)(x^2 - 2)

Answers

Answer:

C. 2(x + 4)(x + 1)(x - 2)

Step-by-step explanation:

Hope this will help

WILL GIVE BRAINILEST

The price of ground beef varies directly with the weight of the ground beef purchased. Two pounds of ground beef cost $10.

What is the cost of 3 pounds of ground beef?

Answers

15, 1 ground beef cost $5
The price of 3 pounds would be $15

10×-50
---------- =13
5​

Answers

Answer:

I think it's -500 = 135

Step-by-step explanation:

multiply 10 and -50 to get -500

pls show work! questions on pic

Answers

Answer:

a.(10,23)

b.(7,30)

e.(20,20)

Step-by-step explanation:

We are given that

x=Width of garden

y=Length of garden

According to question

[tex]x\geq 5[/tex]

[tex]y\geq 20[/tex]

Perimeter of rectangle=[tex]2(x+y)[/tex]

Where x=Width  of rectangle

y=Length of rectangle

Fencing used =[tex]2(x+y)[/tex]

[tex]2(x+y)\leq 80[/tex]

First we change inequality  into equality

[tex]x=5[/tex]...(1)

[tex]y=20[/tex]...(2)

[tex]2(x+y)=80[/tex]

[tex]x+y=40[/tex]...(3)

Substitute x=0 in equation (3)

[tex]y=40[/tex]

Substitute y=0  in equation (3)

[tex]x=40[/tex]

Substitute x=0 and y=0 in equation (3)

[tex]2(x+y)\leq 80[/tex]

[tex]0\leq 80[/tex]

It is true. Therefore, the  shaded region below the line.

[tex]0\geq 5[/tex]

[tex]0\geq 20[/tex]

These are false equation .Therefore, the shaded region above the line.

Substitute x=5 in equation (3)

[tex]5+y=40[/tex]

[tex]y=40-5=35[/tex]

Substitute y=20 in equation (3)

[tex]x+20=40[/tex]

[tex]x=40-20=20[/tex]

Intersection point of equation (1) and (3) is (5,35) and intersect point of equation (2) and (3) is (20,20).

Now,

a.(10,23)

Substitute in

[tex]2(x+y)\leq 80[/tex]

[tex]2(10+23)\leq 80[/tex]

[tex]66\geq 80[/tex]

10>5 and 23>20

it satisfied all inequality.

Hence, it is a solution.

b.(7,30)

7>5

30>20

[tex]2(7+30)=74<80[/tex]

it satisfied all inequality.

Hence, it is a solution.

c.(18,25)

18>5

25>20

[tex]2(18+25)=86>80[/tex]

It does not satisfied third inequality

Hence, it is not a solution.

d.(8,35)

8>5

35>20

[tex]2(8+35)=86>80[/tex]

It does not satisfied third inequality

Hence, it is not a solution.

e.(20,20)

[tex]2(20+20)=80[/tex]

20>5

20=20

it satisfied all inequality.

Hence, it is a solution.

Jana earns $25 per week for mowing the lawn and deposits the money into her savings account. The amount of money in Jana's account can be
represented by the equation y = 25x + 125, where x is the number of weeks she has been mowing the lawn. What does the y-intercept of the graph
represent in this situation?

Answers

Hi there! x would be 6 weeks..

Explanation:

So here says that Jana earns $25 per week for mowing the lawn. But in “x” weeks, she earns $125...this means that you would have to divide 125 with 25 or 25 multiply by x to find the answer of x.

How much does 25 go to 100? Well it would be 5. So for $100 it would be 5 weeks. We also know that 25 is 1 week. So add 5 with 1. 5 plus 1 would be 6.

Therefore, for $125, Jana would have to work for 6 whole weeks.

-8+2n+10+5n simply the expression .

Answers

Step 1: Add the two terms together
Add -8 and 10 to get 2
(2 + 2n + 5n)

Step 2: 2 + 2n +5n
Combine like terms
Combine 2n and 5n to 7n

Answer= 2 + 7n

that’s how you do it ^


Combine the like terms to create an equivalent expression:
-3r- 6+ (-1)

Answers

Answer:

-3r+5 is that answer hdj

Answer:

-3x-7

Step-by-step explanation:

-6 + -1 = -7

find x=, if x+1=11 hurry!!

Answers

Answer:

x = 10

Step-by-step explanation:

x + 1 = 11

x = 10

2. Emma knows that her mix of 5 cups of orange juice to 2 cups of ginger
ale will create enough drink for 7 people. If she is looking to create
enough drinks for 28 people, how many cups of orange juice will she
need? *

Answers

Answer:

11 1 /2 ( 11 and a half)

Step-by-step explanation:

If you noticed 7 and 2 are five numbers away.

To solve this I just added one to both of them until the sum was equal to 28.

If I had added one to 16 and 11, it would have given me 29, so I added a half.

That gave me 28.

Can I get some help on this pls

Answers

Answer:

GCF=1  

Add=13

Multiply=30

Step-by-step explanation:

GCF:

   Factors of Ten= 10, 5, 2, 1

   Factors of Three= 3, 1

   Common factors = 1

Add:

   10+3 = 13

Multiply:

   10x3 = 30

Find the slope for the points (5,7) and (8,4)

Answers

Answer:

-1

Step-by-step explanation:

m=(y2-y1)/(x2-x1)

m=(4-7)/(8-5)

m=-3/3

m=-1

Answer:

m = -1

Step-by-step explanation:

m represents the slope.

10 divided by 320 plus 18 subtract by 13

Answers

The answer would be

5.03125
5.03125
Hope this helps

Find the degree of the monomial.
5b^7c^6

Answers

Answer: 13

Explanation: To find the degree of a monomial, we need to take

the sum of the exponents of all the variables in the monomial.

So the degree of this monomial is 7 + 6 or 13.

So the degree of this monomial is 13.

PLEASE HELP ME ASAP!!!!!!!!!!!!

The winner gets...

17 POINTS AND BRAINLIEST!!!!!!!!!!!!

The diagram shows the scores given by the panel of judges during a dancing competition.

B) There were 5 judges.
They each gave one score in each round competition.
How many rounds were there?

Answers

Answer:

a) score 2 and 3.

b) 30 rounds

Step-by-step explanation:

a) score 2 and 3 have same number of frequency which is 7 times, meaning that there are 7 persons get score 3 and 2 respectively.

b) frequency of number of score are 30 times, which means 30 rounds.

score 1: 3 times,

score 2: 7 times,

score 3: 7 times,

score 4: 8 times,

score 5: 5 times.

Answer:

a and b is the answer

the previous answer is a good answer

16:25 simplified (ratio)

Answers

Answer:

its already simplified the most but as a decimal its 0.64

Step-by-step explanation:

you cant simplify it anymore

which of the following expressions is equal to 5-2m?

A) 7-2(m+1)
B) 7-2(m-2)
C) 7-(2m-5)

Answers

The answer would be A. Make sure you also use BEDMAAS, and take care of the brackets first

I need help on this if anyone don’t mind

Answers

9514 1404 393

Answer:

416

Step-by-step explanation:

For this to have infinitely many solutions, the left side and right side must simplify to the same expression. The left side is already simplified, so we need to find the right numbers for the right side.

Coefficient of x:

  7x = __x + 3x

  4x = __x . . . . . . subtract 3x; next divide by x

  4 = __ . . . . . the required x-coefficient is 4

Constant term:

  -8 = 8 -__

  -16 = -__ . . . . . subtract 8

  16 = __ . . . . . . multiply by -1

__

The numbers that go in the boxes are 4 and 16.

URGENT i need the answer for number 23 tyyyy

Answers

No your friend I’d not correct although the slope is 4, the y-intercept is -3 because of the minus 3 in the equation.

Answer:

The y-intercept should be -3 since it is 4x-3 so no your friend is not right

Step-by-step explanation:

What number could be a value of y which makes the following inequality true? Inequality: 4y > 24

6
7
4
2

Answers

Answer:

7

Step-by-step explanation:

7x4=28

6x4=24

So it cant be 6 or anything less

I think it’s 6. If I’m correct I think you need to multiply. I may be wrong.

A restaurant offered 18% off the price of an entree. The amount of discount was $2. What is the regular price of the entree?

Answers

2 x 0.18 = 0.36

2 - 0.36 = 1.64

Answer is $1.64

Rochelle is competing in a marathon. She knows that once she runs 14.7 km she will have completed 35% of the marathon

Answers

Given :

Rochelle is competing in a marathon.

She knows that once she runs 14.7 km she will have completed 35% of the marathon.

To Find :

Total length of the marathon.

Solution :

Let, total distance of the marathon is x km.

So, 35% of x is 14.7 .

In mathematics :

[tex]14.7 = x\times \dfrac{35}{100}\\\\x = \dfrac{14.7\times 100}{35}\\\\x = 42\ km[/tex]

Therefore, total length of the marathon is 42 km.

Find X Give your answer in simplest form

Answers

Given:

A figure of a right angle triangle.

To find:

The value of x.

Solution:

In a right angle triangle,

[tex]\tan \theta = \dfrac{Opposite}{Adjacent}[/tex]

In the given triangle,

[tex]\tan (30^\circ) = \dfrac{x}{7}[/tex]

[tex]\dfrac{1}{\sqrt{3}}=\dfrac{x}{7}[/tex]

On multiplying both sides by 7, we get

[tex]\dfrac{7}{\sqrt{3}}=x[/tex]

Therefore, the value of x is [tex]x=\dfrac{7}{\sqrt{3}}[/tex].

PLZ HELP ME:Evaluate: What is the value of the expression -5(3 + 4)?

Answers

Answer:

-35

Step-by-step explanation:

PEMDAS

Answer:

-35

Step-by-step explanation:

PEMDAS

solve for 3+4=7

-5*7=-35

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