Answer:
2.275%
Step-by-step explanation:
We start by calculating the z-score
Mathematically;
z-score = (x-mean)SD
here, x = 70.5
mean = 65.5
SD = 2.5
Substituting these values;
z = (70.5-65.5)/2.5
= 5/2.5 = 2
So we want to calculate the probability that;
P( z> 2)
We check the standard normal distribution table for this
That will be
0.02275
In percentage, this is 2.275 %
What are the solutions to the quadratic equation 5x2 – 8= –12x?
djjdjdjeiwiwueuwhhww
5(–9x + 1) + 5 = –10x + 5(–7x + 2)
Answer:-
here's the answer
need help plez fast :)
Answer:
The answer is c you're welcome
Step-by-step explanation:
Answer: 150
Step-by-step explanation: just divide 450 by 3
Number 16 please help me
Answer:inverse of addition!
Step-by-step explanation:
Clare used 25% less butter this month than last month when baking holiday treats. If she used 240 tablespoons of butter last month, how many tablespoons did she use this month?
Answer:
180 tablespoons
Step-by-step explanation:
240×.25=60
240-60=180
Answer:
180
Step-by-step explanation:
y = - x + 7 on a graph
Answer:
(See the attachment)
Step-by-step explanation:
None
4 * 8-5 =12 symbols to make true number sentences
Using Pedmas to get the equation to be true add parenthesis around the 8-5:
4 x (8-5) = 12
This becomes 4 x 3 = 12 which is true.
Ben spent $430 this month and earns 2% cash back. How much cash back 2 points
will he receive?
*
Answer:
$8.60
Step-by-step explanation:
WILL MARK BRAINLIEST!!!!!! Which of the following graphs represents a function?
Answer:
C
Step-by-step explanation:
Ellie and Jamie like to bake cookies. Ellie baked 24 chocolate chip cookies, and Jamie baked p peanut butter cookies. Together they baked a total of 56 cookies. Write an equation that can be solved for p to find the number of cookies Jamie baked?
p would equal total cookies minus the total chocolate chip cookies:
p = 56 -24
p = 32
There were 32 peanut butter cookies made.
50=5x−3−8x−7
what is X?
Answer:
x = -20
Step-by-step explanation:
Solve for x:
50 = 5 x - 8 x - 7 - 3
Grouping like terms, 5 x - 8 x - 7 - 3 = (5 x - 8 x) + (-3 - 7):
50 = (5 x - 8 x) + (-3 - 7)
5 x - 8 x = -3 x:
50 = -3 x + (-3 - 7)
-3 - 7 = -10:
50 = -10 - 3 x
50 = -3 x - 10 is equivalent to -3 x - 10 = 50:
-3 x - 10 = 50
Add 10 to both sides:
(10 - 10) - 3 x = 10 + 50
10 - 10 = 0:
-3 x = 50 + 10
50 + 10 = 60:
-3 x = 60
Divide both sides of -3 x = 60 by -3:
(-3 x)/(-3) = 60/(-3)
(-3)/(-3) = 1:
x = 60/(-3)
The gcd of 60 and -3 is 3, so 60/(-3) = (3×20)/(3 (-1)) = 3/3×20/(-1) = 20/(-1):
x = 20/(-1)
Multiply numerator and denominator of 20/(-1) by -1:
Answer: x = -20
Answer:
x=-20
Step-by-step explanation:
Combine like terms and solve for x.
50= -3x-10
60= -3x
x=-20
I need help solving this
Answer:
the correct answer is true luv
Answer:
True bye the way see u in musd school district
i dont get 4 digit by 1 digit multiplcation
Answer:
we know
Step-by-step explanation:
12) It takes Kendra 12 minutes to drive 6 1/3 kilometers. How many kilometers does Kendra drive per minute? SHOW YOUR WORK. A) 2 B)19/36 C)1/6 D) 2 1/3
Answer:
36/19
Step-by-step explanation:
So to find this answer you have to divide 12 by 6 1/3. To figure that out I first turned 6 1/3 into an improper fraction (19/3) and then I put 12 over 1. To divide a fraction you have to multiply the dividend by the divisors reciprocal in this case 12/1 x 3/19 which equals 36/19 or 1 and 17/19
Hope this helps lol :D
Use the given information to solve for x.
x+3
2x-9
What is x?
Answer:9
Step-by-step explanation:
Which equation represents the same
linear function as the table below?
PLEASE HELP!!!!!!!!
What is the value of x
3x+14+5x-2=10x-18
Thank you sooooo much have a blessed day
6.
In the diagram below, PO and RS are parallel.
Q
130°
60°
to
R
S
Based on the angle measures in the diagram, what is the value
of x?
A. 70
B. 60
C. 50
D. 40
While on vacation in Dallas, Texas, the cab ride for the DFW airport to the hotel is 15 miles. The total cost of the cab ride was $25.50. The cab driver charges $1.50 permile for the entire trip. Write an equation that can be used to determine how much a cab ride would cost anywhere in Dallas.
Answer:
c=1.50x+3, where:
c=total cost of a cab ride anywhere in Dallas.
x=number of miles
Step-by-step explanation:
From the information given, you can multiply the price per mile for the number of miles:
1.5*15=22.5
You know that the total cost of the cab ride for the DFW airport to the hotel was 25.50:
25.50-22.50=3
This indicates that there is an additional charge for $3.
From this, you can say that the total cost of a cab ride anywhere in Dallas would be equal to the price per mile for the number of miles plus 3. According to this, the equation to calculate the total cost of a cab ride would be:
c=1.50x+3, where:
c=total cost of a cab ride anywhere in Dallas.
x=number of miles
The revenue for a company producing widgets is given by y = -10x2 - 25x + 125, where x is the price in dollars for each widget. The cost of the production is given by y = 60x - 10. Determine the price that will allow the production of the widget to break even.
When they create 3.44 products and make a revenue of $76.027, they will break even.
Step-by-step explanation:
To do this, simply graph the 2 equation in a graphing calculator and analyze the graph for where the 2 graphs intersect. Discard the negative intersection because we cannot have a negative production. You should see that your intersection point is (3.441, 76.027).
ILL MARK AS BRAINLESS HELP PLS
Answer:
14
Step-by-step explanation:
140/56 is 2.5, in order to get 175 we need an extra 35 dollars, each hotdog is worth 2.5, 35/2.5 is 14, 14 hotdogs
Match the correct items. 1. checkbook record outstanding checks 2. service charge register 3. previous and ending balances reconciliation 4. verifies bank and checkbook balances agree once a month 5. bank statement monthly fee 6. not included in bank statement account summary
Answer:
I will answer below:
Step-by-step explanation:
Checkbook Record -> Register
Service Charge -> Monthly Fee
Previous and ending balances -> Account Summary
Verifies bank and checkbook
balances agree -> Reconciliation
Bank Statement -> Once a month
Not included in the bank statement -> Outstanding checks
Sorry this is kind of late!
On Wednesday, a local hamburger shop sold a combined total of 282 hamburgers and cheeseburgers. The number of cheeseburgers sold was two times the number of hamburgers sold. How many hamburgers were sold on Wednesday?
Answer:
The annswer is 94 hamburgers
Step-by-step explanation:
hope you have a nice day
What is the solution of the system of equations?
Help
Answer:
(0, 5)
Step-by-step explanation:
PLEASE HELP SEE PHOTO
[-00,-3] or (6,o)
(-οο,-3] or [6,o)
(-0,-3) or (6,o)
(-η, -3] or (6, ω)
Please anwser and show a explanation
Answer:
3x + 2y is <to 30
(the second answer)
Step-by-step explanation:
So basically the x is going to be the first thing mentioned, so roses, which are 3$. 3x. Carnations are going to he 2nd and so therefore represented by Y. 2y.
3x + 2y (you're adding them)
It says she does not want to spend more than 30$ and so because there is no less than or equal to sign, it would be the first answer.
7. Use the base angles of triangle ABC to find the measure of angle CBD.
Answer:
96
Step-by-step explanation:
For those of you who have an 84 angle for angle D and E isosceles trapezoid the base legs will be equal due to the congruent legs, all of the interior angles of a trapezoid will add up to 360, D and E equal 84, 360-84-84 would be 192, now since the base angles are equal due to the congruent legs 192/2 would be 96. Angles B and C are 96.
The external angles of a triangle are those created outside of it. The measure of ∠CBD is 132°.
What is an exterior angle?The external angles of a triangle are those created outside of it. In other terms, a triangle's external angle is the angle produced between one of its sides and its neighbouring extended side.
The diagram for the given condition can be made as shown below.
In a triangle, the sum of two interior angles is equal to the exterior angle for the angle which is left. Therefore, the measure of ∠CBD can be written as,
∠CBD = ∠BAC + ∠BCA
∠CBD = 43° + 89°
∠CBD = 132°
Hence, the measure of ∠CBD is 132°.
The complete question is:
Triangle ABC with the measure of ∠A equal to 43° and the measure of ∠C equal to 89°. Ray AD passes through point B, creating external angle CBD.
Based on the information provided, what is the measure of ∠CBD?
m∠CBD =__________.
Learn more about Exterior Angle:
https://brainly.com/question/2406986
#SPJ2
Please help (4x - 1)(2x + 3)
Answer:
There the answer is simplified and I used Cymath it goes down step by step.
Step-by-step explanation:
I hope I helped! :)
Answer = (1.5, 0.25)
A bike rental company rents beach bikes. They charge an initial fee plus $1 for each hour the bike is rented. Chad rented a bike for six hours and was charged $10. How much is the initial fee?-I need help with the first step and I NEED HELP ASP!!
Answer/Step-by-step explanation:
Since chad was charged 1 dollars for each hour for 6 hours, we can represent this as 1 x 6. Now subtract 6 dollars from the bill for the hours and it leaves the initial fee of $4 for rental.
Now check your work:
(1 x 6) + 4 = 10
Find the value of 3.4(4 + 7) + 23 – 2.67.
Answer:
The answer is 42.73
Step-by-step explanation:
The math really isn't that hard. And also I had answered the question before and got it correct. :))
Answer:
42.73
Step-by-step explanation: