Answer:
245 times in 1.75 minutes.
Step-by-step explanation:
Hope this helps!!!
Can I have brainliest???
Please help I'm in need.
Answer:
the last one is correct if see the commas
Step-by-step explanation:
plz mark me as a brainliest
What is a deduction ?
I'm having a math test tomorrow, what the best way to study?
Answer:
You can try using flash cards or use quizlet
Answer:
By studying practice quizzes in that chapter and reviewing past work.
Step-by-step explanation:
hope this helped!
. The length of the long-distance calls made by the employees of a company followed a normal distribution with a mean of 6.5 minutes and a standard deviation of 2 minutes. a. What is the probability that a call lasts less than 4 minutes
Answer:
The probability that a call lasts less than 4 minutes
P(X<4) = P(Z<-1.25) = 0.1056
Step-by-step explanation:
Step(i):-
Given mean of the population = 6.5 minutes
Given standard deviation of the Population = 2 minutes
Let 'X' be the random variable in normal distribution
Given X = 4
[tex]Z= \frac{x-mean}{S.D} = \frac{4-6.5}{2} = -1.25[/tex]
Step(ii):-
The probability that a call lasts less than 4 minutes
P(X<4) = P(Z<-1.25)
= 1-P(z>1.25)
= 1 - ( 0.5 +A(1.25)
= 1-0.5 - A(1.25)
= 0.5 - 0.3944 ( from normal table)
= 0.1056
Final answer:-
The probability that a call lasts less than 4 minutes
P(X<4) = P(Z<-1.25) = 0.1056
You want to estimate the mean number of sentences in a magazine advertisement.How many magazines advertisements must be included in the sample if you want to be 95% confident that the sample mean is within one sentence of the population mean
Complete question:
You want to estimate the mean number of sentences in a magazineadvertisement. How many magazine advertisements must beincluded in the sample if you want to be 95% confident that thesample mean is within 1 sentence of the population mean ? (sigma =5)
Answer:
96
Step-by-step explanation:
We have level of confidence = 95%
Alpha = 1-0.95
= 0.05
Alpha/2 = 0.025
Z-alpha/2 = 1.96
E = margin of error = 1
For this question the formula to derthe sample size is given as:
n = [(Za/2 x sigma)/E]²
n = (1.96 x 5/1)²
n = 9.8²
= 96.04
So 96 magazines advertisement must be included in the sample to be 95% confident.
Which expression is equivalent to y • 48?
A. (• 40) + 8
B. (y • 4) • 8
C. (y • 40) + (y • 8)
D. (y • 4) + 8
Answer:
c
Step-by-step explanation:
Answer:
This anwer is A
Step-by-step explanation:
Tell me if im wrong thank you!
Im like 90% sure
HELP KHAN ACADEMY BE QUICK WILL GIVE BRAINLIEST.
Answer:
Just make a duplicate tab, disconnect your internet, click use a hint until it gives you the answer, then when you get it close that tab, reconnect the internet then kpow
Step-by-step explanation:
your welcome lol
Answer: I'm not quite there yet. lol
Subtract.
(-9r - 3) - (7r - 1)
Submit
Answer:
-16r -2
Step-by-step explanation:
plz brainliest :)
do you want an explanation?
the property tax in a certain country varies directly as assessed valuation. If a tax of $1,590 is charged on a single-family home assessed at $81,000, determine the property tax on an apartment complex assessed at $237,600.
Answer: $4,664
Step-by-step explanation:
Direct Variation can be set up as a proportion:
[tex]\dfrac{\text{Property Tax}}{\text{Assessed Valuation}}:\dfrac{1590}{81,000}=\dfrac{x}{237,600}[/tex]
Cross Multiply: x = 4664
Step-by-step explanation:
[tex]Answer: $4,664
Step-by-step explanation:
Direct Variation can be set up as a proportion:
\dfrac{\text{Property Tax}}{\text{Assessed Valuation}}:\dfrac{1590}{81,000}=\dfrac{x}{237,600}Assessed ValuationProperty Tax:81,0001590=237,600x
Cross Multiply: x = 4664
[/tex]
URGENT HELP THIS IS FOR DWREAD ONLY
Answer:
(-1,0) and (3,0)
Step-by-step explanation:
The x-intercepts are the points where the graph crosses the x-axis. (-1,0) and (3,0)
Andrew drew 20 drawings and 90 pictures how many times did he draw and painted
Answer:
110
Step-by-step explanation:
90 + 10
3. A farm has 40m of fence. What is the maximum area he can
enclose using 4 straight lengths of fence?
Answer:
160m squared
Step-by-step explanation:
I WILL GIVE BRAINLIEST!! PLEASE HURRY IM TIMED.
answer choices
A. -5/2
B. -2/5
C. -3/4
D. -4/3
Answer: A. -5/2
Step-by-step explanation:
Greg's found 72-24 first be subtracted 20 because he think it was easier.Use words and numbers to explain greg's answer
answer:
its correct as long as he subtracts 4 after that.
Step-by-step explanation:
That is because if you only subtract part of the first number, the answer will be wrong. and the question is also written a bit wierd.
6 points
15. Rectangle JKLM with vertices J(8, 11), K(14, 11), L(14,-4), and M(8,-4):
scale factor k = 1/3, centered of dilation at (5,2). What are the coordinates
of J'? *
Heeeelp I will give Brainlist
Answer:
first one
Step-by-step explanation:
Can someone help me
Answer:
3 cm
Step-by-step explanation:
First, we have to understand what happens if two shapes are similar. When two shapes are similar, the angles are equal in both. This means the sides will be in the same ratio from one shape to another.
[tex]\frac{7.2}{t}=\frac{9.6}{4}[/tex]
Using the equation above, we can find t. We use cross multiplication (ad = bc)
7.2 * 4 = 9.6t
9.6t = 28.8
t = 3 cm
In the figure below, angle y and angle x form vertical angles. Angle x forms a straight line with the 50° and the 40° angle.
Write and solve an equation to determine the measure of angle y.
Answer:
the answer is 60° I think
can you just answer this question?
Answer:
3 packs of water because its one one cent less then the other question
.25>.26
Step-by-step explanation:
These triangles are congruent by the triangle HELP FAST
Answer:
B. SAS
Step-by-step explanation:
Two sides of one triangle are congruent to two corresponding sides of the other triangle as shown in the figure.
The included angles are vertical angles, so they are congruent.
Answer: SAS
Find the absolute Value
-8
Answer:
8
Step-by-step explanation:
8 Because it is 8 jumps on a number line from 0.
Answer:
8
Step-by-step explanation:
The absolute value of a number is always the positive version of that numberSo, the absolute value of -8, is 8I hope this helps!
Estimate 43,059 ÷ 62 = 2. Estimate 11,117 ÷ 96 = 3. Estima.24,743 ÷ 54 =
Answer:
466.8490566
Step-by-step explanation:
use your calculator
PLEASE HELP ASAP!! Will give 20 points
You start with 100 dollars in your bank account. At your favorite coffee shop you purchase 7 lattes that cost 5 dollars each. Write an expression to describe how much money you will have left in your bank account after you buy 7 lattes. Use the letter n for your variable.
Write expression: __________
What is your balance after buying 7 Lattes
Answer:
7x5=M
*M is for Money*
7x5=35
100-35=
65 is the balance
What is the solution of the system of equations? (_,_)
Answer:
0, 5
Step-by-step explanation:
HELP PLZ HURRY .What is the solution to the system of equations?
a(5,0)
b(0,5)
c(0,-5)
d(-5,0)
Solve the system of equations.
-5x + 4y = 3
X = 2y - 15
Answer:
x=9
y=12
Step-by-step explanation:
. Substitute the given value of x into the equation so... -5(2y-15)+4y=3
. y=12
. Substitute the given value of y into the equation x=2y-15 so... x=2 x 12-5
. x=9
.The possible solution of the system is the ordered pair (x,y) so... (x,y)=(9,12)
HELP ME BABES!!!
Use the equation below to find P, (P=a+b+c)
if =a13, =b17, and =c7
Answer:
P = 37 lmk if u want me to explain how ;=;
Step-by-step explanation:
a=3, b=15, c=Pythagorean
theorem
Answer:
Step-by-step explanation: Given a=3 and b=15,
c = 3√26 = 15.297058540778
∠α = 11.31° = 11°18'36" = 0.1974 rad
∠β = 78.69° = 78°41'24" = 1.3734 rad
area = 22.5
perimeter = 33.297058540778
h =
15√26
26
= 2.9417420270728
Given: Parallelogram KLMN
Prove: ∠N≅∠L and ∠M≅∠K
Answer:
PLZ ANSWER FAST WILL GIVE 100 POINTS
Answer:
See attached
Step-by-step explanation:
The answer is in the attached picture below
PLEASE HELP ME ASAP!!!!!!!!!
Answer: B) 2&3
Step-by-step explanation:
7/3 is 2.33333 repeating which in a complete fraction is 2 1/3.
On a number line, your answer would between 2 and 3.