Answer: 2718
Step-by-step explanation:
Given: Mean score = 85
Standard deviation = 5
Let x be the score of a random student that follows normal distribution.
Then, the probability that a student scored between 90 and 95 will be
[tex]P(90< x < 95)\\\\=P(\dfrac{90-85}{5}<\dfrac{x-\mu}{\sigma}<\dfrac{95-85}{5})\\\\= P(1< z< 2)\ \ \ \ \ [z=\dfrac{x-\mu}{\sigma}]\\\\=P(z<2)-P(z<1)\\\\=0.9772-0.8413\\\\=0.1359[/tex]
The number of students scored between 90 and 95 = 0.1359 x (Total students)
= 0.1359 (20000)
= 2718
Hence, The number of students scored between 90 and 95 = 2718
Haley is hanging molding around a rectangular window. The window measures 2 feet by 3 feet.
How much molding should Haley buy?
Answer:
10 feet
Step-by-step explanation: 2+2=4 3+3=6 4+6=10
The number sentence 4×6 = 6×4 is an example of what property?
Answer:
Multiplication property of equality
Step-by-step explanation:
Graph a line with a slope of 1 and a y-intercept of 4.
Answer:
Step-by-step explanation:
Plot the y-intercept (0, 4). Starting at (0, 4), move your pencil point 1 space to the right, to (1, 4), and from (1, 4) up 1 space to (1, 5). Draw a straight line through (0, 4) passing through (1, 5) also.
How do you find the original price from a coupon or discount?
Answer: ,GJHGFHJGJH HJGLHGLKG HKLGKL G LKJKJLGKJGKGKJKKJ K
Step-by-step explanation:
Neil has 2 pounds of grapes. He uses some to make a fruit salad. Now Neil has 8 ounces of grapes. How many ounces of grapes does Neil use for the fruit salad?
Answer:
Neil uses 24 ounces of grapes for the fruit salad.
Step-by-step explanation:
Quantity of grapes = 2 pounds
Use 1 pound = 16 ounces
So,
Quantity of grapes = 2(16) = 32 ounces
Neil uses some grapes to make a fruit salad. Now Neil has 8 ounces of grapes.
Quantity of grapes that Neil use for the fruit salad = [tex]32-8=24[/tex] ounces
Therefore,
Neil uses 24 ounces of grapes for the fruit salad.
IVIIxed N
Douglas was planting grape vines. He completed 2-
rows of
grapes
each hour he worked. After completing 140 rows of grapes, how many
hours had he worked?
0000
48 hours
50 hours
52 hours
60 hours
Answer: He completes 2 4/5 rows per hour
if he completed 140 rows, how many hours did it take?
We should divide the work completed by the amount of work done per hour.
So, 140/(2 4/5) =
2 4/5 is equivalent to 2.8
so 140/2.8 = 50 hours
Step-by-step explanation:
help me please i have no idea what i’m doing
Answer:
1. 5
2. 5/3
3. 4.5
4. 21
5. 10
6. (-12
7. (-1.5
hi anyone tell me the answer
Answer:
x= 136 degree ( being vertically opposite angle)
Answer:
x = 136
Step-by-step explanation:
x and 136 are vertical angles and congruent, then
x = 136
Kim got 82%, 75%, and 74% on the first 3 tests.
What grade does she need on the 4th test to have an average of 80% on all 4 tests?
A. 77%
B. 80%
O c. 85%
D. 89%
E. 100%
Answer:
C
Step-by-step explanation:
Add all percentages together, then divide by how many you added.
Answer:
C
Step-by-step explanation:
A fruit sekker buts 50 boxes of mangoes each containing 100 m mangoes at the rate of ₹1200 per box he sells each mangoes for ₹20 find his total profit and profit %
Answer:
₹40000, 66.6%
Step-by-step explanation:
Given data
Number of boxes= 50
Cost per box= ₹1200
Total cost= 50*1200= ₹60000
Total number of mangoes in all 50 boxes= 50*100= 5000 mangoes
Cost price per mago= 60000/5000= ₹12
Selling price per mango= ₹20
profit = selling price- cost price
profit= 20-12
proft= ₹8
Total profit = 8*5000
Total profit= ₹40000
%profit = 40000/60000*100
%profit= 0.666*100
%profit= 66.6%
The standard form of y = 5(x + 4)(x + 5) is
Answer:
mark me as brainliest plz
Answer:
21 is Correct answer hope you will like it
help again i need help
Answer:
2.25
Step-by-step explanation:
32 divided by 14 2/9
can I please have brainiest
Las medidas interiores de una piscina portátil cilíndrica son 0.85 m de radio y 0.60 m de altura.
¿Cuántos litros de agua le caben?
Answer:
es ovio
Step-by-step explanation:
investiga xd xd xd
What angle is the picture classified as?
Answer:
I think it's non of these.
PLEASE PLEASE HELP IM BEGGING
ALGEBRA 2:
my brain can’t handle this please i’m begging 35 points!! + brain lies
Answer:
Batoon you okay U-Pack guitar a Jeffrey vaginas how much are I guess you're everything
WHAT VALUE ARE SOULTIONS TO X<7
Answer:
h M dan MB URL e5kei5
Step-by-step explanation:
h NBC qy2 il e5jrs
What is y -0.12y ???
Answer:
ill look for you
Step-by-step explanation:
Answer:
Step-by-step explanation:
y-0.12y = 0.88y
What is the surface area of a sphere with radius 4?
A. 16 units2
B. 12x units 3
C. 3290 units2
D. 644 units2
Answer:
a
Step-by-step explanation:
you need to divide the entire amount of
The area of a billboard sign is represented by (x+12)^2 square feet. Find the product
Pedro tiene 335 en monedas de 5 y de 10, si en total tiene 52 monedas ¿cuantas monedas tiene de cada una?
ayuda por favor
Answer:
37 monedas de $5 y 15 monedas de $10
Step-by-step explanation:
37 x 5 = 185
15 x 10 = 150
185 + 150 = $335
What is the area of cross-section ADGF of this right rectangular prism?
A.
20 square units
B.
48 square units
C.
52 square units
D.
65 square units
Answer:
C.52 square units
Step-by-step explanation:
We are given that
Length of cross-section ADGF,l=13units
Length of cross-section ADGF, b=4 units
We have to find the area of cross-section ADGF of this right rectangular prism.
We know that
Area of rectangle=[tex]l\times b[/tex]
Using the formula
Area of cross-section ADGF of this right rectangular prism
=[tex]13\times 4[/tex]
Area of cross-section ADGF of this right rectangular prism=52square units
Option C is correct.
C.52 square units
Answer:
i hope this helps
Step-by-step explanation:
Round 0.9271 to the nearest whole number.
Answer:1
Step-by-step explanation:
Because 9 is a rich numbers uwill borrow one to the other side so it will become 1.0000
Answer:
1 is round off of 0.9271to the nearest whole number.
1 pts
An adult blue whale can eat about 102,000,000 krill a day. Write this number in
scientific notation.
Please help me with this
Answer:
1/5
Step-by-step explanation:
Hi there!
To find the answer, use inverse operations to solve.
Multiply 7/15 by 3/7 to isolate the unknown number.
7/15 * 3/7 is equal to 0.2, which can be simplified into fraction form as 1/5.
I hope this helps!
:)
Find the simplest form
2 2
+
9.7
there's a random space in between the 2 and 2. not sure if it's meant to be 2.2 or 22 but i'll do both.
2.2 + 9.7 = 11.9
22 + 9.7 = 31.7
Examine this expanded form.
1
(a)(a)(a)(a)(a)(a)
Which is the expression in exponential form?
6-a
6a
a-6
6a-1
Answer:
*drumroll* It's C. a-6,babes <33
Step-by-step explanation:
Did this in Edge,hope it helps >3<
Answer:
C
Step-by-step explanation:
edge 2021
Compute the scale factor, as a percent, for each given relationship. Drawing 1 to Drawing 2.
A) 210%
B) 47.61%
C) 2.1
D) 0.47169
Need help and fassttttttt!!!!!plzzz
Answer:
D)0.47160
Step-by-step explanation:
I think correct me of I'm wrong
what 5/8x + 1/2 (1/4x + 10)?
Write the polynomial below in the factored form.
y=x³+10x²+25x
y=[?](x+[ ])²
Answer:
apsppspspppp9ğpğğ999
