1. Los estudiantes de primer grado de la IE Miguel Grau son 184, si la relación entre los que usan anteojos y los que no usan es de 3/5. ¿Cuántos estudiantes usan anteojos?
Answer:
69 estudiantes.
Step-by-step explanation:
Sabemos que el número total de estudiantes en primer grado es 184.
También sabemos que la relación entre los que usan anteojos y los que no es 3/5.
Esta relación es igual al cociente entre el número de estudiantes que usan anteojos y el número de estudiantes que no usan anteojos.
Si definimos las variables:
A = número de estudiantes que usa anteojos
B = número de estudiantes que no usa anteojos.
Tenemos la relación:
A/B = 3/5
podemos reescribir como:
A = (3/5)*B
Y también sabemos que el número total de estudiantes es 184, entonces tendríamos que:
A + B = 184.
Podemos aislar B en esta segunda ecuación para luego reemplazarlo en la primera.
Aislando B obtenemos:
B = 184 - A
Si reemplazamos esto en la otra ecuación obtenemos:
A = (3/5)*B
A = (3/5)*(184 - A)
Ahora podemos resolver esto para A.
A = (3/5)*184 - (3/5)*A
A + (3/5)*A = (3/5)*184
A*(1 + 3/5) = (3/5)*184
A*(5/5 + 3/5) = (3/5)*184
A*(8/5) = (3/5)*184
A = (5/8)*(3/5)*184
A = 69
Podemos concluir que 69 estudiantes usan anteojos.
What the geometric mean of 4 and 8
(6 multiply 5)+(10 subtract 3)=
Answer:
37
Step-by-step explanation:
(6 × 5) + (10 - 3)
30 + 7
37
I will give brainliest if you help and it's correct!!
Answer:
b
Step-by-step explanation:
A pail has a capacity 4 times that of a glass.
A jug has a capacity 3 times that of a glass.
The total capacity of the glass, pail and jug is 24 liters.
What is the capacity of the smallest item?
What is the capacity of the biggest item?
Answer:
smallest is 3L
biggest is 12L
Step-by-step explanation:
here is what i got, i hope it helps!
Pail=4 glasses
Jug=3 glasses
Glass=1 glass
4+3+1=8glasses
24L÷8glasses= 3L in each glass
pail=12L (4×3)
jug=9L (3x3)
glass=3L (1×3)
12L+9L+3L=24L
HELLP QUICK!!!!! A store manager wishes to investigate whether there is a relationship between the type of promotion offered and the number of customers who spend more than $30 on a purchase. Data will be gathered and placed into the two-way table below. Customer Spending by Promotion Run Customers Spending More than $30 Customers Spending $30 or Less $10 off $50 15% off $5 off $25 Buy-1-Get-1 Half Off Which statement best describes how the manager can check if there is an association between the two variables? The manager must check relative frequencies by row because there are more than two different promotions. The manager must check relative frequencies by column because there are more than two different promotions. The manager cannot use relative frequencies to look for an association because there are more than two different promotions. The manager should check both relative frequencies by row and by column to look for an association.
Answer: Ok so the answer should be D. The manager should check both relative frequencies by row and by column to look for an association.
Step-by-step explanation:
Write an expression for "the difference of 6 and k."
Answer:
6-k
Step-by-step explanation:
difference is subtraction so it is 6-k
Use the vertical-line test to determine whether each relation is a function
Answer:
a) No
b) Yes
Step-by-step explanation:
Move your finger (or pencil) from left to write over the graph. It shouldn’t cover two points at the same time.
In other words, each x-value should not have more than one y-value. So...
a) No - not a function
b) Yes - a function
What is the solution to this equation 4x=124
Answer:
31
Step-by-step explanation:
divide 124 by 4
x=124
Answer:
x=31
Step-by-step explanation:
Divide both sides of the equation by the same term
4x/4 = 124/4
Then you have to divide the numbers.
x= 124/4
x= 31
Simplify
(7x^2 - 11 + 16x) + (5x - 3x^2 - 7)
Answer:
4x^2 + 21x -18
Answer:
4x^2 + 21x -18Hope it helps ❤️
Work out m and c for the line:
y = x + 6
Step-by-step explanation:
Given equation
y = x + 6
Comparing the given equation with y = mx + c so
slope (m) = 1
y-intercept (c) = 6
Hope it will help :)❤
Connie deposits $30 into an account. The value of the account, in dollars, can be modeled as V (t) = 30(1.05), where t is the time, in years, since opening the account.
To the nearest cent, what is the average rate of change in the value of the account for the first 3 years?
A
$0.63/year
1.
B
$1.58/year
le:
wi...
m
my
b...
С
$3.15/year
D
$4.73/year
Answer:
Step-by-step explanation:
The average rate of change in the value of the account for the first 3 years
is $1.58.
What is an exponential function?When the independent variable is in the power of some function we call them an exponential function, For example, [tex]e^x[/tex] is an exponential function.
Given, The value of the account, in dollars, can be modeled as
[tex]V(t) = 30(1.05)^t[/tex].
Now at t = 3 or after 3 years, it is [tex]V(t) = 30(1.05)^3[/tex].
V(3) = $34.73 and he initially deposited $30.
So, The average rate of change is $(34.73 - 30)/3 = $(4.73)/3 = $1.58.
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3. Write an equation of a line with a slope of
-2 and that passes through the point (-7,13).
Answer:
y= -2+13
Step-by-step explanation:
You're Welcome - BigThiccDaddy21
Solve for x.
13(215x−23)>x+15
x<−1943
x<1943
x>−1943
x>1943
Answer: x<-1943
Step-by-step explanation:
Answer:
I got you.
Step-by-step explanation:
There are 224 gallons of water in 16 tanks.
Find the number of gallons of water per tank
Answer:
14 gallons
Step-by-step explanation:
224/16 = 14
Answer:
The answer is B.
Step-by-step explanation:
Find the volume of the prism below.
Answer:
1920 yd³
Step-by-step explanation:
Answer:
1920
Step-by-step explanation:
B x W x H x 1/2(Since triangle and not cubed)
Can you add 4r + 4rg?
Explain why or why not.
Answer:
no, because 4r does not have the g variable.
Step-by-step explanation:
math quick i need help hurry 15 points :)
Answer:
B
Step-by-step explanation:
I don't know how to explain it but
10/2=5 (Driver A)
20/2= 10 (Driver B)
Sorry if it's not right
Which expression is equivalent to 16 + 2 ⋅ 36?
What is the greatest common factor of 24 and 6?
A. 6
B. 4
C. 2
D. 3
PLZ HELP ASAP
your consortium class raised $30 for gifts for Jefferson Elementary, which is 60% of the goal, what is 100% of the goal?
Plz help! Pretty easy problems!
Answer:
The first is 9 sq.units
The second is 8 sq units
The third is 180mm squared
Step-by-step explanation:
Andy is going to lay turf in his father’s garden
He needs to cover an area of 6000mm by 4500mm,
Answer:
6000 x 4500 = 27000000
Step-by-step explanation:
On Tuesday morning Cody went to the gym and worked out for 1 3/5 hours
what is the value of x ?
Answer:
the letter "x" is often used in algebra to mean a value that is not known yet. It is called a 'varaible' or sometimes unknown.
Answer:
It is 65, B
Step-by-step explanation: because 180-115=65 tell me if you dont get it
Sam and his mom arrive at the doctor’s office at 2:30 p.m. They see the doctor at 3:10 p.m. How long was their wait?
Answer: 40, have a great day!
Multiplying Monomials and Binomials
The dimensions of a rectangle
are x + 3 and x + 2. Which
expression represents the
area of the rectangle?
a) x2 + 6
b) x2 + 5x + 6
c) x² +6x + 6
d) x² + 6x
Answer:
A) x2+6
Step-by-step explanation:
need help pls will mark brainliest
Answer:
y = (2/7)x - 7
Step-by-step explanation:
Each student in Mrs. Knott's class is making a miniature kite. The teacher needs to know how much fabric will be needed to cover the front of each kite. Find the area of the kite. BD = 16 inches, BE 8 inches, CE = 15 inches, and AE = 6 inches
These box plots show the basketball scores for two teams.
A. The Wolverines' distribution is negatively skewed, but the
Panthers' distribution is symmetric.
O B. Both distributions are symmetric.
C. Both distributions are negatively skewed.
D. The Wolverines' distribution is positively skewed, but the Panthers'
distribution is symmetric.
Answer: Its A
Step-by-step explanation:
have a great day!
The Wolverines' distribution is negatively skewed, but the Panthers' distribution is symmetric , Option A is the correct answer.
What is a Box Plot ?Box plot is a systematic way of distribution of data in a five number summary , minimum, first quartile , median, third quartile , and maximum .
The box plot is said positive skewed when the mean of the plot is greater than the median and the mean is more towards the lower quartile.
The box plot is said positive skewed when the mean of the plot is less than the median and median is towards the upper quartile.
In the box plot given it can be seen that the Panther's have a symmetrical box plot while , The Wolverines' distribution is negatively skewed .
Therefore , Option A is the correct answer.
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