Answer:
25 students
Step-by-step explanation:
Let x = no. of students in the class
.6x = no. of students that use TT
.2(.6x) = no. of students that post videos
.2(.6)x = 3
.12x = 3
x = 25 students
If a driver drives at a constant rate of 38 miles per hour, how long would it take the driver to drive 209 miles?
Answer:
5 hours and a half!
Step-by-step explanation:
209miles divided by 38 miles per hour is 5.5!!
Find the sum of the first 20 terms of the sequence 2,8,14,20
Answer:
S20=230Step-by-step explanation:
2,8,14,20first determine whether it is arithmetic progression or geometric sequence. for APCommon difference (d) = second term - first termD=T2-T1 D=T3-T2
D=8-2 D=14-8
D=6 D=6
Also try for GP COMMON RATIO= T2/T1r=T2/T1 r=T3/T2
r=8/2 r=14/8
r=4 r=7/4
therefore, we can conclude that this is AP since we have the same common differences in the sequence Sn=n/2[2a+(n-1)]. where, a=first term n=number of terms S20=20/2[2*2+(20-1)] S20=10(4+19) S20=10(23) S20=230Answer: 1180
Step-by-step explanation:
since its going 2,8,14,20, we can see it goes up by 6 every time Add 6 every time until u have 20 Numbers in total(including 2,8,14,20) then add them together to get ur total
17. Mrs. King took 12 crates packed with lunch boxes on a field trip. Each crate had 6 lunch boxes inside. How many lunch boxes were there altogether? Write a multiplication sentence to solve. IRROR
Answer:
12 x 6 = 72
Step-by-step explanation:
if she took 12 crates each with 6 boxes inside of them thats 12 x 6 lol
simple math moment
Jesse has three one-gallon containers. The first
3
one has of a gallon of juice, the second has
gallon of juice and the third has of a gallon of juice.
How many total gallons of juice does Jesse have?
Step-by-step explanation:
Total gallons of juice = No. of containers x one gallon of juice
= 3x1
= 3 gallons of juice
Answer #1 please ASAP
Answer:
4.5
Step-by-step explanation:
To find the median, put the data in order from smallest to largest
1,2,2,3,4,4,5,5,8,10,10,11
The count up the number of data points
12
Divide by 2
12/2
Split the data into 2 groups, 6 in each, starting at the beginning
1,2,2,3,4,4, 5,5,8,10,10,11
Since there is an even number
Add the last number in first group and the first number in the last group and divide by 2
(4+5)/2 = 9/2 = 4.5
The median is 4.5
Oscar ran the 100-yard dash in 12.65 seconds. Jesiah ran the 100-yard dash in 11.57 seconds.
How many seconds faster was Jesiah's time than Oscar's time?
Jesiah's time was faster than Oscar's time by seconds.
Answer:
Jesiah's time was faster than Oscar's time by 1.08 seconds.
Step-by-step explanation:
To find how much faster Jesiah ran than Oscar, subtract Oscar's time with Jesiah's time.
12.65 - 11.57 = 1.08
Jesiah was faster than Oscar by 1.08 seconds.
Good luck ^^
Use the given information to find the new price. Round to the nearest cent.
Original Price: $28
Discount Rate: 28%
Answer:
Step-by-step explanation:
7.84 = 8.
Answer:
Original Price: $28
Discount Rate: 28%
new price=?
we have
discount:
28% of 0riginal Price=28/100×$28=$7.84
now
new Price=original -discount price=$28-7.84=$20.16 is your answer
Valerie and Bret have a total 18 dog show ribbons. Bret has twice as many ribbons as
Valerie
How many ribbons does each have?
no
Answer: Valerie has 9 and Bret has 18
Step-by-step explanation:
27-18= 9
Emiliano firmó hoy un pagaré por la cantidad de $ 92.000. la tasa de interés estipulada es un 20% anual
Cuantos dias se necesitan para los intereses de la playa $ 8.000
Answer:
159 días.
Step-by-step explanation:
Dado que Emiliano firmó hoy un pagaré por la cantidad de $ 92.000 a una tasa de interés estipulada de un 20% anual, para determinar la cantidad de días que se necesitan para que dicho interés genere unos $8.000 se debe realizar el siguiente calculo:
92.000 x 0.2 = X
18.400 = X
18.400 / 365 = 50,41
8.000 / 50,41 = X
158.69 = X
Así, se necesitarán 159 días para que se generen $8.000 en intereses.
The length of a room is 19 feet. When using a 1/4 inch = 1 foot scale, what would be
the length of the wall on a floor plan?
Answer:
1 Expert Answer
19.5 ft would be represented, in the floor plan, as ¼ of 19.5 inches, i.e. 4.875 inches (four and seven eighths inches).
Please like and give me brainliest and rate!
please help me i really need help please please please
According to order of operations, which operation should be done first in this
problem:
45 - 9.5 + 8
a. multiplication
b. addition
c. division
Two methods, A and B, are available for teaching a certain industrial skill. The failure rate is 30% for method A and 10% for method B. Method B is more expensive, however, and hence is used only 20% of the time. (Method A is used the other 80% of the time.) A worker is taught the skill by one of the two methods, but he fails to learn it correctly. What is the probability that he was taught by using method A
Answer:
Probability that he was taught by using method A is 14/17
Step-by-step explanation:
Following probabilities are given -
P (F|A) = 0.2
P (F|B) = 0.1
P (A) = 0.7
P (B) = 0.3
Now, P(A|F) = { P (F|A)* P(A)}/{{ P (F|A)* P(A)} + P (F|B)* P(B)}}
P(A|F) = (0.2*0.7)/( (0.2*0.7)+(0.1*0.3)) = 14/17
Use f(x)=-2x+5 to find x when f(x)=11
After simplifying, what will x be equivalent to?
a2a4=ax
Answer:
x=8a
Step-by-step explanation:
Given data
We have the expression
a2a4=ax
Simplifying the LHS(Left Hand Side)
8a^2=ax
8a=x
Hence x will simplify to
x=8a
What is the equation of a vertical line passing through the point (3, −5)? y = −5 x = −5 y = 3 x = 3
Answer:
Step-by-step explanation:
x = 3
Combine the like terms to create an equivalent expression.
2q+2+9
Answer:
the answer is 2q + 11 because 2 and 9 are like terms so you can add them
Answer:
2q+11
Step-by-step explanation:
khan said so
Devon can take one of three different buses to and from work (bus a, b or c). he randomly catches one bus in the morning and another one on teh way home. teh table list the sample space of outcomes
Answer:
BB
Step-by-step explanation:
Answer:
ca
Step-by-step explanation:
The lengths of the sides of a triangle are 3, 4, 5. Can the triangle be a right triangle?
Answer:
Yes
Step-by-step explanation:
3²+4²=5²
9+16=25
25=25
Does anyone know how to do both of these questions?
Answer:
Step-by-step explanation:
PLEASE HELP !! ILL GIVE BRAINLIEST !!
Answer:
<HIK to <GFD
Step-by-step explanation:
Alternate exterior angles are angles that are on the exterior sides alternately on a transversal
Answer:
∠HIK and ∠GFD
Step-by-step explanation:
Alternate exterior angles are angles that lie on the same parts of the parallel lines, but on alternate (different) sides.
∠HIK is on the lower left.
∠GFD is on the upper right.
Determine the ordered pair of the y-intercept of the function below:
y= x2 + 4x – 8
Answer: If you want to graph it this is ez (0, -8)
Step-by-step explanation:
Catherine got 9 3/8 pounds of cherries from her tree this year last year she only got 6 1/4 pound how many times more pounds did she get this years than last year
Answer:
Answers and steps are in picture.
Evaluate A2-B2 for A = 3 and B = -4.
O-2
0-7
Lenovo
Answer:
3×2+(-4)×(-2)=6+8=14
write 75 as a product of prime factors
helpppp quckkkkk is timeddddd i will give brainliest to whos quickest and right
Answer:
A if I'm wrong I apologize
help please need asap
Answer:
4.5
Step-by-step explanation:
4 * 1.5 = 6
3* 1.5 = 4.5
Use the commutative property write an equivalent expression.
7 + 8 =
Answer:
8 + 7
Step-by-step explanation:
By the commutative property,
7 + 8 = 8 + 7
2. Determine whether segment AB is tangent to the given circle
12 pol
2. AB
А
12
B
13
Yes
No
Answer:
no
Step-by-step explanation:
13² should be equal to 4² + 12² for that
checking, we get that 169 is not equal to 16+144= 160
so it's not right angle
to be tangent, it should be right angle
Please tell me if I got it right
Answer:
1/9
Step-by-step explanation:
1/3 / 3 = 1/9
she will run 1/9
jog 1/9
and walk 1/9
to check all of them equal 1/3
1/9+1/9+1/9 = 3/9 = 1/3