Answers
Answer:
=1.283 , 0.779 seconds
Step-by-step explanation:
h=2+33t-16t²
when h=18 ft
then18=2+33t-16t²
→ 16t²−33t+16=0
t= [−(−33)±√{(−33) ²−4×16×16)}]/(2×16)
= [33±√{1089−1024}]/(32)
= [33±√{65}]/(32)
=1.283 , 0.779 seconds
Related Questions
A health-food store owner buys new products for his store by borrowing against a credit line of $4,500 from one of his wholesale suppliers. He is usually given 9 months to pay the money back. The store owner borrows the full amount and is told by the supplier that his monthly payments will be $600 a. How much did the distributor pay back altogether? How much in interest did the distributor pay for the loan?
Answers
Answer:
Loan Amount= $4500
Monthly Payment= $600
9 months= $600*9= $5400
Interest = $5400-$4500= $900
Find the volume of the figure
Answers
Answer:
384
Step-by-step explanation:
L times W times H
Find the slope between two points:
(-2, 0) and (-9, 8)
Answers
Answer:
y = -1.14286x - 2.28571 (slope of the line is -1.14286)
Step-by-step explanation:
rational number and irrational number
Answers
Answer:
Rational numbers are the numbers that can be expressed in the form of a ratio (P/Q & Q≠0).
Irrational numbers cannot be expressed as a fraction. But both the numbers are real numbers and can be represented in a number line.
Step-by-step explanation:
Which of these animals swims at the lowest altitude?
emperor penguin: -1,500 feet
sperm whale: -6,500 feet
leatherback turtle: -4,200 feet
Weddell seal: -1,970 feet
Answers
Answer:
Sperm whale
Step-by-step explanation:
6500 feet is the greatest depth of the four
find the area of the figure
Answers
53 ft
Area of the small box is 9
Area of the big box is 44
Add them to get 53 ft in total
Body mass index, of 20-year-old men is normally distributed with a mean of 23 and a standard deviation of 3.8. Twenty-year-old Allan's BMI has a z-score of 1.25. What is Allan's BMI?
Answers
Answer:
Allan's BMI is 5.05
Step-by-step explanation:
Answer:
The correct answer is 27.75
Step-by-step explanation:
1.25•3.8+23 is the formula
1.25•3.8=4.75
4.75+23=27.75
So 27.75 is your answer
Which of the following functions has an exponential growth of 3%?
A. f(x) = 1500(0.03)^x
B. f(x) = 2500(3)^x
C. f(x) = 975(1.03)^x
D. f(x) = 300(0.97)^x
Answers
The price of a video game system dropped by 18%. What is the current price if it used to be $140?
Answers
Answer:
$114.80
Step-by-step explanation:
Multiply 18% and 140 to find the drop price.
.18 x 140= $25.20 now subtr. this from the original price
$140.00-$25.20=$114.80 is the sale price
y = x - 6
5x - 2y = -30
Answers
Answer:
(-14,-20)
Step-by-step explanation:
hope it helps!
Answer:
x=-14, y=-20
Step-by-step explanation:
In the Figure, △ABC ≅ △FDE
Answers
What is the chance that a given car has a problem with the fuel line if it is make D? A. 0.0078% B. 0.0110% C. 0.0080% D. insufficient data
Answers
Answer:
0.0110%
Step-by-step explanation:
Answer:
B 0.0110%
Step-by-step explanation:
can somebody plz help?
Answers
Answer:
what do you need I'm not the smartest person but I may be able to help :)
g(x) = -4 log2 (x + 2) +1
Answers
Answer: -2
x=-G-1= -2
4log(2)
Step-by-step explanation:
A teacher places 10 marbles in a bag.
- 2 blue marbles
- 3 red marbles
- 5 yellow marbles
A student draws one marble from the bag, does not replace it, then draws another marble from the bag. What is the probability that the first marble will be yellow and the second marble will be red?
Answers
Step-by-step explanation:
Since they do not replace it the total amount of marbles are the same
What are the coordinates of the image of AABC with center (0,0) and a scale factor of 3? Drag numbers to complete the coordinates.
Numbers may be used once more than once, not at all
Answers
Answer:
b=(14,8) A stays the same at (2,2) and C=(2,14)
Step-by-step explanation:
Answer:
Step-by-step explanation:
a(6,6) b(12.18) c(18,6)
help with math please will give brainliest
Answers
Answer:
I will helo you if you help mr
Step-by-step explanation:
Deal?
find the common ratio of 80, 20, 5
Answers
Answer:
The common ratio of the following sequence : 80, 20, 5,... is 1/4. Common ratio = 5/20 = 20/80 = 1/4
Step-by-step explanation:
A rectangular prism has a legnth of 9 in., a width of 4 in., and a height of 1 1/2 in.
The prism is filled with cubes that have edge lengths of 1/2 in.
How many cubes are needed to fill the rectangular prism?
Enter your answer in the box.
TO FILL THE RECTANGULAR PRISM, _____ CUBES ARE NEEDED
Answers
Answer:
432 cubes
Step-by-step explanation:
V = 9 x 4 x 1.5 = 54 in³
V = 1/2 x 1/2 x 1/2 = 1/8 in³
54/(1/8) = 432 cubes
PLEASE HELP WILL GOVE BRAINLY
Answers
Answer:
25.3
Step-by-step explanation:
if its just reflections, i dont think the length has changed at all,,
There is a 3 out of 20 chance that you can win a game. How many "wins" would you predict if you played the game 50 times?
Answers
Answer:
7.5
Step-by-step explanation:
The probability of winning = 3 out of 20 ;
P(winning) = 3/20
Predicted Number of winnings if game is played 50 times ;
P(winning) * number of games played
(3 /20) * 50
0.15 * 50
= 7.5
Predicted Number of winnings = 7.5
Answer:7.5
Step-by-step explanation:
first you want to clarify the numbers which is 3 and 20 and your chance is 3/20 which equals 7.5 but round to the nearest whole number so 8,
Reference angle of 2/15 pi
Answers
Answer:
Add
2
π
to
−
15
π
2
.
−
15
π
2
+
2
π
The resulting angle of
−
11
π
2
is coterminal with
−
15
π
2
but isn't positive. Repeat the step.
−
11
π
2
Add
2
π
to
−
11
π
2
.
−
11
π
2
+
2
π
The resulting angle of
−
7
π
2
is coterminal with
−
15
π
2
but isn't positive. Repeat the step.
−
7
π
2
Add
2
π
to
−
7
π
2
.
−
7
π
2
+
2
π
The resulting angle of
−
3
π
2
is coterminal with
−
15
π
2
but isn't positive. Repeat the step.
−
3
π
2
Add
2
π
to
−
3
π
2
.
−
3
π
2
+
2
π
The resulting angle of
π
2
is positive and coterminal with
−
15
π
2
.
π
2
Step-by-step explanation:
zorry if im wrong
Find l.
10 in.
l
b = [?] in.
6 in.
Answers
Answer:
By applying Pythagoras theorem
Answer is √[109] inch
3)
Which statement BEST describes V50?
A)
between 6 and 7
B)
between 7 and 8
between 8 and 9
mulas
D)
between 24 and 25
Answers
9514 1404 393
Answer:
B) between 7 and 8
Step-by-step explanation:
[tex]\sqrt{50}\approx 7.071068\qquad\textsf{between 7 and 8}[/tex]
__
If you're familiar with your times tables, you know that
7² = 49 and 8² = 64
The number 50 is between 49 and 64, so its square root is between √49=7 and √64=8.
The school buses at a middle school each hold 38 students. The school has, b, buses.
Write an equation that shows the total number of students, s, that can be carried by all of its buses.
Answers
Answer:
38bs
Step-by-step explanation:
multiply the number of students that each bus can hold by the no of buses 38s×b=38bs
Find the value of a, b, and c.
x2 – 5x – 14 = 0
Helpppp
Answers
Answer:
a = 1
b = -5
c = -14
Step-by-step explanation:
x² - 5x - 14 = 0
where,
a = 1
b = -5
c = -14
-TheUnknownScientist
Answer:
1
-5
-14
Step-by-step explanation:
hope it's helpful
Please help.
Is algebra.
PLEASE HELP NO LINKS OR FILES
Answers
Answer:
1st Question: D
2nd Question: Is either C or D
Hope this helps :)
identify the area of a regular decagon with side legnth 5 m
Answers
Answer: The area is 81.25 m²
Which of these is a simplified form of the equation 15x + 4 = 5 + 3x + 1x? (2 points)
0 3x = 9
0 3x = 11
O 11x = 9
0 11x = 1
Answers
Answer:
11x=1
Step-by-step explanation:
15x+4=5+3x+1x Bring everything with an x in front of it to the left side
15x-3x-1x+4=5 Simplify the x values
11x+4=5 Bring the 4 to the right side
11x=5-4
11x=1
5 x 1/9 x 8
please help
Answers
Answer:
4 4/9
Step-by-step explanation: