Answer:
t = 1.5 s and s(t) = 36 feet
Step-by-step explanation:
The height reached by an object as a function of time t is given by :
[tex]s(t)= -16t^2+48t[/tex] ...(1)
t is in seconds
To find the maximum height, put [tex]\dfrac{dh}{dt}=0[/tex]
[tex]\dfrac{d( -16t^2+48t)}{dt}=0\\\\-32t+48=0\\\\t=\dfrac{48}{32}\\\\t=1.5\ s[/tex]
It will take 1.5 seconds to reach its maximum height.
Put t = 1.5 s in equation (1), such that,
[tex]s(1.5)= -16(1.5)^2+48(1.5)\\\\s(t)=36\ \text{feet}[/tex]
The maximum height reached by the object is 36 feet.
Prove that:
( sec 4A - 1 ) / ( sec 2A - 1 )
=
tan 4A . cot A
Pls Help Pls Help Pls Help Pls Help Pls Help Pls Help Pls Help Pls Help Pls Help Pls Help Pls Help Pls Help Pls Help Pls Help Pls Help Pls Help Pls Help Pls Help Pls Help Pls Help Pls Help Pls Help Pls Help Pls Help Pls Help Pls Help Pls Help Pls Help Pls Help Pls Help Pls Help Pls Help Pls Help Pls Help Pls Help Pls Help Pls Help Pls Help Pls Help Pls Help Pls Help Pls Help Pls Help Pls Help Pls Help
Answer:
sec 1A = tan 2A
Step-by-step explanation:
BABAOEY
Tommy can exchange 8 euros for 11 dollars.
At this rate, how many dollars can Tommy get with 12euro
Answer:
9 dollars and 40 cents
Step-by-step explanation:
Answer:
It is 9 dollars and 40 cents :)
what is 25,000,000 x 25,0000 = what
Answer: 6.25^12
Step-by-step explanation:
What’s the answer??????
Answer:
720 gallons
Step-by-step explanation:
First, find how many gallons are cleaned per hour.
You can use a ratio:
36 gallons = x gallons
1/4 hour 1 hour
Cross multiply:
36 (1) = 1/4x
36 = 1/4x
(36 = 1/4x) (4/1)
144 = x
x = 144
Then, use this info to find how many gallons per 5 hours.
You can use a ratio:
144 gallons = y gallons
1 hour 5 hour
Cross multiply:
144 (5) = 1y
720 = y
y = 720
There are 720 gallons cleaned per 5 hours.
What is the product of |(−12)3 ÷(14)2|
Answer:
1.29
Step-by-step explanation:
-12x3=-36
14x2=28
-36/28=-1.29
I-1.29I
Answer:
0.428571428571
Step-by-step explanation:
|-36/84|
|-0.428571428571|
0.428571428571
Simplify: (7xy5)2 (I just forget what to do)
Answer:
49x^2 y^10
Step-by-step explanation:
Step 1- 7^2 * x^2 (y^5)^2
Step 2- 49x^2 7 ^5*2
Step 3- 49x^2y^10
The gravitational potential energy of an object is given by the formula P = mgh.
Which equation is correctly solved for the height, h?
h = P + mg
h = P - mg
h = P/mg
h = Pmg
Answer:
c
Step-by-step explanation:
....................
Mary is making some shirts for her school's drama department. The fabric store has 3 1/6 yards of the fabric she wants in stock. But this quantity of fabric can make only 1 1/3 shirts. What length of fabric does Mary need to buy if she wants to sew 2 shirts?
A.
3 5/6 yards
B.
3 3/4 yards
C.
2 3/8 yards
D.
1 1/6 yards
Answer:
A. 3 5/6 yards
Step-by-step explanation:
..........
One night a theater sold 548 movie tickets. An Adult’s ticket costs $6.50 and a child’s ticket cost $3.50. In all $2881 was taken in. How many of each kind of ticket were sold?
Step-by-step explanation:
let x be the number of adults and y the number of childrens
x+y=548 people because thats the whole number of sold tickets
and
6.50*x+3.50*y=2881 dollars in total
let separate x from the first formula
x=548-y
and replace it at the second equation
6.50*(548-y)+3.50y=2881
6.50*548-6.50y+3.50y=2881
3562-3y=2881
3y=681
y=227
so x=548-y=548-227=321
there were sold 321 adult tickets and 227 child's tickets.
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Answer:
this sentence is grammatically incorrect
lol
Answer:
Thanks for the points luv
Step-by-step explanation:
Have a good day/night :)
Brainliest pls?
Nico earns $12.50 per hour as a math tutor. Show that the relationship between the amount he earns and the number of hours he tutors is a proportional relationship. What is the constant of proportionality (k). Then write the equation for the relationship.
Answer:
12.50k
Step-by-step explanation:
I came to this answer as k is the number of hours, and 12.50 is how much per hour.
4x5x6x-31x2+10x1+6x2-4=
Answer:
it should be 196 or =4x12−25x2+10x−4
Step-by-step explanation:
What is the slope of a line perpendicular to the line whose equation is 2x+8y -64 Fully reduce your answer.
Answer: I am pretty sure it is y=-1/4x-8. Hope this helps!
Step-by-step explanation:subtract the 2x from both sides which gives you 8y=-2x-64. Then you want to divide both sides by 8 to get y=-1/4x-8
what is 3n-22= -20
Answer:
n = 2/3
Step-by-step explanation:
3n - 22 = -20
Add 22 to both sides
-20 + 22 = 2
3n = 2
Divide both sides by 3
2 / 3 = 2/3
n = 2/3
Let me know if I've done something wrong :)
Answer:
[tex]n = \frac{2}{3}[/tex]
Step-by-step explanation:
Add 22 to each side, so it now looks like this: 3n = 2Divide each side by 3 to cancel out the 3 next to n. It should now look like this: [tex]n = \frac{2}{3}[/tex]I hope this helps!
what is 234 divided by 21 plz help
Answer:
11 r 3
Step-by-step explanation:
I think this the answer not too. Hope this helps u.
Please help me solve step by step
solve V = lwh for w
1.
2.
3.
4.
A particular toddler has an average nap of 2 and half hours. Nap time can vary by about 15 minutes. Write and solve an absolute value inequality that represents this situation.
Step-by-step explanation:
CORRECT ANSWER WILL BE MARKED BRAINLIEST!
Find the constant rate of change for the representation.
Jazmina brought home a plant. She kept record of the plant's height in her journal over the summer. The following are a few of her journal entries:
Day 3: 15.75 inches Day 6: 19.5 inches
Day 10: 24.5 inches Day 11: 25.75 inches
Day 16: 32 inches Day 21: 38.25 inches
Answer:
The plant grows approximately 1.25 in. per day.
Step-by-step explanation:
subtraction property of equality
Use the conditional statement "If it is January, then there is snow." for questions 17 - 18.
17. Identify the hypothesis:
18. Identify the conclusion:
Answer:
Hypothesis: It is January
Conclusion: There is snow
Step-by-step explanation:
COnditionals are in the form If p, then q.
P is the hypothesis.
Q is the conditional.
If (It is January), then (there is snow).
If and then are not included in the hypothesis and conclusion, respectively.
Hypothesis: It is January
Conclusion: There is snow
What is Hypothesis and Conclusion ?
The hypothesis is the first, or “if,” part of a conditional statement. The conclusion is the second, or “then,” part of a conditional statement. The conclusion is the result of a hypothesis. Hypotheses followed by a conclusion is called an If-then statement or a conditional statement. This is noted as. p→q. This is read - if p then q. A conditional statement is false if hypothesis is true and the conclusion is false.
Conditionals are in the form if P, then Q.
P is the hypothesis.
Q is the conclusion.
If It is January, then there is snow.
Read more about Hypothesis and Conclusion at:
https://brainly.com/question/5497883
#SPJ2
A number "s" is subtracted from seven. When the result is divided by three, the quotient is two. What is the number?
Answer:
13.
Step-by-step explanation:
Here's the equation you can write:
s-7/3=2
s-7=6
s=13
HaEeiiekekekekekek HELP PLEASS
Answer:
She could arrange the books based on their number. She could start from the smallest number and then move onto the biggest number .
Step-by-step explanation:
Construction of segments angles and bisectors
What are the steps for using a compass and straightedge to construct a line through point X that is parallel to line r?
Answer:
What are the steps for using a compass and straightedge to construct a line through point X that is parallel to line r? Drag the steps and drop them in order from start to finish. Use the straightedge to draw a line s that passes through X and intersects line r. Label the point of intersection as point Y.
Step-by-step explanation:
Answer:
1. Use the straightedge to draw a line s that passes through X and intersects line r. Label the point of intersection as point Y.
2. Place the point of the compass on point Y and draw an arc that intersects lines r and s. Label the intersections as points M and N.
3. Without changing the width of the compass opening, place the point of the compass on point X and draw an arc that intersects line s. Label the intersection as point P.
4. Place the point of the compass on point M and open it to width MN.
5. With the compass opening set to width MN, place the point of the compass on point P and draw an arc that intersects the arc that was drawn from point X. Label the intersection of the arcs as point Z.
6. Use the straightedge to draw XZ.
Step-by-step explanation:
Verified correct with test results!!
Rachel is a veterinarian. She charges $20 as a base and $10 for each animal that she vaccinates.
Let x be the number of animals vaccinated and y be the total amount charged. Write the equation.
Answer:
Step-by-step explanation:
y = total number charged.
x = number of animals vaccinated.
If she charges $20 as a base, this means it is a constant value.
She also charges $10 for each animal vaccinated, this can be written as 10x.
Therefore the equation for the total number charged (y) can be written as:
Total amount charged = $20 + $10 for every animal vaccinated.
y = 20 + 10x
20 POINTS AND 5 STARS
Answer:
C) D)
Step-by-step explanation:
Write the linear equation in slope-intercept form and simplify.
5x – 3y = -19
Answer:
y = 5/ 3 x + 19/ 3
Step-by-step explanation:
Slope-intercept form, y = m x + b .
Answer:
y=5/3x+6 1/3
Step-by-step explanation:
To get into y-intercept form you need to get y alone...
5x-3y=-19 subtract the 5x
-3y=-5x-19 divide by -3
y=5/3x+19/3 simplify
y=5/3x+6 1/3
What is 14/20 as a percent
Remember 'bout :
Percent is /100
So :
14 ×5 70
-------- = ----- -
20×5 100
70 %
Im sorry if im wrong
what is 30 divided by 890
Answer: 0.0337
Step-by-step explanation:
Answer:
The answer is 3/89 as a fraction or 0.03370786517 as a decimal
Please help me I actually don’t know the answer
Answer:
the % sign on 3 thats true
Answer:
2. C, D, and A
3. True
Step-by-step explanation:
|x| +6>8 pls help its due by midnight
Answer:
x< -2 or x>2
Step-by-step explanation:
subtract 6 from both sides to get |x|>2.
From here, we know that x can either be negative or positive.
The positive version will just be the equation itself, or x>2
The negative version is that equation flipped, or x<-2
Answer:
Step-by-step explanation:
Move the constant to the right and then calculate then separate into your possible cases find the intersection then find the union