Answer:
81 units
Step-by-step explanation:
Given data
We are given the function for the height, the height is a function of time t
h=-16t^2+75t
Hence for t= 3 , let us substitute and find the height h
h=-16(3)^2+75(3)
h= -16*9+ 225
h= -144+ 225
h= 81
Hence the height at 3 seconds is 81 units
For which of the following inequalities is x ≥ 5 a solution?
1. x + 5 ≥ 10
2. 5x ≥ 10
3. x - 5 ≥ 10
Answer:
1
Step-by-step explanation:
if you were to solve for x you would get the same as [tex]x \geq 5[/tex] because you would subtract 5 from each side and 10-5=5
Gabrielle is 10 years younger than Mikhail. The sum of their ages is 40. What is Mikhail's age
Answer:
Mikhail is 25 and Gabrielle is 15
Step-by-step explanation:
g = (m-10) and g+m = 40
We'll substitute that first equation into the second
(m-10) + m + 40
2m - 10 = 40
2m = 50
m = 25
Answer:
A) G +10 = M
B) G + M = 40
A) G -M = -10 Adding A) + B)
2 G = 30
Gabrielle is 15
Mikhail is 25
Step-by-step explanation:
1. Clare is cycling at a speed of 12 miles per hour. If she starts at a position chosen as zero, what will her position be after 45 minutes?
2. Han is cycling at a speed of -8 miles per hour; if he starts at the same zero point, what will his position be after 45 minutes?
3. What will the distance between them be after 45 minutes?
h el p I really need it
Answer:
Clare will be at 9 miles an hour
Step-by-step explanation:
Debbie spent 3/4 hours cleaning her room and 2/4hours cleaning her bathroom. How many hours did Debbie spend cleaning?
Answer:
1 1/4 hours
Step-by-step explanation:
3/4 + 2/4 = 5/4 = 1 1/4
Answer:
5/4 hours OR 1 hour and 15 minutes
Step-by-step explanation:
Add 3/4 and 2/4
You get 5/4 or 1 1/4
This translates to one hour and 15 minutes (1/4 of an hour is 15 minutes)
4. Communicate Precisely When you graph a quadratic function, the
y-intercept appears to be 1, and the x-intercepts appear to be -4 and 2.5.
Which values represent the solution(s) to the related equation of the
function? How can you check? Explain
Answer:
solo respondo esto por los puntos
Jacob has 6.15 meters of rope. He is going to use 1.2 meters of rope to tie up his boat. How many centimeters of rope does he have left?
Answer:
495 cm
Step-by-step explanation:
Remark
When you do the subtraction, whatever is left (the decimal part) is the length in cm when multiplied by 100.
Solution
Remaining rope = starting length - what was used.
Remaining rope = 6.15 - 1.2
Remaining rope = 4.95 meters
Answer
The remaining rope = 4.95 * 100 = 495 cm
Four silos with circular bases are shown in the image with a diameter of 20 feet. What is the area of one of the bases?
A. 1256 sq. ft.
B. 125.6 sq. ft.
C. 314 sq. ft.
D. 62,8 sq. ft.
Look up "Everything You Need To Know About Math In One Big Fat Notebook pdf." It's the best thing I've ever been given, I have it with me in math class all the time and I've aced every test.
The value of a painting rises from $120,000 to $192,000.
Work out the percentage increase in the value of the painting.
Step-by-step explanation:
Traders have invested $ 100,000 in the Peace Garden Center to boost the capital Mogadishu and make a profit. looga farm income to make people come to the door to take the free tickets for different values $ 0.8 adults and 0.6 children. As many as 150 tickets were sold on Friday for $ 102. produce more child tickets than adult tickets?
(Square root of -6)(square root of -10)
Answer:
-2 [square root sign]15
Step-by-step explanation:
if you input the question into m AtH W ay, you get the answer in seconds!
Question 24 A right triangle is shown below. B C с А 6 Which of the following equals sin A? A tan B B cos A C tan A cos B
how much more does the great dane weigh than the chihuahua
Answer:
the great dane is 59kg and the chihuahua is 1329 g so it would be 57.67100 kg. jp idfk
Step-by-step explanation:
Please solve step-by-step
6c + 7 = 13 + 7c
Answer:
c=6
Step-by-step explanation:
6c±7=13±7c
6c-7c=-1c
7-13=-6
-1c=-6
-1c=-6÷-1c to get the value of
Which inequality correctly orders the numbers -5,-3, and 2 from greatest to least?
Answer:
1) 2 > -3 > -5
Step-by-step explanation:
that is mathematically correct
What is the coefficient in the following expression? 4y - 17
Answer:
The coefficient of 4y-17 is 4
Step-by-step explanation:
What is the value of the expression 10 − ( fraction 1 over 2 )4 ⋅ 48? (1 point)
Answer:
Just want to ask if it is 10 - 1/2 × 4 × 48 right? If the expression is this then the answer is -86.
Hope this helps, thank :) !!
what would y & x be ? PLZ HELP NEED DONE IN 20 MINUTES !
Answer:
photomath
so it would be -2x-3
Answer:
x = 6
y= -3
Step-by-step explanation:
x is always the line going across like a straight line horizontally (think of horizon)
and y goes up and down vertically
Task 6: Here are three systems of equations graphed on a coordinate plane:
(y=3x+5
(y=-2x+20
(y=2x-10
(y=4x-1
(y=0.5x+12
(y=2x+27
A Math problem I need help on
I will mark you the brainliest help plesdd
Which inequality is true?
0 -9 > 13
-10 > 9
0 -10 > -9
0 -13 < -10
Answer:
The last one.
1)0-9=-9
And a negative number is always smaller than a positive one
2)Negative number always smaller than positive
3)The smaller a negative number is, the closer it is to zero, so the greater it is
4)correct
Please be quick
Show that x^2+5x=3
[tex]\frac{-5 + \sqrt{37} }{2}[/tex]
Note:Have no clue if its right
Answer:
see explanation
Step-by-step explanation:
The area (A) of the rectangle = length × breadth, that is
A = BC × CA
= (x + 3)(x + 2) ← expand using FOIL
= x² + 5x + 6
Given that A = 9 , then
x² + 5x + 6 = 9 ( subtract 6 from both sides )
x² + 5x = 3 ← as required
What is the y-intercept of 2x-y=10
Answer:
( 0, -10 )
Step-by-step explanation:
the y intercepts is ( 0, -10 ) as u can see in this pic
Answer:
(0, -10)Step-by-step explanation:
We need to convert the equation to slope-intrcept form y=mx+b, where b is the y-coordinate of Y-intercept point
2x - y = 10 {subtract 2x from both sides}
- y = -2x + 10 {divide both sides by (-1)}
y = 2x - 10 ⇒ b = -10
Therefore y-intercept of the line is (0, -10)
a² + 6 from 7
plzz answer i gave u half of my points plz
Answer:
a = 1
Step-by-step explanation:
First, you subtract 6 from both sides and you end up with a² = 1. Since one cannot be squared or square rooted, a = 1. I hope this helps!
The cost of one pound of peanuts is $3.59. If you buy 0.7 pounds, how much will you pay for the peanuts?
Answer:
5.12
Step-by-step explanation:
It's 3.59*0.7÷1 so 5.12
Carlotta rode 3.4 kilometers on her bike. her friend mallory rode 4 200 meters on a bike
How much farther in kilometers did one person ride than the other?
Answer:
mallory rode .8 more kilometers than carlotta
Step-by-step explanation:
[tex] \huge \purple{\tt{Answer:}} [/tex]
Mallory rode 0.8 kilometres more than Carlotta .
Which value is a solution for the equation tan x/2 = -1?
A. 5pi/4
B. 7pi/4
C. 3pi/4
D. 3pi/2
Answer:
D
Step-by-step explanation:
What we have to do is to find the arc tan
x/2 = arc tan (-1)
tan is negative on the 4th and second quadrant
arc tan (-1) = 135 or 315
pi is 180 degrees
so we have;
135 is 3 pi/4
multiplied by the 2
= 6 pi/4 which is 3 pi/2
315 is 7 pi/4 which is same as 7 pi/2 when we multiply by 2
Answer:
the answer is d
this is my question
Answer:
3
3+3+27=33
Step-by-step explanation:
Answer:
so you would have to subtract and that would be 7=w
Step-by-step explanation:
What is the missing reason in the proof?
Both C and D are incorrect.
Answer:
"C" is correct answer its not incorrect
Step-by-step explanation:
A bicycle is worth 500 dollars , decreases in value by 7.8% per year.Set up a function to model this situation.Use the model to show how much the bike will be worth after 5 years.
Answer:
$333.138
Step-by-step explanation:
Given that:
Initial value = $500
% decrease in value per year = 7.8% = 0.078
Price after t years is given by :
P(t) = initial value(1 - 0.078)^t
Where, t = number of years
Price after 5 years :
t = 5
P(5) = 500(1 - 0.078)^5
P(5) = 500(0.922)^5
P(5) = 500 *0.666276668105632
P(5) = 333.138334052816
= $333.138
Simplify: -5(3c-9) – 9c – 7c2 +5
What’s the answer?
Answer:
ANSWER: [tex]-7c^{2} -24c+50[/tex]
Step-by-step explanation: