Answer:
Concept: Modeling expressions
We are given the equation [tex]200 - 16 {t}^{2} [/tex]We want to find the time after 0.75 seconds given that t is represented in seconds.Hence we do [tex]200 - 16(0.75)^{2} [/tex]Hence we get the answer to 191 feetThe height of the object that falls after 0.75 seconds given that t is represented in seconds is 191 feet.
What is a quadratic equation?A quadratic equation is the second-order degree algebraic expression in a variable. the standard form of this expression is ax² + bx + c = 0 where a. b are coefficients and x is the variable and c is a constant.
The expression 200 - 16t^2 models the height in feet of an object that falls from the initial height of 200 feet t seconds after being dropped.
We need to find the time after 0.75 seconds given that t is represented in seconds.
The expression is given
[tex]200 - 16t^2[/tex]
time t = 0.75
Substitute the value of t in the given expression
= 200 - 16(0.75)^2
= 200 - 9
= 191
Hence we get the answer to 191 feet.
Learn more about quadratic equations;
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convert 510° from degrees to radians
Answer:
[tex]\frac{17\pi }{6}[/tex]
Step-by-step explanation:
To convert from degrees to radians
radian = degree measure [tex]\frac{\pi }{180}[/tex]
= 510 × [tex]\frac{\pi }{180}[/tex]
= [tex]\frac{51\pi }{18}[/tex]
= [tex]\frac{17\pi }{6}[/tex] radians
510 degrees is equal to (17π / 6) radians, which is determined by using the fact that 180 degrees is equal to π radians.
The given angle is 510°.
To convert 510 degrees to radians, we can use the fact that π radians is equivalent to 180 degrees.
First, we convert 510 degrees to radians by setting up a proportion:
180 degrees = π radians
510 degrees = x radians
Solving for x, we find:
x = (510 degrees) * (π radians / 180 degrees)
Simplifying the expression, we have:
x = (17π / 6) radians
Therefore, 510 degrees is equal to (17π / 6) radians.
Learn more about the conversation radians to degrees here:
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MJ has 100 cookies he gives 2 each to 9 of his friends then he gets 10 more cookies how many cookies dose he have
Answer:
*does
Step-by-step explanation:
Answer:
92?
Step-by-step explanation:
2x9=18 100-18+10=92
please help me !!:)))
Answer:
on
Step-by-step explanation:
awnsers this and you'll get alot of points;)
Answer:
-11,-5,-2, 8%, 5/2
Step-by-step explanation:
Least to greatest would mean starting off with negatives. So we have -11, -5, -2. Then we known 8% as a number is 8/100 or 0.08. Which is less than 5/2 because 5/2 is equal to 2 1/2. Which is the greatest number out of the 5.
suppose that z varies jointly as x and y, and z=15 when x=1 and y=3. What is the constant of proportionality
Answer:
find z given x = 26 and y = 37
z = 2*26*37 = 1924
Step-by-step explanation:
i think
Help I need to answer this within 10 minutes
Answer:
About 70
Step-by-step explanation:
Answer:
72
Step-by-step explanation:
trust me
7th grade math, please help. I’ve got an answer but I wanna make sure it’s right. Thanks.
Answer:
yes your right buddy
Step-by-step explanation:
Answer:
im in 9th and i still cant do this :(
Please Help!!!!! It’s math and I don’t know!!!!
Answer:
its C
Step-by-step explanation:
Need answer to it solve it with the elimincation method with addition
Answer: The answer is x = .5
Answer:
(x,y)+(-1,-1)
Step-by-step explanation:
solve for x please!!!
Answer:
26
Step-by-step explanation:
Because these are remote exterior angles, you set (5x-2) equal to (2x+76)
After you set them equal you solve for x
5x-2=2x+76
5x=2x+78
3x=78
x=26
Is linear equations algebra or pre-algebra??? And is "Collage and career ready math" higher than regular 8th grade math????
I is stumped y'all, pls answer.
gerald drives 200 miles in 2 1/2 hours. what is gerald's average speed?
Answer:
80mph
Step-by-step explanation:
200 divided by 2 1/2 is 80.
omplete the multiplication sentence that matches the model.
1
5
×7=
Answer:
105
Step-by-step explanation:
Answer:
15 x 7 =105
Step-by-step explanation:
a. Write an equation that represents the sum of the angle measures of the triangle. The equation is $=180$=180 .
Answer:
$=19$=19
Step-by-step explanation:
help me accomplish life, answer this question
ANSWER:
52 1/2 hours
......
What is the equation of the line that passes through the point(-5, -2) and has a
slope of -6/5
Answer:
y = -⁶/₅x - 8Step-by-step explanation:
The slope-intercept form of equation is: y = mx + b
where m is slope and b is y-intercept
If line y=ax+b passes through point (x₀,y₀) that means
that the equation y₀=ax₀+b is true
(-5, -2) ⇒ x=-5, y=-2
m = -⁶/₅
So:
-2 = -⁶/₅ (-5) + b
-2 = 6 + b
b = -8
Therefore equation in slope-intercept form:
y = -⁶/₅x - 8
What is the volume of this sphere?
A. 12π cm^3
B. 36π cm^3
C. 288π cm^3
D. 864π cm^3
Answer:
C. 288π cm^3
Step-by-step explanation:
Verified correct with test results!!
pls help no need for long explanations just a summary
Answer:
FG - it is midline. FG = 5.
Explanation:
A midline in a triangle is a line segment connecting the midpoints of two sides.
A midline is half the length of the side to which it is parallel.
[tex]\dfrac{CE}{FG} =2\\\\ \dfrac{9x-26}{7x-23} =2\\\\9x-26=2(7x-23)\\9x-26=14x-46\\14x-9x=46-26\\5x=20\\x=4[/tex]
CE = 9 · 4 - 26 = 10
FG = 10/2 = 5
2(4x + 3) = 2(18 - x)
Answer:
x = 3
Step-by-step explanation:
[tex]2(4x + 3) = 2(18 - x) \\ 8x + 6 = 36 - 2x \\ 8x + 2x = 36 - 6 \\ 10x = 30 \\ x = \frac{30}{10} \\ x = 3[/tex]
Please help! Giving brainliest
Answer:
the third (3) option!
negatives go first, then 0, then positives
What is the value of the expression below if c is 3 and d is -6.
4c-5d
-18
4
42
-42
Answer:
42
Step-by-step explanation:
4×3-5×-6=12+30=42(-×-=+)
What is the slope of this line: y = 6x + 4
Answer:
the slope of the line is 6
Step-by-step explanation:
y = mx + b
m is the slope
Write an algebraic expression for the word expression. the product of 7, and c minus 13
Answer:
Step-by-step explanation:
7(c-13)
the product of 7, and, c-13
Answer: c7-7 13
13 is smaller and is right next to the 7
Step-by-step explanation:
7(c-13)
c7-7 13
13 is smaller and is right next to the 7Is the relation a function? Why or why not?
Answer:
Step-by-step explanation:
set up the relation as a table of ordered pairs. Then, test to see if each element in the domain is matched with exactly one element in the range. If so, you have a function!
Answer:
No
Step-by-step explanation:
What makes a function a function is that it only has one input for every output. So in other words the x can't have two y values. But on a graph you can just do the vertical line test to see if the line intersects the vertical line more than once for any x value, it fails. So if we use the vertical line test we can see that for the x value of 2 is intersected by the line more than once, so this isn't a function.
What is the Unit Rate for the speed of a car that travels 500 miles in 3.25 hours
The school collected money for sweatshirts. If 75 students bought sweatshirts and the total cost was $1,260, how much did each student pay?
Answer:
16.08
Step-by-step explanation:
Use the distributive to evaluate each expression
4(12 + 3)
Answer: 60
Step-by-step explanation:
You do 4*12 and 4*3, 4*12=48, 4*3=12, Next you do 48+12 and you get 60
Answer: 4(12 + 3) = 48 + 12 = 60
Step-by-step explanation: We will use the distributive property to evaluate the expression, 4(12 + 3)
Simply do this by multiplying the number outside of the parenthesis by each number inside of the parenthesis.
4(12 + 3)
4 x 12 = 48 and 4 x 3 = 12
(48 + 12)
Now, add both numbers inside the parenthesis.
(48 + 12 = 60) or 60.
Which figure appears to show a line with a slope of 1?
Answer:
I believe it is figure 1
Answer:
Definitely Figure 1
Step-by-step explanation:
Rise of the line over Run of the line (our slope) equals 1 here. x = y
Can anyone help me with this math question.
Solve
x squared -7x-34=10
thanks,
Answer:
x=11,-4
Step-by-step explanation:
Answer:
x= -44/7
Step-by-step explanation:
-7x=10+34
-7x=44
-7x/7=44/-7
x=-44/7
What is the measure of DCB?
