Can someone help me with this math homework please!
Answers
Answfirst one
Step-by-step explanation:
hope it helps thank u
Answer:
first one
Step-by-step explanation:
2 students have the same age but different heights.
since age is the input and height is the output. in order to be a function one must have exact one output for one input.
since the heights of students in Tessa 's class are not a function of their ages (one input must have two outputs) two students of same age must have different heights.
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Answers
The equation of the line perpendicular to the given line will be =
y = x + 17
We have a general equation of line as - 2x - 3y = 12 which passes through the point (16, -7).
We have to determine the general equation of the line perpendicular to this line.
What is the general equation of a straight line ?
The general equation of a straight line is as follows -
y = mx + c
where -
m - slope of line
c - intercept of line on y - axis.
According to question, we have -
Equation of Line = 2x - 3y = 12
Rearranging the above equation of line, we get -
3y = 2x - 12
y =
Therefore, the slope of this line will be = 2/3
Two lines which are perpendicular to each other have the following relation among their slopes =
m(1) x m(2) = -1
Therefore, the slope of line perpendicular to the given line will be -
m(2) = -3/2
Now, assume that the equation of line perpendicular to the given line be-
y = mx + c
y = x + c
Since, this line passes through the point (16, -7), therefore-
- 7 = + c
-7 + 24 = c
c = 17
Hence, the equation of the line perpendicular to the given line will be =
y = x + 17
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(16, -7) = (x,y)
2(16) - 3y = 12
32 - 3y = 12
32 - 12 = 3y
20/3 = y
6.6 = y
2x-3(-7) = 12
2x+21 = 12
2x = 12 - 21
x = -9/2
Insert the values into y = mx + b
solve for m and then solve for b
8 inches
12 inches
20 inches
Answers
24 = 4*0.5*h
24 = 2*h
h = 12
Height is 12 inches.
Answer:
D. 20 inches
Step-by-step explanation:
I did this test on FLVS and I got 100% Have a good day!
- ᕕ( ᐛ )ᕗ
No, because the light bulb distributor trusts the LED bulb manufacturer.
Yes, because the LED bulb manufacturer may benefit from the survey results.
Yes, because the light bulb distributor wants to become a "green" company.
Answers
Answer:
C. Yes, because the LED bulb manufacturer may benefit from the survey results.
Step-by-step explanation:
We are given that,
'An LED bulb manufacturer gives the study with the result that LED light bulbs are better for the environment than the traditional bulbs'.
Now, if the light bulb distributor further shows the result to the consumers, they would like to buy LED bulbs.
So, the demand for the LED bulbs would increase. For that, the distributor would have to order more LED bulbs from the manufacturer.
Thus, the supply of LED bulbs would increase for the manufacturer resulting in increase in revenue.
Hence, the LED manufacturer may benefit from the survey result.
Yes, because the LED bulb manufacturer may benefit from the survey results.
If the light bulb distributor will decide get more stock of LED bulb due to the study given by the LED company, then, the LED company will benefit from it.
Answers
Answer:
The third side of an isosceles triangle is known as the base. To find the length of the base, we can use the Pythagorean theorem. If we call the base of the triangle "b", then the length of the base is the square root of (8^2 - 5^2), which is equal to sqrt(64 - 25) = sqrt(39) = 6.3 cm.
Step-by-step explanation:
hope it helped !! :))
explain
Answers
Answer:
10x+−8
Step-by-step explanation:
multiply 5 x 2 = 10
turn 8 to -8
now your answer is 10x+-8
Answers
Donnell practiced for 7 hours while Marcus practices the piano for 4 hours.
How to form an equation?
Determine the known quantities and designate the unknown quantity as a variable while trying to set up or construct a linear equation to fit a real-world application.
In other words, an equation is a set of variables that are constrained through a situation or case.
Let's say the number of hours piano played by Donnell is D while by Marcus is M.
Then,
Since Donnell practiced the piano 3 hours longer than Marcus.
D = 3 + M ⇒ D - M = 3
And,
Together, Marcus and Donnelly practiced the piano for 11 hours.
D + M = 11
By adding
2D = 14
D = 7
And,
M = 11 - 7 = 4
Hence "Donnell practiced for 7 hours while Marcus practices the piano for 4 hours".
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and the number of hours Marcus practiced be m.
We can set up a system of equations.
d = m + 3
m + d = 11
Substitute the value of d that's in the first equation, into the second equation.
m + (m + 3) = 11
2m + 3 = 11
2m = 8
m = 4
Marcus practiced for 4 hours. Since Marcus and Donnell, together, practiced 11 hours, Donnell practiced for 11-4=7 hours.