The numbers which correctly represents the y-coordinates of the given pairs; (-8-6) and (-1,0) as in the task content are; -6 and 0 respectively.
What is the xy- coordinate plane?It follows from simple definition that the x -y plane, is a two dimensional plane which contains the x and y axis. The x and y axis happen to be used in the description of plane shapes which are two- dimensional in nature.
Also, it is noteworthy that each point on the xy-coordinate is described by a pair of coordinates and takes the form; (x, y).
In which case, the x-coordinate is written first and y-coordinate is written second as indicated above.
On this note, the y's of the pair of coordinates, (-8-6) and (-1,0) as given in the task content by convention can be observed to be; -6 and 0 respectively.
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5. The elevation of the Dead Sea is -1,286 feet. (The Dead Sea is below sea level.) Mt.
McKinley has an elevation of 20,320 feet. What is the difference in the elevation between
the Dead Sea and Mt. McKinley?
22-13 You add
Answer:
21606 ft
Step-by-step explanation:
get difference between elevations with subtraction
20320 - - 1286
20320 + 1286
21606 ft
Use the expression 11 + 9k + 6n. Tell whether each statement is True or False. T or F: the expression has 3 terms. T or F: In the expression, 11 is a coefficient. T or F: In one of the terms, 6 is a factor. T or F: The expression has two variables.
The classification of the terms in the expression is given as follows:
True: the expression has 3 terms.True: in the expression, 11 is a coefficient.True: In one of the terms, 6 is a factor.True: The expression has two variables.First statementIn an addition, each term involved in the addition is called a term. Hence, the expression has three terms, which are given as follows:
11.9k.6n.Hence the first statement is correct.
Second statementThe coefficients of the expression are:
11.9.6.Hence the second statement is correct.
Third statementIn the third term, 6n is divisible by 6, hence six is a factor of the term, and the third statement is correct.
Fourth statementThe variables of the expression are k and n, hence two variables, and the fourth statement is correct.
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Write an equation in point-slope form of the line that passes through the given points, then write the equation in slope-intercept form.
(-9,7) (9,1)
What is the point-slope form of the equation of the line?
Answer:
Equation of line is given as y = mx + c, where m is the slope and c is the y-intercept.
First find the slope.
Formula for slope is given as (y2-y1)÷(x2-x1) or (y1-y2)÷(x1-x2).
Slope = (7-1)÷(-9-9)
= -6/18
= -1/3
Equation of line is y = -1/3 + c.
Substitute either one of the points into the equation to find c.
1 = -1/3(9) + c
c = 4
Hence equation of line is y = -1/3x + 4
x/16 = 7/10
FIND X PLEASE
Answer:
x=11.2
Step-by-step explanation:
x/16=7/10
x=7/10×16
x= 11.2
Step-by-step explanation:
First, let's write down the equation properly:
[tex] \frac{x}{16} = \frac{7}{10} [/tex]
Then we follow these simple steps to solve the equation to find the value of x.
Cross multiply fractions.10x = 112
Divide both sides by 10.x = 11.2
EASY POINTS WILL GIVE BRAINLIST TO BEST ANSWER
Determine if the sequence is arithmetic. If it is, find the common difference, the 21st term, the explicit rule, the recursive rule, and the three terms in the sequence after the last one given.
33, 35, 37, 39
Answer:
Common difference = 2
21st term = 73
Explicit rule : a(n) = 31 + 2n
Three terms in the sequence after 73: 77,77,79
Step-by-step explanation:
Given:
33, 35, 37, 39
If the sequence is arithmetic it has a common difference ( same difference on each value)
d= Common difference = 35 - 33 = 37 - 35 = 39 - 37 = 2
d = 2
Explicit formula:
a(n) = a1 + d (n - 1 )
Where:
a1= first term = 33
d = common difference = 2
Replacing:
a(n)= 33 + 2 (n - 1 )
a(n) = 33 + 2n - 2
a(n) = 31 + 2n
21st term:
a(21) = 31 + 2 (21) = 31+ 42 = 73
To obtain the three terms in the sequence after 73, add the common difference 3 times.
73 + 2 = 75
75+2= 77
77 + 2 = 79
Answers:
Common difference = 2
21st term = 73
Explicit rule : a(n) = 31 + 2n
Three terms in the sequence after 73: 77,77,79
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Question 4 of 10
What is the solution to the equation below? Round your answer to two
decimal places.
log₂ (2x-1)=3
O A. x=5
B. x = 4
O C. X=9/2
O D. X=7/2
The value of x from the given equation is 9/2
The given equation is
log₂(2x - 1) = 3
The general form of logarithm with base 2 is
log₂ N = x
Conversion of the logarithm to exponential form is
2ˣ = N
where x is the log₂ of N
x is the number of times number '2' should be multiplied by intself to obtain n
Using this conversion in the above equation,
log₂(2x - 1) = 3
(2x - 1) = 2³
(2x - 1) = 8
2x - 1 = 8
2x = 8 +1
2x = 9
x = 9/2
Therefore the value of x is 9/2
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find the unit rate if suzie reads 45 books in 15 days
Step-by-step explanation:
she reads 45 books in 15 days.
so, the reading rate is 45/15.
now, a ratio is just a fraction with a special meaning, but calculations, simplifications and so on are all the same.
so,
45/15 = 9/3 = 3/1 = 3
that means she reads 3 books in 1 day.
Which set of ordered pairs does not represent a function?
{(8,-2), (6,-1), (4,1), (0,1)}
{(8,4), (1,5), (-7,7), (9,5)}
{(4,-6), (-3,2), (7,-1), (-6, -4)}
{(-9,3), (8,7), (-9, -9), (2, 4)}
{(-9,3), (8,7), (-9, -9), (2, 4)}
=======================================================
Explanation:
To find an example of a non-function, we look for (x,y) points where x repeats itself. That occurs in choice D where we have (-9,3) and (-9,-9) in the same function set.
The input x = -9 leads to multiple outputs y = 3 and y = -9 simultaneously. This is not allowed if we wanted a function.
A function is only possible if each input x leads to exactly one y output.
So this is why we look for repeated x values when trying to find non-functions. Choices A, B and C all have unique x values that don't repeat, which means those choices represent functions.
Side note: The y values can repeat, but the function won't be one-to-one.
PLEASEEEEE HELP IDEK WHAT TO DO
The evaluated value of the function is as follows:
g(10) = - 29f(3) = 16h(-2) = -6j(7) = 23h(a) = 12 / ag(b) + g(c) = -3b - 3c + 2x = -5x = -6x = 4How to evaluate a function?The functions can be evaluated as follows:
To evaluate a function is to replace (substitute) its variable with a given number or expression.
In other words, evaluating a function means to substitute a variable with its given number or expression.
Therefore,
g(x) = -3x + 1
f(x) = x² + 7
h(x) = 12 / x
j(x) = 2x + 9
Hence,
a.
g(10) = -3(10) + 1
g(10) = -30 + 1
g(10) = - 29
b.
f(3) = (3)² + 7
f(3) = 9 + 7
f(3) = 16
c.
h(-2) = 12 / -2
h(-2) = -6
d.
j(7) = 2(7) + 9
j(7) = 14 + 9
j(7) = 23
e.
h(a) = 12 / a
h(a) = 12 / a
f.
g(b) + g(c) = -3(b) + 1 + -3(c) + 1
g(b) + g(c) = -3b + 1 - 3c + 1
g(b) + g(c) = -3b - 3c + 2
h.
find x when g(x) = 16
16 = -3x + 1
16 - 1 = -3x
15 = -3x
x = 15 / -3
x = -5
j.
find x when h(x) = -2
-2 = 12 / x
-2x = 12
x = 12 / -2
x = -6
k.
find x when f(x) = 23
23 = x² + 7
23 - 7 = x²
x² = 16
square root both sides
x = √16
x = 4
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