Answer:
Kaylynn=$270
Amanda=$250
Step-by-step explanation:
Kaylynn=8.25x32.5=268.125 but since its estimated we round it up to 270.
Amanda=8.75x28.5=249.375 but since its estimated we round up to 250.
Write the vocabulary word for this definition:
The number of units or spaces away a number is from zero
Answer:
i am not sure but may be ...absolute value
Help me pls what is the perpendicular line
Answer:
-2
Step-by-step explanation:
A linear function contains the following points. What are the slope and y-intercept of this function?
Answer:
option B is the correct answer
Answer:
maybe try b
Step-by-step explanation:
First person to say............what 88 x 5 equals gets Brainlyiest!
answer: 420
Answer:440
Step-by-step explanation:
which relation is a function pls help will give brainliest
Answer:
D it is....................
a computer backs up 324 megabytes of data in 5 minutes. WRITE AN EQUATION that represents the number of megabytes, m, that can be backed up in (t) minutes.
Answer:
64.8 x t = m
Step-by-step explanation:
324 / 5 = 64.8 :64.8 megabytes are produced every 1 minute
64.8 x t = m
PLEASE HELP ;)
Who did it right?
Find the slope of the line perpendicular to 2x+3y=8
Answer:
Marissa.
Step-by-step explanation:
To find perpendicular slope you basically take the slope of the given line and reverse whatever sign it had previously. (If it was negative, it would become positive. If it was positive it would become negative.)
By doing -A/B it make the previous slope negative.
Brandon only flipped the fraction which would just result in the slope being slightly steeper, or in this case, less steep than the previous line, rather than making it perpendicular.
Hope this helps! Stay safe and if you have any questions feel free to ask!
A recipe used 1/2 cup of sour cream for every 1/4 teaspoon of salt. What is the unit rate of teaspoons of salt per cup of sour cream?
Answer:
1/2 teaspoons of salt per cup of sour cream
Step-by-step explanation:
multiply 1/2 and 1/4 by 2 to get 1 and 1/2. Since the question is teaspoons of salt per cup of sour cream, flip the numbers to get 1/2 teaspoons of salt per 1 cup of sour cream.
Sarah uses long division to convert a rational number x/y to its decimal form. Which of the following statement cannot be true?
30. The table below shows the average temperature of a lake in months since April in a certain year. Find
the equation for the curve of best fit using a quadratic model, then predict the average temperature of
the lake during December of the same year. Round all answers to the nearest hundredth.
Month
Temp (°F)
April
59
May
68
June
71
July
78
August
74
1
Answer:
The temperature, in December is 47 °F
Step-by-step explanation:
The given data for the temperature are;
Month [tex]{}[/tex] Temp (°F)
April [tex]{}[/tex] 59
May [tex]{}[/tex] 68
June [tex]{}[/tex] 71
July [tex]{}[/tex] 78
August [tex]{}[/tex] 74
Let x represent the month, and f(x) = y represent the temperature, we have;
y = a·x² + b·x + c
When x = 1, we have, f(1) = a·1² + b·1 + c = 59
f(1) = a + b + c = 59...(1)
When x = 2, we have, f(2) = a·2² + b·2 + c = 68
f(2) = 4·a + 2·b + c = 68...(2)
When x = 3, we have, f(3) = a·3² + b·3 + c = 71
f(3) = 9·a + 3·b + c = 71...(3)
When x = 4, we have, f(4) = a·4² + b·4 + c = 78
f(3) = 16·a + 4·b + c = 78...(4)
When x = 5, we have, f(5) = a·5² + b·5 + c = 74
f(3) = 25·a + 5·b + c = 74...(5)
Subtracting equation (3) from equation (5), we get;
25·a + 5·b + c - (9·a + 3·b + c) = 74 - 71
16·a + 2·b = 3...(6)
Subtracting equation (1) from equation (2), we get;
4·a + 2·b + c - (a + b + c) = 68 - 59
3·a + b = 9...(7)
Multiply equation (7) by 2 and substract from equation (6) gives;
16·a + 2·b - 2 × (3·a + b) = 3 - 2 × 9
16·a + 2·b - 6·a - 2·b = 3 - 2 × 9
16·a - 6·a + 2·b - 2·b = 3 - 2 × 9 = -15
10·a = -15
a = -15/10 = -1.5
a = -1.5
From, 3·a + b = 9, we have;
3 × (-1.5) + b = 9
b = 9 + 4.5 =13.5
b = 13.5
From, a + b + c = 59, we have;
-1.5 + 13.5 + c = 59
c = 59 - (-1.5 + 13.5) = 47
c = 47
The quadratic equation becomes, y = a·x² + b·x + c = -1.5·x² + 13.5·x + 47
f(x) = y = -1.5·x² + 13.5·x + 47
For December, we have, x = 9, and f(x) = -1.5×9² + 13.5×9 + 47 = 47
The temperature, in December = 47 °F
Find angles in isosceles triangles...
Answer:
x=46°
Step-by-step explanation:
base angles in an isosceles triangle are equal
180-88 = 92°
92/2=46°
46 + 46 +88 = 180
Answer:
A triangle always will equal 180° degrees. Each other angle equals 46°.
Step-by-step explanation:
180° - 88° = 92°
92 ÷ 2 = 46°
Hope this helps :)
PLEASE HELP I AM BEHIND!!!!
If the solution to an equation is x = −5, what could the original equation be?
A. x + 3 = 8
B. x − 3 = 8
C. x + 8 = 3
C. x − 8 = 3
(sorry if this is easy for you, I'm bad at math.)
Answer:
The answer is c definitely
Answer:
C. x + 8 = 3
Step-by-step explanation:
x + 8 = 3
x + 8 - 8 = 3 - 8 ( so do the same thing you do on both the left and right side )
x = -5
So C is correct but you can always say 3 - 8 to figure out that the answer in c is the right one.
HOPE THIS HELPED
Help plzzz............
Answer: See explanation below
Step-by-step explanation:
A composite number is a number that has factors other than 1 and self, while a prime number only can be divided by (or have factors of) 1 and itself.
Hope this helps! :)
Answer:
A prime number is a number that can be divided by itself or the number 1
Step-by-step explanation:
Not sure on the composite one tho
A partial proof was constructed given that MNOP is a parallelogram.
Which statement should fill in the blank in the last line of the proof?
A. angle M is supplementary to angle O.
B. angle N is supplementary to angle P.
C. angle M is congruent to angle P
D. angle N is congruent to angle P.
Answer:
B
Step-by-step explanation:
B. angle N is supplementary to angle P
Answer:
B
Step-by-step explanation:
Which of the following volumes represent a perfect cube? Check all that apply. 1 in.3 4 in.3 8 in.3 12 in.3 25 in.3 27 in.3 64 in.3
Answer:
A, C, F, G (1 in.^3, 8 in.^3, 27 in.^3, 64 in.^3.)
Step-by-step explanation:
Answer:
A
C
F
G
Step-by-step explanation:
I got it right on the question.
what is the absolute value of │38│
Answer:
38
Step-by-step explanation:
if there are bars around it its automatically positive even if it was -38 the absolute would still be 38.
Answer: 38
Step-by-step explanation: The absolute value of a number
is that number's distance from zero on a number line.
Since 38 is 38 units from zero, the absolute value of 38 is just 38.
Please help, I will mark brainliest!
Andy weighs a loaded truck on a platform scale marked in increments of 1000 pounds. What is the possible error of measurement? A. 1000 lb. B. 500 lb. C. 250 lb. D. 100 lb.
Answer:
B. 500
Step-by-step explanation:
the scale only measures increments of 1,000 pounds, e.g. its scale is 0 pounds, 1,000 pounds, 2,000 pounds, 3,000 pounds, etc.
What happens if something weighs exactly 1,500 pounds (or 500, 2500, 3500, etc)? The scale will measure either 1,000 or 2,000 pounds, so the maximum margin of error is ± 500 pounds.
Answer:
B
Step-by-step explanation:
I TOOK A QUIZ WITH THE QUESTION GOT IT RIGHT
What is the answer to 2r – 1 ≥ ‐3(r + 7)?
Answer:
r>−4
Step-by-step explanation:
function or not a function.
Answer:
Not a function
Step-by-step explanation:
For 0 in the domain (input), there are two possible values in the output (range). This goes against the definition of a function, where every element in the domain must have only one value in the range.
Hope this helps!
y - 3 = -2 ( x + 5 ) in standard form
Answer:
2x + y = -7
Step-by-step explanation:
Standard form is Ax + By = C
A represents the coefficient with x
B represents the coefficient with y
C represents the constants
1 - Rewrite to make it easier to work it out
y - 3 = -2 ( x + 5 )
2 - Distribute
y - 3 = -2x - 10
3 - Get the variables on one side and the constants on the other
y - 3 = -2x - 10
+ 2x + 2x
2x + y - 3 = -10
+ 3 + 3
2x + y = -7
Hope this helps,
Two forces act on a body so the resultant is a force of 68.3 pounds. The angles between the resultant and the forces measure 46 degrees and 38 degrees.
Answer:
A
Step-by-step explanation:
Use the equation given for sin
74.141 rounded too the nearest tenth
Answer:
74.1
Good Luck!!!
which number is bigger 1.59 or 1.955
Answer:
1.955 is bigger
Step-by-step explanation:
1.955>1.59
Answer:
1.955
Step-by-step explanation:
This is because the number after the decimal in 1.955 is 9, which is bigger than the 5 shown in 1.59
Which property is shown in the problem below?
-8(x-3y-9)=-8+24y+72
the associative property
the commutative property
the distributive property
the division property
Answer:
Distributive property is shown!
Answer:
the answer would be distrubutive
Step-by-step explanation:
ook a test today in school and got a 100
Which table represents a nonlinear function?
A.
x y
2 -9
4 1
6 11
B.
x y
2 -14
4 -16
6 -18
C.
x y
2 0
4 6
6 16
D.
x y
2 -9
4 -6
6 -3
Answer:
C. 2 -9
4 -6
6 -3
Step-by-step explanation:
Answer:c
Step-by-step explanation:
Determine the correct scientific notation form of the number. 627,000,000
Answer:
6.27 x 10 ^ 8
Step-by-step explanation:
what is the quotient of 0.12/24.12
Answer:
0.00497512437
Step-by-step explanation:
but make sure to round it. it should be 0.005 rounded to the nearest thousandth place but make sure if im correct im not too sure.
On a coordinate plane, 2 dashed straight lines are shown. The first line has a positive slope and goes through (negative 1, 0) and (0, 1). Everything to the right of the line is shaded. The second line has a negative slope and goes through (negative 2, 0) and (2, negative 4). Everything to the right of the line is shaded. Which linear inequality is graphed with y > –x – 2 to create the given solution set? y > x + 1 y x – 1 y < x + 1
Answer:
The linear equality y>x+1 is the right answer.
Answer:
The linear equality y>x+1 is the right answer.
Step-by-step explanation:
PLEASE HELP WITH THIS, ITS FOR A TESTTT
Answer:
The answer is C
Step-by-step explanation:
Distribute first then combine like terms