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Darren had 3 apples represented by the variable (a) . He went to the store and bought 6 more apples to make a pie . Then his little brother Keith came into the kitchen and ate 2 of the apples. Write an expression to show how many Derran is left with.
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Answer:
a + (6 -2)I'm not completely sure, but I hope this helps.
The vertices of △JKL are J(−3, 4), K(3, 0), and L(−5, −4). The equation of the median to J is y=0. What are the coordinates of the centroid of △JKL?
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Answer:j
Step-by-step explanation:
The coordinates of the centroid of △JKL are (-5/3 , 0)
What is centroid of a triangle and its coordinates?The point of intersection of a triangle's medians is its centroid (the lines joining each vertex with the midpoint of the opposite side).
If the triangle has its vertices as [tex](x_1, y_1), (x_2, y_2) , \: (x_3, y_3)[/tex], then the coordinates of the centroid of that triangle is given by:
[tex](x,y) = \left( \dfrac{x_1 + x_2 + x_3}{3} + \dfrac{y_1 + y_2 + y_3}{3} \right)[/tex]
The vertices of ΔJKL lies in first quadrant because the coordinated of the vertices are positive which means the vertices are in the form of (x,y).
If the ΔJKL reflects along the x-axis then the vertices are in the form of (x,-y). Now the ΔJKL reflects along the y-axis then the vertices are in the form of (-x,-y).
The given coordinates of the the vertices after transformation is J(−3, 4), K(3, 0), and L(−5, −4).
The equation of the median to J is y=0.
(-3 + 3 - 5 / 3 , 4 + 0 - 4/ 3) = (-5/3 , 0)
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What is the most common number of sit-ups completed in 1 minute? Explain how you used the dot plot to identify this number.
Write your answer in the space below.
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Answer:
38.
Step-by-step explanation:
38 is the highest column in the plot.
Answer:
Heya
Step-by-step explanation:
the most common number of sit-ups completed in 1 minute is 38
hope it will be helpful :)
HELP giving brainlest and more points
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Answer:
the answer is 7.2 10³
Step-by-step explanation:
7.2 10³
Clara drove 792 miles. Clara's car used 20 gallon of gas. How many miles per gallon did Clara's car get?
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Answer: Not rounded: 39.6 Rounded: 40
Step-by-step explanation:
For rhombus GHJK, find m21.
Η
1280
Ο 128
Ο 38
O 90
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Answer:
38
Step-by-step explanation:
128 + angle G= 180
angle G = 180-128= 52
m+ 52 = 90 ( complementary angles)
m= 90-52= 38
The area of a rectangle is 192 in ^2. The ratio of the length to the width is 4:3. Find the length and the width.
The length of the rectangle is ___ in.
The width of the rectangle is___.
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Answer:
Length = 16 in
Width = 12 in
Step-by-step explanation:
Given:
Area of a rectangle = 192 in²
Ratio(length to width) = 4:3
Find:
Length and the width
Computation:
Ratio(length to width) = 4:3
So,
Length = 4a
Width = 3a
Area of a rectangle = Length x Width
192 = 4a x 3a
192 = 12a²
a² = 16
a = 4
Length = 4a = 4 x 4 = 16 in
Width = 3a = 3 x 4 = 12 in
Are the figures congruent? Explain.
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please help quickly im on a test
if f(x)=x+4, and g(x)=2x+4, what is f(2)+g(2)?
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Answer:
14
Step-by-step explanation:
f(2)+g(2)
(2+4)+(2×2+4)
6+8
14
Jenna's only source of income is from her job at a car wash, where she works 25 hours each week. She is paid $9.90 per hour. What is her net weekly income if she pays $30.70 in payroll tax each week?
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Answer: 216.8$
Step-by-step explanation:
25 x 9.9 = 247.5
247.5 - 30.70 = 216.8
A production line operation is designed to fill cartons with laundry detergent to a mean weight of 32 ounces. A sample of cartons is periodically selected and weighed to determine whether underfilling or overfilling is occurring. If the sample data lead to a conclusion of underfilling or overfilling (in other words, if they lead to a conclusion that the mean weight is different from 32 ounces), the production line will be shut down and adjusted to obtain proper filling. What conclusion is appropriate when H0 cannot be rejected
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Answer:
There is no significant evidence to conclude that the mean weight of laundry detergent is being underfilled or overfilled.
Step-by-step explanation:
The null hypothesis ; H0 : μ = 32
The alternative hypothesis : H1 : μ ≠ 32
The null hypothesis is the initial truth statement, therefore, when the Null hypothesis cannot be rejected, the conclusion goes thus :
There is no significant evidence to conclude that there is difference in the mean weight of laundry detergent. Hence, detergent is neither being underfilled or overfilled.
What is the area of the parallelogram?
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A = 4(15)
A= 60 inch squared
Hope this helps :)
Which of the following is the reciprocal of 1/5 ?
answers
5
1/5 5/5 1
Answers
Answer:
5
Step-by-step explanation:
A reciprocal is the inverse of a fraction.
To find it just flip the numerator and denominator.
1/5 becomes 5/1, or 5.
The calculated reciprocal of the number 1/5 is 5
How to determine the reciprocal of the numberFrom the question, we have the following parameters that can be used in our computation:
Number = 1/5
By definition, the reciprocal of a number x is represebted as
reciprocal = 1/x
In this case,
x = 1/5
Substitute the known values in the above equation, so, we have the following representation
reciprocal = 1/(1/5)
Evaluate
reciprocal = 5
Hence, the reciprocal is 5
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Which equation represents a proportional relationship that has a constant of proportion nationality equal to 4 - 5
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Question:
Which equation represents a proportional relationship that has a constant of proportionality equal to 4/5
Answer:
[tex]y = \frac{4}{5}x[/tex]
Step-by-step explanation:
Required
Equation with 4/5 as its constant of proportion
Two proportional quantities x and y have the following relationship:
[tex]y = kx[/tex]
Where k is the constant of proportion.
In this case:
[tex]k = \frac{4}{5}[/tex]
So.
[tex]y = kx[/tex] becomes
[tex]y = \frac{4}{5}x[/tex]
if 45% of an item is $135.00, what is the original price
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Answer both parts please
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Answer:
1-21m hight and 23 lenght
2-45 hight and 11 length
HELP THIS IS DUE RN!!!!
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Answer:
50 miles for every 1 hour traveled
Step-by-step explanation:
17x31=? lol ill give 20 dollarsto who ever gets this first
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Find the area of △LKJ.
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Answer:
[tex]A=600\: u^{2}[/tex]
The correct answer is letter c.
Step-by-step explanation:
The area equation of a triangle is given by:
[tex]A=\frac{bh}{2}[/tex] (1)
Where:
b is the base
h is the height
Let's find first the angle MJK (α), using the tangent definition.
[tex]tan(\alpha)=\frac{24}{32}[/tex]
[tex]\alpha=tan^{-1}(\frac{24}{32})[/tex]
[tex]\alpha=36.9^{\circ}[/tex]
Now, if α = 37° then β (angle JLK) must be:
[tex]37^{\circ} + \beta + 90^{\circ}=180^{\circ}[/tex]
[tex]\beta=53^{\circ}[/tex]
Now, we can find the distance ML using again the tangent definition:
[tex]tan(\beta)=\frac{24}{ML}[/tex]
[tex]ML=\frac{24}{tan(53)}[/tex]
[tex]ML=18[/tex]
The base of the triangle LKJ will be:
[tex]b=32+ML=32+18=50[/tex]
Therefore, using equation (1) the area of △LKJ will be:
[tex]A=\frac{50*24}{2}[/tex]
[tex]A=600\: u^{2}[/tex]
The correct answer is c.
I hope it helps you!
Isabel baked 2 dozen oatmeal cookies for her family. If two-thirds of the cookies were oatmeal, how many total cookies did Isabel bake?
Answers
Answer:
36 total cookies
Step-by-step explanation:
2 dozen = 2/3 of the total cookies
24 = 2/3 of the total cookies
24/x = 2/3
cross multiply
24(3) = 2x
72 = 2x
x = 36
Check the math: 2/3 x 36 = 72/3 = 24
The graphs below have the same shape. What is the equation of the blue
graph?
f(x) = x²
5
g(x) = ?
g(x) =
A. g(x) = (x + 4)2 - 1
O B. g(x) = (x-4)2-1
ASAP plzzzz help
Answers
Answer:
The answer is g(x)=(x-2)^2+1
Step-by-step explanation:
The equation of the blue graph is y = (x - 4)² + 1.
Option D is the correct answer.
What is an equation?An equation contains one or more terms with variables connected by an equal sign.
Example:
2x + 4y = 9 is an equation.
2x = 8 is an equation.
We have,
The graphs of y = x² and y = (x - 4)² + 1 are both parabolas.
The graph of y = x² is a simple upward-facing parabola that passes through the origin.
As x increases or decreases, the value of y increases but at an increasingly slower rate until it reaches a minimum at x = 0, where it turns back upwards and continues to increase at an increasingly faster rate.
The graph of y = (x - 4)² + 1 is also a parabola, but it is shifted 4 units to the right and 1 unit up compared to y = x².
Thus,
The equation of the blue graph is y = (x - 4)² + 1.
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Quadrilateral BCDE is similar to quadrilateral FGHI. Find the measure of side FG. Round your answer to the nearest tenth.
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Answer:
The answer is below
Step-by-step explanation:
Two polygons are said to be similar to each other if they have the same shape as well as the ratio of their corresponding sides being equal to each other.
Since quadrilateral BCDE is similar to quadrilateral FGHI, hence the ratio of their corresponding sides is equal. Hence:
[tex]\frac{FG}{BC}= \frac{HI}{DE} \\\\substituting:\\\\\frac{FG}{8.3} =\frac{50}{11} \\\\FG=\frac{50*8.3}{11}\\\\FG=37.7\ to \ the\ nearest\ tenth[/tex]
What is the equation of a line with a slope of 2 and a y intercept of -5?
Answers
Answer:
y=2x-5
Step-by-step explanation:
The slope is how you move so you could also call it m
The y intercept is where you begin so you could call it b
So every time you need to find the equation or which one is like the slope just remember m=move b= begin
y=mx+b
What is the product of (x − 3) and (x + 7)? A. x^2 + 4x − 21 B. x^2 − 4x − 21 C. x^2 − 10x − 21 D. x^2 + 10x − 21
Answers
Answer: (x−3)(x+7)
Step-by-step explanation:
=(x+−3)(x+7)
=(x)(x)+(x)(7)+(−3)(x)+(−3)(7)
=x^2+7x−3x−21
=x^2+4x−21
Answer:
A. X^2+4x-21
Step-by-step explanation:
(x−3)(x+7)
=(x+−3)(x+7)
=(x)(x)+(x)(7)+(−3)(x)+(−3)(7)
=x2+7x−3x−21
=x2+4x−21
I hope this helps :) I got it CORRECT also i added the Steps if your teacher asked for steps :)
Marie can make 1/3 quart of orange juice in 1/5 of a minute by squeezing oranges. At this rate, how much juice can she make in 1 minute?
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Divide 24x^3+2x^2−20x−6 by 4x+3.
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6x^2-4x-2
Step-by-step explanation: sorry i wrote it messy
/....
Answer:
6x+1+−7x-14x2−3x+5
mathematic uh coordinate planes ty and brainlist for the first person to answerr it right
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Answer:
Me puedes informar mas?
Step-by-step explanation:
Solve for d. 41 = 120 - 7 d Stuck? Watch a video or use a hint.
Answers
Answer:
D = 4
Step-by-step explanation:
41 divided by 12 is 3.41666666667
then add 7 to 41 = 48
then divide 48 divided by 12 = 4
D then equals 4
Ellie makes 12.5% commission through selling makeup. If her total sales last month were $1840, what will be her take-home way?
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Answer:
$230 she takes home
Step-by-step explanation:
1840*0.125 = 230
Plsss help this is hard for me
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Area is 153.94 the formula is A= nr to the power of two