Answer:quit
Step-by-step explanation:
Simplify the expression: -7w - 5 - 7w + 9
Answer:
-14w + 4
Step-by-step explanation:
-7w - 5 - 7w + 9
-7w - 7w + 4
-14w + 4
A grocery clerk changes the display of oranges regularly. If the pattern indicated
below is continued, determine the number of oranges that will be displayed on
the 8th figure. Use a table to find the pattern.
Answer:
36
Step-by-step explanation:
F1 = 1
F2 = 1 + 2
F3 = 1 + 2 + 3
--> The n(th) figure has the number of oranges = the sum of the first n natural numbers, which has the general form:
F(n) = 1 + 2 + 3 + ... + n = n(n+1) / 2
So, 8th figure has:
F(8) = 8.(8+1) / 2 = 8 . 9 / 2 = 36
10.36 less than the product of 42 and x
please i need help
Answer:
so the problem is saying 42x-10.36 so it's just saying take 10.36 away from 42 multiplied by X
Step-by-step explanation:
Multiply (3x)(x2 + 4x - 15).
(3 x3 + 12 x2 - 45 )
3 x + 12 x - 45 x3)
(4 x3 + 3 x + 12 x2 - 15 )
(3 x4 + 12 x3 - 45 )
Answer:
3x^3 + 12x^2 - 45x
Step-by-step explanation:
Multiply 3x with x^2 then 4x and then -15 in order
3x × x^2 = 3x^3
3x × 4x = 12x^2
3x × (-15) = -45x now add the expressions
3x^3 + 12x^2 - 45x
|3x+1|=-5
How do I do this step by step
1. What is the solution to the system of linear equations? Write you answer as a coordinate. 2x − y = 4 5x + 2y = 10
Answer:
The solution of the system of equation in coordinate form is (2, 0)
Step-by-step explanation:
The given equation are;
2·x - y = 4....................(1)
5·x + 2·y = 10..............(2)
Multiplying equation (1) by 2 and subtract it from equation (2) gives;
5·x + 2·y - 2 × (2·x - y) = 10 - 2×4
5·x - 4·x + 2·y - 2·y = 2
x = 2
From equation (1), we have 2·x - y = 4, when x = 2, we get;
2×2 - y = 4
y = 2×2 -4 = 0
y = 0
Therefore;
The solution of the system of equation in coordinate form is (2, 0).
89, 74, 100, 86, 74, 67, 86, 72, 60, 93, 83, 86 what is the median?
Answer:
[tex] \boxed{ \bold{ \huge{ \boxed{ \sf{84.5}}}}}[/tex]
Step-by-step explanation:
Given data :
89 , 74 , 100 , 86 , 74 , 67 , 86 , 72 , 60 , 93 , 83 , 86
Arranging the data in ascending order, we have,
60 , 67 , 72 , 74 , 74 ,83 , 86 , 86 , 86 , 89 , 93 , 100
Here, n ( total no.of observation ) = 12
Now, finding the position of media :
[tex] \boxed{ \sf{position \: of \: median = ( \frac{n + 1}{2} ) ^{th} \: item}}[/tex]
⇒[tex] \sf{ (\frac{12 + 1}{2} ) ^{th} item}[/tex]
⇒[tex] \sf{( \frac{13}{2} ) ^{th} item}[/tex]
⇒[tex] \sf{ {6.5}^{th} item}[/tex]
6.5 th item is the average of 6 th and 7 th items.
Again,
[tex] \sf{median = \frac{ {6}^{th \: item} + {7}^{th} item}{2} }[/tex]
⇒[tex] \sf{ \frac{83 + 86}{2} }[/tex]
⇒[tex] \sf{ \frac{169}{2} }[/tex]
⇒[tex] \sf{84.5}[/tex]
Hope I helped!
Best regards!!
11(n-1)+35=3n what is the answer
Answer:
n = -3
Step-by-step explanation:
Original Equation:
11 (n-1) + 35 = 3n
Distributive Property:
11n + 24 = 3n
Subtract 24 from both sides:
11n + 24 - 24 = 3n - 24
Simplify:
11n = 3n - 24
Subtract 3n from both sides:
11n - 3n = 3n - 24 - 3n
Simplify:
8n = -24
Divide both sides by 8:
[tex] \frac{8n}{8} = \frac{ - 24}{8} [/tex]
Simplify:
n = -3
Answer:
n=-3
Step-by-step explanation:
Fill in the missing work and justification for step 3 when solving 2(x + 1) = 10
Answer:
Below.
Step-by-step explanation:
2x + 2 - 2 = 10 - 2 Subtraction property of equality.
area & perimeter help!
Answer:
40ft
Step-by-step explanation:
√100=10
10*4=40ft
Answer:
The correct answer is 40 feet.
Step-by-step explanation:
We know that the area of the square is 100 square feet. We also know that we can find the area of the square using the formula A = s^2, where s represents the side length of the square.
A = s^2
If we plug in the value for the area that we are given, we get:
100 = s^2
To find the side length, we take the square root of both sides.
10 = s
To find the perimeter of a square, we should add up four times the side length (since there are 4 equal sides to a square).
Thus, the perimeter of a square is given by:
P = 4s = 4(10) = 40 feet
Therefore, the correct answer is 40 feet.
Hope this helps!
Find the solutions of the quadratic equation 2x2 + 6x - 2 = 0.
Sorry didn't know how to write the answer so I just took a screen shot of my answer for you!
Fund x+y+z+ shown in the following figure
Answer:
60°, 100° and 120°
Step-by-step explanation:
The angles x, y and z all lie on straight lines adjacent to other angles, thus
x = 180° - 120° = 60°
y = 180° - 80° = 100°
z = 180° - 60° = 120°
More help please I really appreciate the people that has been helping also !
Answer:
8- b=79
9- b=23
10- b=67
8.)
[tex]37 = n - 42[/tex]
Add 42 to both sides of the equal sign to isolate the variable (n).
[tex]79 = n[/tex]
9.)
[tex]b + 62 = 85[/tex]
Subtract 62 from both sides of the equal sign to isolate the variable (b).
[tex]b = 23[/tex]
10.)
[tex]92 = 25 + l[/tex]
Subtract 25 from both sides of the equal sign to isolate the variable (l).
[tex]67 = l[/tex]
Over 7 months, the value of Thus stocks dropped a total of $35, or -$35. What integer value represents the average monthly change in the value of his stocks?
Answer:
7 times 5 is 35 so I think that's the answer
Answer:
Step-by-step explanation: 35- Because 7÷35
1. 5 x 6 – 12 ÷ 3 order of operations
Answer:
26
Step-by-step explanation:
First, using PEMDAS, do Multiplication, and division. (30 - 4)
Next, suptract to get your answer.
Answer:
26
Step-by-step explanation:
No P(emdas)
No e(Pemdas)
Multiplication (5 x 6)
5x6=30
Division (12/3)
12/3=4
No addition
Subtraction (30)-(4)
30-4=26
(5x²-2)*(5x²+2)
Thank you
Answer:
[tex] \boxed{ \bold{ \huge{ \boxed{ \sf{25 {x}^{4} - 4}}}}}[/tex]
Step-by-step explanation:
[tex] \sf{(5 {x}^{2} - 2)(5 {x}^{2} + 2)}[/tex]
Use the distributive property to multiply each term of the first binomial by each term of the second binomial.
[tex] \dashrightarrow{ \sf{5 {x}^{2} (5 {x}^{2} + 2) - 2(5 {x}^{2} + 2)}}[/tex]
[tex] \dashrightarrow{ \sf{25 {x}^{4} + 10 {x}^{2} - 10 {x}^{2} - 4}}[/tex]
Since two opposites add up to zero , remove them from the expression
[tex] \dashrightarrow{ \sf{25 {x}^{4} - 4}}[/tex]
Hope I helped!
Best regards! :D
Which graph shows the linear inequality y < 2x – 4?
Answer:
Graph the line
y = 2 x − 4
After you have plotted the line, shade in the area to right of the line.
To help you to graph the line, two points are
( 0 , − 4 ) and ( 2, 0 )
Remember to make it a dashed line to indicate that it is not included.
Here is a how it should look:
Jada wanted to construct a line perpendicular to line e
through point C. The diagram shows her construction.
What was her mistake?
Answer:
Here the mistake is that she drew a circle from the point A to intersect the line rather the drawing arcs from the point C
The next another circle was drawn from the point of the intersection of the first circle and the intersection of both circles was used to draw the perpendicular at the midpoint of the intersection of both circles.
Step-by-step explanation:
To construct a line perpendicular to another line through a point the following steps are required
1) From the point, with the compass, C draw to intersect the line at points A and B
2) From A and B with the compass made wider, draw arcs above and below the line to intersect each other
3) With the straight edge Draw a line passing through the intersections of the arcs drawn from A and B and extend the line to pass through the point C
The line constructed above is the perpendicular to the line l passing through the point C.
Given the graph of the function f below, estimate the intervals in which fis
increasing.
Answer:
(-∞, -5/2) ∪ (1, ∞)
Step-by-step explanation:
"Increasing" means the graph goes up to the right. It is increasing from the left up to the local maximum--the peak at left.
It is increasing again from the local minimum on the right to the right side of the graph.
The two sections where the graph is increasing are ...
(-∞, -5/2) ∪ (1, ∞)
__
The graph is decreasing between the maximum on the left and the minimum on the right.
3. Is this relation a function? (-1,5) (-3, 6) (-2, 9) (5, 11) (-3, 6) (4, 11) (0, 10)
Answer:
Yes, it is.
Step-by-step explanation:
A function is a relation between two sets of elements, where each valid input can be mapped to exactly one output.
Indeed, the relation in this question is between two sets of elements. Each of these pairs includes exactly two elements: the input and the output.
On the other hand, does this relation maps each valid input to exactly one output? Arrange these pairs by the input in increasing order:
Input: [tex]-3[/tex]; Output: [tex]6[/tex].Input: [tex]-3[/tex]; Output: [tex]6[/tex].Input: [tex]-2[/tex]; Output: [tex]9[/tex].Input: [tex]-1[/tex]; Output: [tex]5[/tex].Input: [tex]0[/tex]; Output: [tex]10[/tex].Input: [tex]4[/tex]; Output: [tex]11[/tex].Input: [tex]5[/tex]; Output: [tex]11[/tex].Indeed, the input [tex]-3[/tex] appeared twice in the list. However, in both occurrence, this input mapped to the same output, [tex]6[/tex]. This relation is still a function.
What is the solution to 7x + 6y if y = 10 and x = 2?
Answer: First we will substitute the numbers in place of the variables in the equation, and then we will use order of operations to solve.
7x + 6y would be equal to:
7(2) + 6(10)
Now we will perform the multiplication:
7 * 2 = 14
6 * 10 = 60
The equation now looks like:
14 + 60
This is equal to 74. Your answer is therefore 74.
Hi there! Hopefully this helps!
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Answer: 74First we need to evaluate the variables into the expression.
7x + 6y = 7(2) + 6(10).
6 x 10 = 60
7 x 2 = 14.
60 + 14 = 74
solve for x 9 ( x + 1 ) = 25 + x
Answer: x=2
Step-by-step explanation:
Given
9(x+1)=25+x
Distributive property
9x+9=25+x
Subtract x on both sides
9x+9-x=25+x-x
8x+9=25
Subtract 9 on both sides
8x+9-9=25-9
8x=16
Divide 8 on both sides
8/8 x=16/8
x=2
Hope this helps!! :)
Please let me know if you have any question
Answer:
x = 2
Step-by-step explanation:
big brain/took test
What is the mean medium and mode of $0.99,$0.99,$1.49,$1.49,$1.49,$1.99,$1.99,and$2.49
Mean: $1.615
Median: $1.49
Mode: $1.49
Name two lines in the diagram.
B.
S
A
D
E
line A
line B
BC
point a
Answer:
Options (3) and (6)
Step-by-step explanation:
"A straight line is a set of all points between two points and extending beyond these points."
Therefore, from the given diagram,
Arrows connecting set of two points B and C and D and E will be straight lines.
Geometrically we denote them with an arrow over the line.
[tex]\overleftrightarrow {BC}[/tex] and [tex]\overleftrightarrow {DE}[/tex]
Therefore, Options (3) and (6) will be the answer.
if one side of a square measures (3x-8) find the area of the square
Answer:−21x−8
Step-by-step explanation: All sides have the same measure in a square, therefore all sides are 3x-8. Area is equal to 3x-8 times 3x-8 which is −21x−8
If the side of the square is (3x - 8), the area of the square is 9x² -48x + 64
What is a square?A square is a two-dimensional figure that has four sides and all four sides are equal.
The area of a square is given as side².
We have,
Square:
Side = (3x - 8)
The area of a square.
= Side²
= (3x - 8)²
Factorize using [(a + b)² = a² + 2ab + b²].
Now,
(3x - 8)²
= 9x² + 8² - 48x
= 9x² -48x + 64
Thus,
The area of the square is 9x² -48x + 64.
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Using the diagram at right, name the angle pair relationships of the
angle pairs listed below
1. D and e
2. E and h
3. A and e
D c and d
Answer/Step-by-step explanation:
Relationship of angle pairs considering the given diagram are as follows:
1. <d and <e are alternate interior angles. They are opposite inner sides of the transversal.
2. <e and <h are vertically opposite angles. They share the same vertex (corner) formed by the two line that crossed.
3. <a and <e are corresponding angles. They occupy the same position as a line crosses the other two lines together.
4. <c and <d are a linear pair. They are angles on a straight line and are supplementary.
The relationships between the angle pairs are:
1. Angle d and angle e are alternate interior angles.
2. Angle e and angle h are vertically opposite angles.
3. Angle a and angle e are corresponding angles.
4. Angle c and angle d form a linear pair.
The relationships between the angle pairs in the given diagram can be described as follows:
1. Angle d and angle e are alternate interior angles.
They are located on opposite sides of the transversal and inside the pair of lines.
2. Angle e and angle h are vertically opposite angles.
They are formed at the same vertex (corner) where the two intersecting lines meet.
3. Angle a and angle e are corresponding angles.
They are positioned in the same relative location as a line intersects the other two lines simultaneously.
4. Angle c and angle d form a linear pair.
They are adjacent angles on a straight line and add up to 180 degrees, making them supplementary.
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Name the Property Shown: 16=16 Question 1 options: Transitive Property Reflexive Property Symmetric Property Distributive Property
What is the result if you divide 18r⁴s⁵t⁶/ ⁻3r²st³
Christina goes to the market with $25. She buys one papaya for $4 and has the rest of the money for bananas. Each banana costs $0.55. Write an inequality for the number of bananas she can purchase.
Answer:
0.55x+4<=25
Step-by-step explanation:
It would be 0.55x because x is the number of bananas and 0.55 is the cost and the 4 represents the $4 she spent for a papaya. The 25 is the amount of money she has so it says less than or equal to because she only has so much money.
On her way home from the school board meeting, Kelly fills up her car. She likes the idea of using gasoline with ethanol, but thinks her car can only handle 50% ethanol. At the gas station, she can use regular gas with 15% ethanol or E78 fuel with 78% ethanol. How many gallons of each type of fuel should Kelly use if she wants to fill up her car with 9 gallons of fuel containing 50% ethanol?
Answer:
4 gallons of 15% ethanol
5 gallons of 78% ethanol
Step-by-step explanation:
Given that:
Two types of gases:
1st gas with 15% ethanol
2nd gas with 78% ethanol
The gases are to be mixed in such a way that the mixture of gases comes out to be with 50% ethanol with volume of 9 gallons.
Let amount of gas with 15% ethanol used = [tex]x[/tex] gallons
Now, we are given that total volume is 9 gallons, then
amount of gas with 78% ethanol used = 9 - [tex]x[/tex] gallons
As per the question statement:
[tex]x\times 15\% + (9-x)\times 78\%=9\times 50\%\\\Rightarrow x\times 15 + (9-x)\times 78=9\times 50\\\Rightarrow 9\times 78-9\times 50=63x\\\Rightarrow 9\times 28=63x\\\Rightarrow \bold{x = 4\ gallons}[/tex]
Therefore, the answers are:
4 gallons of 15% ethanol
9 - 4 = 5 gallons of 78% ethanol
The number of gallons required of both kind would be as follows:
4 gallons having 15% ethanol
5 gallons having 78% ethanol
Given that,
The 2 kinds of gases are:
One with 15% ethanol
Other with 78% ethanol
Given that,
The gases(ethanol and gasoline) are diluted in a such a manner that it involves a total of only 50% ethanol.
Number of gallons she wants to use = 9
This shows that only 50% of 9 gallons i.e. 4.5 gallons of ethanol can be used.
Assuming x being the gasoline's measure that is diluted with 15% ethanol.
Now,
The gasoline's measure that is diluted with 78% ethanol would be = 9 - x gallons
Therefore,
x × 15% + (9-x) × 78% = 4.5
On solving, we get
x = 4 gallons
Thus,
The measure of gallons having 15% ethanol = 4
The measure of gallons having 78% ethanol = (9 - x)
= (9 - 4)
= 5 gallons
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