Answer:
\(\sqrt{10}\)
Step-by-step explanation:
Using the distance formula: \(d = \sqrt{(x_2 - x_1)^2 + (y_2-y_1)^2}\)
substitute
\(d = \sqrt{((-3) - (-6))^2 + ((9)-(8))^2}\)
\(\sqrt{10}\)
Given the following system of equations and its graph below, what can be determined about the slopes and y-intercepts of the system of equations? A line includes points 1 comma negative 3 and 3 comma negative 7. A line includes points 3 comma negative 7 and 6 comma negative 6. 4x + 2y = −2 x − 3y = 24 The slopes are different, and the y-intercepts are different. The slopes are different, and the y-intercepts are the same. The slopes are the same, and the y-intercepts are different. The slopes are the same, and the y-intercepts are the same.
The following can be determined about the slopes and y-intercepts of the system of equations: A. The slopes are different, and the y-intercepts are different.
What is the slope-intercept form?In Mathematics and Geometry, the slope-intercept form of the equation of a straight line is given by this mathematical equation;
y = mx + b
Where:
m represent the slope or rate of change.x and y are the points.b represent the y-intercept or initial value.Based on the information provided above, we have the following system of equations in standard form:
4x + 2y = −2
x − 3y = 24
By rewriting system of equations in slope-intercept form, we have:
y = -2x - 1 ⇒ m = -2, b = -1
y = x/3 - 8 ⇒ m = 1/3, b = -8
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Solve each equation
3x+6=3
Answer:
x = -1
Step-by-step explanation:
We are given the equation 3x + 6 = 3.
To solve for x, we need to isolate it on one side of the equation. We can do this by subtracting 6 from both sides of the equation.
3x + 6 - 6 = 3 - 6
3x = -3
Now, we can isolate x by dividing both sides of the equation by 3.
3x/3 = -3/3
x = -1
Therefore, the solution to the equation 3x + 6 = 3 is x = -1.
Two functions, A and B, are described as follows: Function A y = 8x + 3 Function B The rate of change is 1 and the y-intercept is 4. How much more is the rate of change of function A than the slope of function B? (5 points) Question 12 options: 1) 1 2) 7 3) 8 4) 9
i need it now
The rate of change is 7 more of function A than the slope of function B.
What is meant by slope?Slope is calculated as the ratio of "vertical change" to "horizontal change" between any two points on a line, or any two points. When the ratio is expressed as a quotient ("rise over run"), the same number is provided for every two distinct locations on the same line. There is a negative "rise" on a descending line.
Since y=8x+3,
The rate of change in equation A is equal to the slope m m=8.
The rate of change, m=1, is given in equation B.
y=mx+ is the solution to equation B.
By substituting the values we get,
y=x+4
Calculate the difference between the rates of change of function A and function B.
8-1=7
Therefore, the rate of change is 7 more of function A than the slope of function B.
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please help me with this please i need the amswers for today,
The coordinates of each points are:
A = (-0.5, -5)
B = (0.8, -1.8)
C = (-2.6, -2.2)
D = (-1.5, -8.9)
E = (2.5, -6.5)
F = (-1.5, 3.1)
G = (-2.4, 4.1)
H = (1.5, 3)
I = (2.7, 1.5)
J = (-1.5, 0)
K = (-6.5, 0)
We have,
The coordinates of each point are in an ordered form.
i.e
(x, y)
x is the x-axis value.
y is the y-axis value.
Thus,
A = (-0.5, -5)
B = (0.8, -1.8)
C = (-2.6, -2.2)
D = (-1.5, -8.9)
E = (2.5, -6.5)
F = (-1.5, 3.1)
G = (-2.4, 4.1)
H = (1.5, 3)
I = (2.7, 1.5)
J = (-1.5, 0)
K = (-6.5, 0)
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When you calculate (In) 7, you would be finding the
value of which of the following expressions?
O log10 7
O log, 10
O log, e
O log 7
Option (O log 7) refers to the base-10 logarithm of 7, represented as log10(7), which is not the same as ln (7). Optional (O log, 10) and (O log, e) mathematical expressions are not acceptable.
what is logarithm?In mathematics, the logarithm is the reciprocal of a power. As a result, the exponent by which b must be raised to achieve a number x matches its logarithm in base b. For example, because 1000 = 103, the base-10 logarithm is 3, or log10 = 3. For example, the base 10 logarithm of 10 is 2, but the square of 10 is 100. Log 100 = 2. A logarithm (or log) is the mathematical word used to answer questions such as how many times a base of 10 must be multiplied by itself to get 1,000. The answer is 3 (1,000 = 10 10 10).
When you compute (In), you are calculating the natural logarithm of 7, which is indicated as ln(7) or loge (7).
As a result, the expression you'd be looking up the value of is: ln(7) or loge (7).
Option (O log 7) refers to the base-10 logarithm of 7, represented as log10(7), which is not the same as ln (7). Optional (O log, 10) and (O log, e) mathematical expressions are not acceptable.
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joe bought 3 shirts, 5 pants, and 2 sweaters. He paid $325.80 for all of them. What was the mean cost per item?
Answer:
$32.58
Step-by-step explanation:
Joe bought ten items total.
His total cost was $325.80
325.80 / 10 =32.58
Mean is the average
in the fruit bowl there are 12 bananas 8 apples and 4 oranges. do for every one orange there are ___ bananas
For every 1 orange in the fruit bowl there are three bananas.
According to the question,
We have the following information:
In the fruit bowl there are 12 bananas, 8 apples and 4 oranges.
Now, in order to find the number of bananas in this fruit bowl for 1 orange can be as written below:
4 oranges = 12 bananas
Now, to find the number of bananas for 1 orange, we will divide the total number of bananas by the number of oranges.
So, we have the following expression:
1 orange = 12/4 bananas
1 orange = 3 bananas
Hence, for every 1 orange in the fruit bowl there are three bananas.
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Fill in the blank for this question!
While an absolute value may be any number, the output from an absolute value expression is always greater than or equal to zero
How to Interpret an Absolute Value Function?The absolute value | x | of a real number x is defined as the non-negative value of x without regard to its sign. For example, the absolute value of 3 is 3, and the absolute value of −3 is also 3. The absolute value of a number may be thought of as its distance from zero along real number line.
The absolute value of any number is seen to be always greater than or equal to zero. Both a number and its opposite are the same distance from zero on the number line. Since they have the same distance from zero, they have the same absolute value.
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fill in the mission numbers to make the fractions equivalent. 1/2 and /8= 4/12 and /60= 2/3 and /12= 4/4 and /8=
To make the fractions equivalent, we need to find the missing numerators that would make them equal. Let's fill in the missing numerators:
1/2 and __/8
To make the fractions equivalent, we can multiply both the numerator and denominator of the first fraction by 4:
1/2 and 4/8
Now, the fractions are equivalent.
---
4/12 and __/60
To make the fractions equivalent, we can multiply both the numerator and denominator of the first fraction by 5:
4/12 and 20/60
Now, the fractions are equivalent.
---
2/3 and __/12
To make the fractions equivalent, we can multiply both the numerator and denominator of the first fraction by 4:
2/3 and 8/12
Now, the fractions are equivalent.
---
4/4 and __/8
To make the fractions equivalent, we can multiply both the numerator and denominator of the first fraction by 2:
4/4 and 8/8
Now, the fractions are equivalent.
Are x = -4 and x = 6 solutions to 5x + 7 < 22?
TRUE OR FALSE
Answer:
x=-4 is true, x=6 is not
Step-by-step explanation:
5x + 7 < 22
Plug in our X values
5(-4) + 7 < 22 ?
solve
-20 + 7 < 22
-13 < 22 ?
x=-4 is true.
Repeat steps from ^
5(6) + 7 < 22
30 + 7 < 22
37 < 22 ?
x=6 is not true.
Hope this helped
Answer:
False
Step-by-step explanation:
5(-4) + 7 < 22
-20 + 7 < 22
-14 < 22
5(6) + 7 < 22
30 + 7 < 22
37 < 22
The statement would be false because when applying 6 to the equation, the equation becomes false.
On the other hand, when applying -4 to the equation, the equation becomes true, but since both -4 and 6 HAVE to be BOTH solutions to the equation, the statement becomes false.
What is 12 inches to 36 inches in percent of change?
%change=100(final-initial)/initial
You can plug in your values...if you meant initial=12 and final=36...
%change=100(36-12)/12=200%
Since it is positive, that is a 200% increase.
Answer:
12 inches to 36 inches is a 300% increase
Step-by-step explanation:
Simplify or expand the expression: 5(3x - 7 + 4y)
Answer:
15x-35+20y
Step-by-step explanation:
5 times 3 is 15
7 times 5 is 35
5 times 4 is 20
so the answer is 15x-35+20y
Which shows the best use of the associative and commutative properties to
make simplifying 3/5 -14+9+2 easier?
A. (9+2+3/5) + [-1/5+(-14)]
B. [3/5+9+ (-14)] + [2 + (-1/5) ]
C. [3/5+(-1/5)] + [9+2+(-14)]
D. [3/5+ (-14)] + [9+ (-1/5) +2]
The easier option is A.
Here given expression is \( \frac{3}{5} - 14 + 9 + 2\)
We want to simplify the expression \( \frac{3}{5} -14 + 9 + 2\)
, we can use the associative and commutative properties of addition to rearrange the terms in a way that makes it easier to perform the arithmetic operations.
The commutative property of addition states that we can change the order of the terms without changing the value of the expression. The associative property of addition states that we can regroup the terms without changing the value of the expression.
Using these properties, we can rewrite the expression as:\( \frac{3}{5} + 9 + 2 - 14\)
We can now regroup the terms using the associative property as:\(( \frac{3}{5} + 9 + 2) - 14\)
To simplify this expression, we can add the terms inside the parentheses first:\(( \frac{3}{5} + 9 + 2) = ( \frac{3}{5} + 10 + 1) = 13 \frac{3}{5} \)
Substituting this value back into the expression, we get:\(13 \frac{3}{5} - 14\)
To subtract these two fractions, we need to have a common denominator. The least common multiple of 5 and 5 is 5, so we can rewrite the expression as:\(( \frac{68}{5} - \frac{70}{5} ) = \frac{ - 2}{5} \)
Therefore, the option that shows the best use of the associative and commutative properties to make simplifying \( \frac{3}{5} -14+9+2\)
Therefore option A is easier.
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If y^2-x^2=5(y-x)^2 find x:y
Answer:
x:y = 1:1 or 2:3
Step-by-step explanation:
By a difference of squares, we get:
(y+x)(y-x)=5(y-x)^2
move all to one side:
(y+x)(y-x) - 5(y-x)^2 = 0
take a common factor of (y - x) out and expand and simply the other factor:
(y - x)[y+x-5(y-x)] = 0
(y - x)(-4y + 6x) = 0
By the null factor rule:
x = y
=> x:y = 1:1
or
6x = 4y
=>
x:y = 4:6
x:y = 2:3
The total of 3 suitcases is 127 lb. The gray suitcase weighs 11 lb more than the pink suitcase. The pink suitcase weighs 5 lb than the blue suitcase. How much does the blue suitcase weigh?
If the gray suitcase weighs 11 lb more than the pink suitcase, the pink suitcase weighs 5 lb than the blue suitcase, and the total of 3 suitcases is 127 lb, then the blue suitcase weighs 35.3 lb
Let the gray suitcase be represented by g
Let the pink suitcase be represented by p
Let the blue suitcase be represented by b
The gray suitcase weighs 11 lb more than the pink suitcase
g = p + 11........(1)
The pink suitcase weighs 5 lb than the blue suitcase.
p = b + 5
b = p - 5...........(2)
Total of 3 suitcases = 127 lb
p + b + g = 127............(3)
Substitute equations (1) and (2) into equation (3)
p + p - 5 + p + 11 = 127
3p + 6 = 127
3p = 127 - 6
3p = 121
p = 121/3
p = 40.3 lb
Substitute p = 40.3 into equation (2)
b = p - 5
b = 40.3 - 5
b = 35.3
The blue suitcase weigh 35.3 lb
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Find the area of the figure. (Sides meet at right angles.)
5 yd
4 yd
2 yd
2 yd
yd
2 yd
4 yd
Answer:
1,024yd
Step-by-step explanation:
a=a to the second,= 32(2)= 1,024
You are a for-hire motor carrier. Subpart A requires you to maintain a minimum level of financial
responsibility when transporting any quantity of what type of material in intrastate commerce?
A. All hazardous material
B. Class 7 material
C. Division 1.2 explosive material
D. Nonbulk oil
E. Nonbulk hazardous materials
You have to maintain a minimum level of financial responsibility when transporting any type of hazardous material in intrastate commerce Option A is correct.
What is Interstate commerce?Interstate commerce refers to any transaction or movement of goods, services, or money over state lines.
You operate a motor carrier for hire. When shipping any quantity of hazardous material in intrastate trade, A mandates that you maintain a minimum degree of financial accountability.
Hence option A is correct.
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Answer: A is correct
Step-by-step explanation:
A play court on the school playground is shaped like a square joined by a semicircle. The perimeteraround the entire play court is 182.8 ft., and 62.8 ft. of the total perimeter comes from the semicircle.aWhat is the radius of the semicircle? Use 3.14 for atb.The school wants to cover the play court with sports court flooring. Using 3.14 for, how manysquare feet of flooring does the school need to purchase to cover the play court?
The total perimeter of the court is 182.8 ft, of this, 62.8ft represents the perimeter of the semicircle.
a)
The perimeter of the semicircle is calculated as the circumference of half the circle:
\(P=r(\pi+2)\)Now write it for r
\(\begin{gathered} \frac{P}{r}=\pi \\ r=\frac{P}{\pi} \end{gathered}\)Knowing that P=62.8 and for pi we have to use 3.14
\(\begin{gathered} r=\frac{62.8}{3.14} \\ r=20ft \end{gathered}\)The radius of the semicircle is r=20 ft
b.
To solve this exercise you have to calculate the area of the whole figure.
The figure can be decomposed in a rectangle and a semicircle, calculate the area of both figures and add them to have the total area of the ground.
Semicircle
The area of the semicircle (SC) can be calculated as
\(A_{SC}=\frac{\pi r^2}{2}\)We already know that our semicircla has a radius of 10ft so its area is:
\(A_{SC}=\frac{3.14\cdot20^2}{2}=628ft^2\)Rectangle
To calculate the area of the rectangle (R) you have to calculate its lenght first.
We know that the total perimeter of the court is 182.8ft, from this 62.8ft corresponds to the semicircle, and the rest corresponds to the rectangle, so that:
\(\begin{gathered} P_T=P_R+P_{SC} \\ P_R=P_T-P_{SC} \\ P_R=182.8-62.8=120ft \end{gathered}\)The perimeter of the rectangle can be calculated as
\(P_R=2w+2l\)The width of the rectangle has the same length as the diameter of the circle.
So it is
\(w=2r=2\cdot20=40ft\)Now we can calculate the length of the rectangle
\(\begin{gathered} P_R=2w+2l \\ P_R-2w=2l \\ l=\frac{P_R-2w}{2} \end{gathered}\)For P=120ft and w=40ft
\(\begin{gathered} l=\frac{120-2\cdot40}{2} \\ l=20ft \end{gathered}\)Now calculate the area of the rectangle
\(\begin{gathered} A_R=w\cdot l \\ A_R=40\cdot20 \\ A_R=800ft^2 \end{gathered}\)Finally add the areas to determine the total area of the court
\(\begin{gathered} A_T=A_{SC}+A_R=628ft^2+800ft^2 \\ A_T=1428ft^2 \end{gathered}\)The water level is a number that indicates whether the level is above or below normal using positive or negative values. After a heavy storm, the water level of a river is −3.7 feet. This level is 1/2 times 2.5 feet more than the previous water level.
What was the previous water level?
A. -18.5
B. -9.9
C. -4.9
D. -4.3
Note: I think it is -4.9. If you have the actual right answer please leave it down below. Thanks.
Answer:
I also believe it is -4.9 but I may be mistaken
Step-by-step explanation:
JKLM is a rhombus.
m/JMN = (-x+69)*
mZLMJ = (-6x +166)
K
N
M
Find the mZLKN.
label optional
The angle LKN in the rhombus is 62 degrees.
How to find angles in a rhombus?A rhombus is a quadrilateral that has 4 sides equal to each other. The sum of angles in a rhombus is 360 degrees.
Opposite angles are equal in a rhombus. The diagonals bisect each other at 90 degrees. Adjacent angles add up to 180 degrees.
Therefore, let's find ∠LKN as follows:
m∠JMN = (-x + 69)
m∠LMJ = (-6x + 166)
Therefore,
1 / 2 (-6x + 166) = -x + 69
-3x + 83 = -x + 69
-3x + x = 69 - 83
-2x = -14
x = -14 / -2
x = 7
Therefore,
∠LKN = 1 / 2 (-6x + 166)
∠LKN = 1 / 2 (-6(7) + 166)
∠LKN = 1 / 2 (-42 + 166)
∠LKN = 62 degrees
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A week have five school days and two weekend days. Write as ratio
Answer:
5:2
Step-by-step explanation:
What is the value of -4° +(5-2)(-6)? 0 - 34 O-2 O 10 O 34
Answer:
-22
Step-by-step explanation:
-4 + (5 - 2)(-6)
-4 + (3)(-6)
-4 + (-18)
-4 - 18
-22
Best of Luck!
What is the solution to this system of equations?X+ 2y = 4| 2x-2y = 5(3.-5)(3.)no solutioninfinitely many solutions
The given system of equation :
x +2y =4
2x -2y =5
On adding both equation we get
x+2y+2x-2y=4+5
3x=9
x=3
So, for y, substitute x=3
x+2y=4
3+2y=4
2y=4-3
2y=1
y=1/2
The solutions is (3,1/2)
The system of linear equation have infintely many solution if they are coincidient, i.e. slope are equal
The given expression :
x+2y =4
2y=4-x
y=(4-x)/2
y = 2-x/2
So slope is (-1/2)
The second equation : 2x-2y=5
2y=2x-5
y=(2x-5)/2
y=x-
Is the expression 42/-7 undefined if not, find the quotient. (the fraction is dividing)
Answer:
The expression 42/-7 isn't undefined... The quotient is -6
Step-by-step explanation:
The value of the expression 42 / -7 will be -6 the expression is defined.
What is an expression?The mathematical expression is the combination of numerical variables and operations denoted by addition, subtraction, multiplication, and division signs.
Mathematical symbols can be used to represent numbers (constants), variables, operations, functions, brackets, punctuation, and grouping. They can also be used to denote the logical syntax's operation order and other properties.
The given expression is 42/-7. The expression will be solved as below:-
E = -42 / 7
E = -6
Therefore, the value of the expression 42 / -7 will be -6 the expression is defined.
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X 8.2.79
Question Help
A dietitian at a hospital wants a patient to have a meal that has 64 grams of protein, 29 grams of carbohydrates, and 72.5 milligrams of vitamin A The hospital food
service tells the dietitian that the dinner for today is salmon steak, baked eggs, and acorn squash. Each serving of salmon steak has 40 grams of protein, 10 grams
carbohydrates, and 1 milligram of vitamin A. Each serving of baked eggs contains 20 grams of protein, 2 grams of carbohydrates, and 20 miligrams of vitamin A
Each serving of acom squash contains 4 grams of protein, 20 grams of carbohydrates, and 32 milligrams of vitamin A How many servings of each food should the
dietitian provide for the patient?
Answer:
steak: 1/2baked eggs: 2acorn squash: 1Step-by-step explanation:
Let s, b, a represent the numbers of servings of steak, baked eggs, and acorn squash, respectively. Then the equations we want to solve are ...
40s +20b +4a = 64 . . . . grams of protein
10s +2b +20a = 29 . . . . grams of carbohydrate
1s +20b +32a = 72.5 . . . milligrams of vitamin A
There are any number of calculators or web sites that will solve this system of equations for you. The solution is ...
s = 0.5
b = 2
a = 1
The dietitian should provide 1/2 serving of steak, 2 servings of baked eggs, and 1 serving of acorn squash.
20 POINTS
Is x = 5 the correct solution to 2x + 3(x +1) = 2(3x +1) - 4
A. Yes, 5 is the correct answer.
B. No, 5 is not the correct answer.
C. It can not be determined.
The correct solution to 2x + 3(x +1) = 2(3x +1) - 4 is x = 5 (option A).
What is the solution?The given equation is a linear equation. A linear equation is made up of a single variable that is raised to the power of one. A linear equation is a straight line that slopes either upward or downward when drawn on a graph.
Th form of a linear equation is:
y = mx + b
b = intercept m = slopeThis is the given equation, 2x + 3(x +1) = 2(3x +1) - 4
In order to determine the value of x, take the following steps:
Expand the bracket: 2x + 3x + 3 = 6x + 2 - 4
Combine similar terms: 3 - 2 + 4 = 6x - 2x - 3x
Add similar terms together: 5 = x
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Jack is two years older than bob. If bob is x years old, what is the sum of jacks age and bobs age
Expression 2(x+1) represents the sum of bob and Jacks age.
What is Expression?An expression is combination of variables, numbers and operators.
Given,
Bob is x years old,
Jack is two years older than bob=x+2
we need to find the sum of jacks age and bobs age
x plus x plus two
x+x+2
Two times of x plus two
2x+2
Take two as common, two times of x plus one
2(x+1)
Hence expression 2(x+1) represents the sum of bob and Jacks age.
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log(x) + log (4) = log(12)
Solution:
The equation is given below as
\(logx+log4=log12\)By applying the logarithm law of multiplication, we will have
\(logM+logN=logMN\)By substituting the values, we will have
\(\begin{gathered} logx+log4=log12 \\ log(4\times x)=log12 \\ 4x=12 \\ \frac{4x}{4}=\frac{12}{4} \\ x=3 \end{gathered}\)Hence,
The value of x is
\(\Rightarrow x=3\)Given the perimeter of a rectangle and either the length or width, find the unknown measurement using the appropriate formula.
The perimeter is 96 in, and the length is 28 in.
The width of the rectangle is in
Answer:
2,688
Step-by-step explanation:
96 x 28 = 2,688
1. Simplify the expressions:
a) 9 oranges +8 apples -2 apples
9 orangess + 8 apples - 2 apples
Here apples are the like terms...
9 oranges + 8 apples - 2 apples
= 9 oranges + 6 apples
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