1.50 x 10 ^5 / 5.0 x 10^1 in scientific notation
What is the answer???
Answer:
f = 90 + 32
= 122° (exterior angle)
Which of the following is
equivalent to the complex number
I27?
The equivalent to the complex number i²⁷ is -i.
what is complex numbers?Every complex number may be represented in the form a + bi, where a and b are real numbers. A complex number is an element of a number system that extends the real numbers with a specific element labeled I sometimes known as the imaginary unit, and satisfying the equation
i² = 1.
Given that,
i²⁷ is a complex number
i²⁷ = i²⁴⁺³
i²⁷ = i²⁴ ₓ i³
i²⁷ = i⁴⁽⁶⁾ ₓ i²⁺¹
i²⁷ = (i⁴)⁶ . i².i
Here, we know that i² = -1
so, i⁴ = (i²)²
i⁴ = 1
Hence, 1⁶(-1)(i) = -i
Therefore, the equivalent to the complex number i²⁷ is -i.
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The table represents some points on the graph of a linear function. What is the rate of change of y with respect to x for this function?
X y
5 2
10 3
15 4
20 5
The rate of change of y with respect to x for this linear function is 1/5 or 0.2
What is a linear function?A linear function is a type of function whose equation is graphically represented by a straight line on the cartesian coordinate. This ultimately implies that, a linear function is typically used for uniquely mapping an input variable to an output variable.
How to calculate the average rate of change?Mathematically, the average rate of change (slope) of a linear function can be calculated by using this formula;
[tex]Slope = \frac{Change\;in\;y\;axis}{Change\;in\;x\;axis}\\\\Slope = \frac{y_2\;-\;y_1}{x_2\;-\;x_1}[/tex]
Substituting the given points into the formula, we have;
Average rate of change = (3 - 2)/(10 - 5) = (4 - 3)(15 - 10)
Average rate of change = 1/5 or 0.2
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What is the y-intercept of the online given by the equation below
y= -10x+14
Answer:
y - intercept = 14
Step-by-step explanation:
the equation of a line in slope- intercept form is
y = mx + c ( m is the slope and c the y- intercept )
y = - 10x + 14 ← is in slope- intercept form
with y- intercept c = 14
Which of the following lists of ordered pairs is a function?
A.) (1, 2), (1, –2), (3, 2), (3, 4)
B.) (0, 2), (2, 3), (0, –2), (4, 1)
C.) (1, 6), (2, 7), (4, 9), (0, 5)
D.) (2, 4), (0, 2), (2, –4), (5, 3)
Answer: d
Step-by-step explanation:
im new at this but i am pretty sure it would be d
0.3(4+x)=4.5
Please help me out, I need this answer ASAP,
I give u 10 pts, thank u SOOO much :3
Answer: x=11
Step-by-step explanation:
Answer:
[tex] \sf \: x = 11[/tex]
Step-by-step explanation:
Given equation,
→ 0.3(4 + x) = 4.5
Now the value of x will be,
→ 0.3(4 + x) = 4.5
→ 1.2 + 0.3x = 4.5
→ 0.3x = 4.5 - 1.2
→ 0.3x = 3.3
[tex] \sf \rightarrow \: x = \frac{3.3}{0.3} [/tex]
→ [ x = 11 ]
Hence, the value of x is 11.
phythegorean theorem
Answer: 6.782
Step-by-step explanation:
URGENT!!!!!
math assignment(not to be confused with assessment) that I need help with
Answer: DF
Step-by-step explanation:
7) G is the midpoint of FH. If FG-70 what is the mFH?
A. 35 B. 140
C. 105
D. 100
Answer:
A
Step-by-step explanation:
what is the answer???????
Answer: Where P is.
Step-by-step explanation
Select the correct answer.
What is the solution to |x - 6| ≥ 5?
A. 1 ≤ x ≤ 11
B. -11 ≤ x ≤ 1
C. x ≥ 11 or x ≤ 1
D. x ≥ 1 or x ≤ -11
Answer:
C. x ≥ 11 or x ≤ 1
Step-by-step explanation:
x - 6 + 6 ≥ 5 + 6
x ≥ 11
x - 6 ≤ -5
x - 6 + 6 ≤ -5 + 6
x ≤ 1
Hope this helps! :)
Which of the following is equivalent to (2x² − y)²?
URGENT!!!!
answer options:
cannot be determined
closer to point A
closer to point B
the same distance from both point a and b
Point M has the same distance from point A and point B (option d).
Given,
Line segment CD is the perpendicular bisector of line segment AB
AB ⊥ CD
Assume the conjecture that the set of points equidistant from A
and B is the perpendicular bisector of AB is true
Here, line segment CD intersect line segment AB at M
Then, M is the mid-point of line segment AB
So, the length of line AM = the length of line MB
That is, Point M has the same distance from both point A and point B.
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What is 2x-8=34?
please answer quickly
Answer: x=21
Step-by-step explanation:
2x-8=34 (change the -8 into a positive since it doesn't have a variable)
34+8=42 (divide 34 by 2)
42/2=21
Check your answer
2 x 21 = 42
42-8=34
x=21
Solve for the value of x in the given rational inequalities.
Answer:
see explanation
Step-by-step explanation:
1
1 + [tex]\frac{x-5}{2}[/tex] - [tex]\frac{x+3}{5}[/tex] ≤ 0
multiply through by 10 ( the LCM of 2 and 5 ) to clear the fractions
10 + 5(x - 5) - 2(x + 3) ≤ 0 ← distribute parenthesis on left side and simplify
10 + 5x - 25 - 2x - 6 ≤ 0
3x - 21 ≤ 0 ( add 21 to both sides )
3x ≤ 21 ( divide both sides by 3 )
x ≤ 7
2
[tex]\frac{6x}{5}[/tex] - [tex]\frac{2}{3}[/tex] ≥ 4
multiply through by 15 ( the LCM of 5 and 3 ) to clear the fractions
18x - 10 ≥ 60 ( add 10 to both sides )
18x ≥ 70 ( divide both sides by 18 )
x ≥ [tex]\frac{70}{18}[/tex] , that is
x ≥ [tex]\frac{35}{9}[/tex]
3
[tex]\frac{x}{10}[/tex] - [tex]\frac{2}{8}[/tex] ≥ 1
multiply through by 40 ( the LCM of 10 and 8 ) to clear the fractions
4x - 10 ≥ 40 ( add 10 to both sides )
4x ≥ 50 ( divide both sides by 4 )
x ≥ [tex]\frac{50}{4}[/tex] , that is
x ≥ [tex]\frac{25}{2}[/tex]
Answer:
[tex]\textsf{1.} \quad x \leq 7[/tex]
[tex]\textsf{2.} \quad x \geq \dfrac{35}{9}[/tex]
[tex]\textsf{3.} \quad x \geq \dfrac{25}{2}[/tex]
Step-by-step explanation:
Question 1Given inequality:
[tex]1+\dfrac{x-5}{2}-\dfrac{x+3}{5} \leq 0[/tex]
[tex]\textsf{Add \; $\dfrac{x+3}{5}$ \; to both sides}:[/tex]
[tex]\implies 1+\dfrac{x-5}{2}-\dfrac{x+3}{5} +\dfrac{x+3}{5}\leq 0+\dfrac{x+3}{5}[/tex]
[tex]\implies 1+\dfrac{x-5}{2}\leq \dfrac{x+3}{5}[/tex]
[tex]\textsf{Rewrite $1$ as $\dfrac{2}{2}$}:[/tex]
[tex]\implies \dfrac{2}{2}+\dfrac{x-5}{2}\leq \dfrac{x+3}{5}[/tex]
[tex]\textsf{Apply the fraction rule} \quad \dfrac{a}{c}+\dfrac{b}{c}=\dfrac{a+b}{c}:[/tex]
[tex]\implies \dfrac{2+x-5}{2}\leq \dfrac{x+3}{5}[/tex]
[tex]\implies \dfrac{x-3}{2}\leq \dfrac{x+3}{5}[/tex]
Cross multiply:
[tex]\implies 5(x-3)\leq 2(x+3)[/tex]
[tex]\implies 5x-15\leq 2x+6[/tex]
Subtract 2x from both sides:
[tex]\implies 5x-15-2x\leq 2x+6-2x[/tex]
[tex]\implies 3x-15\leq 6[/tex]
Add 15 to both sides:
[tex]\implies 3x-15+15\leq 6+15[/tex]
[tex]\implies 3x\leq 21[/tex]
Divide both sides by 3:
[tex]\implies \dfrac{3x}{3}\leq \dfrac{21}{3}[/tex]
[tex]\implies x \leq 7[/tex]
---------------------------------------------------------------------------------------
Question 2Given inequality:
[tex]\dfrac{6x}{5}-\dfrac{2}{3} \geq 4[/tex]
[tex]\textsf{Add \; $\dfrac{2}{3}$ \; to both sides}:[/tex]
[tex]\implies \dfrac{6x}{5}-\dfrac{2}{3} +\dfrac{2}{3}\geq 4+\dfrac{2}{3}[/tex]
[tex]\implies \dfrac{6x}{5}\geq \dfrac{12}{3}+\dfrac{2}{3}[/tex]
[tex]\implies \dfrac{6x}{5}\geq \dfrac{12+2}{3}[/tex]
[tex]\implies \dfrac{6x}{5}\geq \dfrac{14}{3}[/tex]
Cross multiply:
[tex]\implies 3(6x) \geq 14(5)[/tex]
[tex]\implies 18x \geq 70[/tex]
Divide both sides by 18:
[tex]\implies \dfrac{18x}{18} \geq \dfrac{70}{18}[/tex]
[tex]\implies x \geq \dfrac{70}{18}[/tex]
Reduce the fraction by dividing the numerator and the denominator by 2:
[tex]\implies x \geq \dfrac{70 \div 2}{18 \div 2}[/tex]
[tex]\implies x \geq \dfrac{35}{9}[/tex]
---------------------------------------------------------------------------------------
Question 3Given inequality:
[tex]\dfrac{x}{10}-\dfrac{2}{8} \geq 1[/tex]
[tex]\textsf{Add \; $\dfrac{2}{8}$ \; to both sides}:[/tex]
[tex]\implies \dfrac{x}{10}-\dfrac{2}{8} +\dfrac{2}{8}\geq 1+\dfrac{2}{8}[/tex]
[tex]\implies \dfrac{x}{10}\geq \dfrac{8}{8}+\dfrac{2}{8}[/tex]
[tex]\implies \dfrac{x}{10}\geq \dfrac{8+2}{8}[/tex]
[tex]\implies \dfrac{x}{10}\geq \dfrac{10}{8}[/tex]
Cross multiply:
[tex]\implies 8(x) \geq 10(10)[/tex]
[tex]\implies 8x \geq 100[/tex]
Divide both sides by 8:
[tex]\implies \dfrac{8x}{8} \geq \dfrac{100}{8}[/tex]
[tex]\implies x \geq \dfrac{100}{8}[/tex]
Reduce the fraction by dividing the numerator and the denominator by 4:
[tex]\implies x \geq \dfrac{100 \div 4}{8 \div 4}[/tex]
[tex]\implies x \geq \dfrac{25}{2}[/tex]
15 times 3 plus 12 time 2 using a t chart
Answer:
69
Step-by-step explanation:
15*3=45
12*2=24
45+24= 69
Answer: 114
Step-by-step explanation:
15×3+12×2
15×3=45
45+12=57
57×2=114
how do I multiply 1 * 1
We have the following:
Multiplication is the product between two numbers, it is the number of times the number to be multiplied is repeated. In this case, it would be 1 time 1
[tex]1\cdot1=1[/tex]The answer is 1
A comet is about 6.64 × 107 miles from Earth. Write this number in standard form.
Answer:710.48 miles
Step-by-step explanation:
look it up
What is the area of trapezoid ABCD? Enter your answer as a decimal or whole number in the box. Do not round at any steps.
The area of the trapezoid is given as 100. See the explanation for the same below.
What is a Trapezoid?A trapezoid is a quadrilateral with at least one set of parallel sides in American and Canadian English. A trapezoid is known as a trapezium in British and other varieties of English.
To find the length of each side of the trapezoid, you need to use the distance formula.
AB = (-1,5) and (3,2)
BC = (3,2) and (0,-2)
CD = (0,-2) and (-13, -11)
AD or DA = (-1,5) and(-13, -11)
Now, just use the distance formula for each line.
The Distance Formula is given as: d=√((x2 – x1)² + (y2 – y1)²).
Distance AB = √((3 – (-1))² + (2 – 5)²).
= √(4)² + (-3)²
= √(16+9)
= √25
AB = 5
lets us repeat this for the other section we will get:
Doing so gives us for all the points:
AB = 5
BC = 5
CD = 15.811388300842
DA or AD = 20
Note that:
The height is AD, the first base is AB and the second base is BC. We can plug the values for these sides into the trapezoid area formula, which is:
A = (base 1 + base 2) / 2 x height.
A = (5+5)/2 x 20
A = 5 x 20
A = 100.
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Find the distance between the following two points: (3, 2) and (0, -4).
The distance between the 2 given points is √45.
What is the distance?Distance is the sum of an object's movements, regardless of direction. The distance can be defined as the amount of space an object has covered, regardless of its starting or ending point. Distance is a measurement of how far apart two objects or points are, either numerically or occasionally qualitatively. The distance can refer to a physical length in physics or to an estimate based on other factors in common usage.So, the distance between (3, 2) and (0, -4) is:
The distance formula: D = √[(x₂ - x₁)² + (y₂ - y₁)²]Now, substitute the values in the formula and solve as follows:
D = √[(x₂ - x₁)² + (y₂ - y₁)²]D = √[(0 - 3)² + ((-4) - 2)²]D = √[(-3)² + (-6)²]D = √[9 + 36]D = √45Therefore, the distance between the 2 given points is √45.
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Quadrilateral QRST is shown. Two students each perform a different reflection on
the original figure.
Use the drop-down menus to give the coordinates of point T' after each reflection
When Ramona reflect the original figure over the x-axis, the coordinate of point T' will be (-2, -4). When Elias reflect the original figure over the y-axis, the coordinate of point T' will be (2, 4).
What is a reflection?A reflection can be defined as a type of transformation which moves every point of the object by producing a flipped but mirror image of the geometric figure.
In Mathematics, a reflection over the x-axis is given by this transformation rule:
(x, y) → (x, -y)
Point T = (-2, 4) → Point T' = (-2, -4)
In Geometry, a reflection over the y-axis of a graph is given by this transformation rule (x, y) → (-x, y). This ultimately implies that, the coordinates of point T' after a reflection over the y-axis is as follows:
Point T = (-2, 4) → Point T' = (-(-2), 4) = (2, 4)
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Help needed for trigonometry !!!
Answer:
k = 53.13°
Step-by-step explanation:
[tex]{ tan (k) = \dfrac{\text{side opposite k}}{\text{side adjacent k}}}[/tex]
[tex]= \dfrac{35}{JK}\\\\\textrm{Since JK is a right triangle, by the Pythagorean theorem }\\JK = \sqrt{IK^2 - IJ^2}}\\\\= \sqrt{35^2 - 28^2}\\\\\\ =\sqrt{1225 - 784}\\\\= \sqrt{441}\\\\= 21[/tex]
[tex]\tan(k) = \dfrac{28}{21} = 1.333\\\\k = \tan^{-1}(1.333)\\\\= 53.13^\circ[/tex]
The scale of a map of Pennsylvania is 1 inch: 25 miles. The actual distance from Ambridge to Pittsburgh is 20 miles. What is the distance on the map?
Step-by-step explanation:
1 inch = 25 miles
or as ratio
1 inch : 25 miles
1 : 25 or 1/25
a ratio is nothing else than a fraction (just with special meaning, but the handling, calculation, transformation and simplification is the same).
the checked distance is 20 miles.
so, we need to transform the ratio (in the same way as we transform fractions) to show 20 instead of 25 in the denominator.
25 × f = 20
f = 20/25 = 4/5
remember, we need to multiply 1/25 by f/f to keep the original value of the ratio unchanged.
1/25 × 4/5/4/5 = (4/5)/(25×4/5) = (4/5)/20
so, the distance on the map is 4/5 in.
30 points please help asap!!
Which statement describes a reflection?
A.
A reflection occurs when a point and its image are equidistant from a line on the opposite sides of the line and the line segment joining the two points is perpendicular to the line.
B.
A reflection moves points a specified distance along a line perpendicular to a specified line.
C.
A reflection moves points a specified distance along a line parallel to a specified line.
D.
A reflection occurs when an object moves in a circular arc around a point.
Answer:
A. A reflection occurs when a point and its image are equidistant from a line on the opposite sides of the line and the line segment joining the two points is perpendicular to the line.
Hope this helps! :)
A social security number contains nine digits, such as 273-41-2406. How many different social security numbers can be formed?
Answer: 5 more!
Step-by-step explanation:
Due to the lack of numbers your could do about 4 - 5 more security numbers!
Answer:
I think 81
Step-by-step explanation:
I'm not too sure since 9 x 9 is 81 but im not sureeee
two members of the math competition team solve 13 problems in 1 hour. If all team members solve problems at the same rate how many tema members are needed to solve 39 problems in 1 hour
In a case whereby two members of the math competition team solve at the rate 13 problems in 1 hour, the members that are needed to solve 39 problems in 1 hour is 6 member of the team.
How can the rate be calculated?Since two members solve 13 problems in 1 hour, which implies that
2 members= 13 problem/ hr
Then if we want to calculate the number of the team that will be able to solve the problem at the rate of 39 problems in 1 hour, we can represent the number required as X.
Then X = 39 problems/hr.
2 members= 13 problem/ hr
Then in this case we can cross multiply as follows:
13 problem/ hr * X = 39 problems/hr * 2
Then we can make X the subject of the formular as X =( 78 /13)
= 6 member of the team.
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Suppose that an individual has a body fat percentage of 14.4% and weighs 148 pounds. How many pounds of her weight is made up of fat? Round your answer to the nearest tenth.
An individual has a body fat percentage of 14.4% and weighs 148 pounds,
total pounds of her weight is made up of fat is 21.3pounds (nearest tenth).
As given in the question,
Total weight of an individual =148pounds
Percentage of her weight made up of fat = 14.4%
Pounds of her weight is made up of fat = 14.4% of 148
= ( 14.4 / 100 ) × 148
= 21.3 pounds (nearest tenth)
Therefore, an individual has a body fat percentage of 14.4% and weighs 148 pounds, total pounds of her weight is made up of fat is 21.3pounds(nearest tenth).
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At which ordered pair will the function f(x) = Vx - 4 + 7
The ordered pair at which the function f(x) = √(x - 4) + 7 would begin on the coordinate plane is (4, 7).
What is a graph?A graph can be defined as a type of chart that's commonly used to graphically represent data on both the horizontal and vertical lines of a cartesian coordinate, which are the x-axis and y-axis.
What is an ordered pair?An ordered pair can be defined as a pair of two elements that are typically written in a fixed order within parentheses as (x, y), which represents the x-axis (abscissa) and the y-axis (ordinate) on a coordinate plane.
By critically observing the graph of this function (see attachment), the ordered pair would begin at (4, 7) on the cartesian coordinate.
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Complete Question:
At which ordered pair will the function f(x) = √(x - 4) + 7 begin on the
coordinate plane?
Simplify to create an equivalent expression.
\qquad{5(10k+1)+2(2+8k)}5(10k+1)+2(2+8k)5, left parenthesis, 10, k, plus, 1, right parenthesis, plus, 2, left parenthesis, 2, plus, 8, k, right parenthesis
Choose 1 answer:
Choose 1 answer:
(Choice A)
A
66k+966k+966, k, plus, 9
(Choice B)
B
64k+964k+964, k, plus, 9
(Choice C)
C
66k+5466k+5466, k, plus, 54
(Choice D)
D
64k-964k−964, k, minus, 9