Multiply (8 + 3i)(3 + 5i).
39 + 49i
9 + 49i
24 + 15i2
24 + 49i + 15i2
Answers
Answer:
It's the last option "24 + 49i + 15i^2"
Step-by-step explanation:
To solve you must do FOIL, (First, Outer, Inner, Last). To do this, you must do:
8 × 3 = 24 , 8 × 5i = 40i , 3i × 3 = 9i , and
3i × 5i = 15i^2 .
Don't forget to combine like terms.
Altogether: 24 + 49i + 15i^2 .
Picture does better job at explaining FOIL⤴⤴⤴
Hope this helps :)
Answer: 9+49i
Step-by-step explanation:
Related Questions
A racing car on the straight accelerates from 100 km/h to 316 km/h in three seconds.
What is its acceleration?
Answers
Answer:
The acceleration of a car that travels in a straight line at a constant speed of 100 km/h is zero. Average.
What is
5
90
in decimal form?
Answers
Answer:
590 decimal form is 5.9
Step-by-step explanation:
Answer:
0.05555555555Step-by-step explanation:
it is only a division
5/90 =
5 : 90 =
0.05555555555
Choose the correct item from each drop-down menu to factor the trinomial 3x2 + 13x – 10 by grouping.
Answers
The factors of the given trinomial are (3x-2)(x+5).
What is trinomial?Trinomial is a polynomial having 3 terms. At least one variable and one operation (addition, subtraction, multiplication, division) must be present in an algebraic expression.
Given is a trinomial 3x²+13x-10, we need to factorize it,
So,
= 3x²+13x-10
To factorize a trinomial, we do find the product of the product of a and c (ax²+bx-c) and find its two factors so that we can add or subtract so that we can find the middle term (b) of the trinomial,
Here,
a = 3, c = 10
a × c = 30
Now,
15 and 2 are the factors of the 30, also 15 - 12 = 13 which is the middle term of the trinomial,
Therefore,
3x²+13x-10 = 3x²+15x-2x-10
= 3x(x+5)-2(x+5)
= (3x-2)(x+5)
Hence, the factors of the given trinomial are (3x-2)(x+5).
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Please solve the math problem for me... I will mark you brainliest
Answers
Answer:
The midpoint is (4,4)
Step-by-step explanation:
AB is a vertical line. This means the x value must be 4. The y value is halfway between 0 and 8, which is 4. Therefore, the midpoint is (4,4).
Answer:
The midpoint is (4,4)
Step-by-step explanation:
Use the midpoint formula to find the midpoint of the line segment.
Below is a picture of how it is graphed.
given r||s, what is the measure of <1 ?
Answers
Step-by-step explanation:
post the full question
hope this helps you.
The graph of a function is shown on the grid.
Which ordered pair best represents the location of the y-intercept?
Answers
Answer:
y-intercept = (0, -2)
Step-by-step explanation:
The y-intercept is the y-coordinate of the point (0, b) where the graph of the linear equation crosses the y-axis. The y-intercept is also the value of y when x = 0. Looking at your graph, it shows that the line crosses at point (0, -2).
Therefore, the correct answer is (0, -2).
Pepe paid $35.00 for 4 movie tickets. Each ticket cost the same amount. What was the cost of each movie ticket in dollars and cents?
Answers
Answer:
8.75 dollars per ticket
Step-by-step explanation:
Answer: 8.75 dollars per ticket
Step-by-step explanation:
=
The length of a rectangular room is 15 feet longer than the width. If the room's perimeter is 250 feet,
what are the room's dimensions?
Width = 70 ft; length = 280 ft
Width = 55 ft; length = 70 ft
Width = 70 ft; length = 35 ft
Width = 55 ft; length = 220 ft
Answers
Answer:
B. Width = 55ft; length = 70ft
Step-by-step explanation:
it is the only one in which the length is 15 ft longer than that of the width.
Find the slope of the line that passes through (3, 6) and (7, 7).
Answers
Answer:
0.25
Step-by-step explanation:
do y2-y1 divided by x2-x1
Answer:
1/4
Step-by-step explanation:
[tex]m=\frac{7-6}{7-3} =\frac{1}{4}[/tex]
I hope this help you
If Maria can read 8 pages in 40 minutes, how many pages can she read in 120 minutes?
Answers
write the equation through the points (0,9) and (5,13)
Answers
Answer:
4x-5y+45=0.
Step-by-step explanation:
1) formula is:
[tex]\frac{x-X_A}{X_B-X_A} =\frac{y-Y_A}{Y_B-Y_A};[/tex]
2) if point A is (0;9) and point B is (5;13), then:
[tex]\frac{x}{5} =\frac{y-9}{13-9}; \ => \frac{x}{5} =\frac{y-9}{4}; \ => \ 4x-5y+45=0.[/tex]
Please help
Mr. Fisher rode his bike from point A to B, then to C, What distance did he travel?
Answers
Answer: 7 m
Step-by-step explanation:
4 + 3 = 7
Answer:
7m
Step-by-step explanation:
Basically, from point A up to B is 4m and from B east to C is 3m.
Hope this helps!
Pls Help me!A,B,C OR D
Answers
Answer:
D. y = - 2/3x - 3Step-by-step explanation:
The slope is - 2/3 and the point on the line is (-3, -1).
Find the y-intercept:
-1 = (-3)(-2/3) + bb = -1 - 2b = -3The line is:
y = - 2/3x - 3Correct choice is D
Equation in point slope form
y+1=-2/3(x+3)y+1=-2/3x-2y=-2/3x-3Option D
30 POINTS AND BRAINLEST FOR ANSWER HELP!!!!!
Answers
Answer:
a
Step-by-step explanation:
=;
Trick Question!
9 < X^2< 99
Max. - Min. = ???
Answers
Answer:
3 < X < 3√11
-3√11 < X < -3
Step-by-step explanation:
The solution consists out of two intervals, so it is unclear what you want calculated with max - min...
If a value in the _______ occurs more than once, then the relation is NOT a function.
Fill in the blank
Answers
The definition of a function is " a relation from a set of inputs to a set of possible outputs where each input is related to exactly one output." (Mathinsight)
Therefore is a number (x values) appears more than once in the domain then this would not be a function since it doesn't fit the definition of a function.
Simplify (Remember to simplify means to write an equivalent expression that uses each variable on')
not have zero or negative exponents.
Answers
Answer:
A) [tex]x^{3} y^{4}[/tex]
B) [tex]-\frac{5x^{2} }{y}[/tex]
C) [tex]9m^{4}n^{4}[/tex]
D)[tex]\frac{1}{x^{3} }[/tex]
Step-by-step explanation:
Hope this helps.
Solve for x: x - 10 = -12
Answers
Answer:
The answer is -2
Step-by-step explanation:
First you do +10 on both sides leaving you with x = -2
And that is your final answer (x=-2)
Can I have brainliest? It would help me out, if not thanks anyways! Hope this helped and have a nice day!
Answer:
[tex]\boxed {\sf x=-2}[/tex]
Step-by-step explanation:
[tex]\sf x - 10 = -12[/tex]
[tex]\boxed{\mathrm{Add\:}10\mathrm{\:to\:both\:sides}}[/tex]
[tex]\sf x-10+10=-12+10[/tex]
[tex]\sf x=-2[/tex]
__________________
standard form of (x+4)(x-6
Answers
x^2 - 6x + 4x - 24
X^2 - 2x - 24
Help me
Number questions
Answers
Step-by-step explanation:
a) Four thousand five hundred thirty-six.
b) arrange in descending order
3456.
c) since we have to make odd number therefore once digit will be odd , 3 ( or 5 too )
so, the number is 6543.
hope this answer helps you dear!
guy pls help me!!!!!
Answers
Answer:
x = 38
Step-by-step explanation:
180° - 142° = 38 °
....
jika abcd adalah jajar genjang dengan koordinat titik A(-2,-1). B(3,-1) dan C (5,3) maka koordinat titik d adalah
a. D (3,0)
b. D ( 2,3)
c. D (-4,3)
d. D (0,3)
jumlah bilangan genap antara 0 dengan 51
a. 100
b. 650
c. 2500
d. 98
jumlah bilangan genap kelipatan 3 antara 20 dengan 100 adalah
a. 78
b. 120
c. 780
d. 13
Answers
1. D. (0,3)
2. B. 650
3. C. 780
Bener semua kok
semoga membantu.
kasi brainliest oi wkwkwk
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Answers
I must speak in your language
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Please help meeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee thx
Answers
Answer:
Well, the answer is n= -1
Step-by-step explanation:
Isolate the variable by dividing each side by factors that don't contain the variable.
pls help me on this thank you
Answers
Answer:
C) y+6=-2(x-4)
Step-by-step explanation:
solve using long division (4x^4-15x^3+7x^2-1) divided by (x^3-x+2)
Answers
Answer:
x = 7/2 = 3.500
x = 4
x= 0.0000 - 1.4142 i
x= 0.0000 + 1.4142 i
Step-by-step explanation:
sorry if its wrong
equation of line M is Y=5/8x+1 . Line N is perpendicular to M. What is the slope of line N?
Answers
Step-by-step explanation:
the slope of a line is always the factor of x in the equation. in our case here : 5/8.
the slope is the y/x ratio indicating how many units y changes, when x changes by a certain amount of units (e.g. when going from one point on the line to another).
the perpendicular slope (crosses the original line in a right angle = 90 degrees) turns x and y upside-down and flips the sign.
so, in our case, it is -8/5.
HI HELP ME W MATH PLSS!!
Hannah drove her car 318.4km in 4h
a) Calculate her average speed=
b) At this speed, how far can she expect to travel in 5.5 h? =
Answers
Answer:
a) 79.6
b) 437.8
Step-by-step explanation:
First, you have to do 318.4/4 to find the rate she goes in the duration of an hour. The rate is 79.6, which means she travels at a rate of 79.6 kilometers per hour.
Then, you have to find the distance she takes to travel in 5.5 hours, so you have to do 5.5*79.6 which is 437.8.
So, Hannah travels 437.8 kilometers in 5.5 hours.
Solve algebraically for all values of x:
8x^4-70x^3-18x^2
Answers
Answer:
x= 0
x= 9
x= -1/4
Step-by-step explanation:
(look at the pic I posted)
What is the value of 2/3(x-6)-Y when x = 9 and y = 5/6?
Answers
Replace x and y with the given values:
2/3(9-6) - 5/6
Simplify:
2/3(3) - 5/6
Multiply:
2 - 5/6
Subtract:
1 1/6
Answer 1 and 1/6
The required simplified value of 2/3(x-6)-Y when x = 9 and y = 5/6 is 7/6.
To find the value, substitute the given values of x and y into the expression:
2/3(x - 6) - y
= 2/3(9 - 6) - 5/6
= 2/3(3) - 5/6
= 2 - 5/6
To subtract fractions, you need a common denominator:
= 12/6 - 5/6
= 7/6
Therefore, the simplified value of 2/3(x-6)-Y when x = 9 and y = 5/6 is 7/6.
Learn more about simplification here:
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