Answer:
8-7i 8 is the real part and -7 is the imaginary part
19i 0 is the real part and 19 is the imaginary part
Step-by-step explanation:
8-7i 8 + (-7) i the real part is 8 the -7 is the imaginary part
19i 0 + 19i the real part is 0 the 19 is the imaginary part
The real and imaginary parts of complex numbers 8 - 7i and 19i are given below:
For the complex number 8 - 7i, the real part is 8 and the imaginary part is -7.
For the complex number 19i, the real part is 0 and the imaginary part is 19.
points and brainliest!
is this a function?
true or false
Answer:
false
Step-by-step explanation:
it fails the vertical line test, (x cannot be equal to 2 or more y values or its not a function)
To check if a graph is a function, we use the vertical line test. If your run a vertical line over the function, are there any places where the line intersects the graph more than once? If so, it's not a function.
In this case, if we have a line at x = 0, the line will go through more than one point - (0, 0) and (0, 3.1) [exact value doesn't matter, what matters is that there's a point there]. That means that this is not a function, so the statement is false.
Patel is solving 8x? + 16x + 3 = 0. Which steps could he use to solve the quadratic equation? Select three options,
Answer:
8x+16x+3=0
24x+3=0
24x=3
x=24÷3
x=8
is the sequence 1,0,-1,0 geometric
Answer:
no
Step-by-step explanation:
there has to be a common value that they are all multiplied by
If n+5/5=f+9/9, then n/5=
Answer:
f/9
Step-by-step explanation:
(n + 5)/5 = (f + 9)/9
n/5 + 1 = f/9 + 1
n/5 = f/9
Junior's box of animal crackers contains ten elephants, ten monkeys, ten zebras, and ten lions. Without looking, Junior grabs one cracker from the box and eats it. What is the probability that both crackers were lions?
Answer:
3/52
Step-by-step explanation:
10/40 x 9/39 = 3/52
Final answer:
The probability that both animal crackers Junior grabs from the box are lions is approximately 5.75%.
Explanation:
The question asks to calculate the probability that both animal crackers Junior grabs from the box are lions. With a total of 40 animal crackers (10 elephants, 10 monkeys, 10 zebras, and 10 lions), the probability of picking a lion first is 10/40 or 1/4. After eating one lion, there are now 39 crackers left and only 9 lions. The probability of picking a second lion is 9/39. To find the probability that both crackers eaten are lions, we multiply the probabilities of these two independent events: (1/4) * (9/39) = 9/156 or 1/17.39. This simplifies to approximately 0.0575 or 5.75%.
What is the volume of this cylinder?
Use n = 3.14 and round your answer to the nearest hundredth.
Answer:
12762.72 cubic meters
Step-by-step explanation:
The volume of a cylinder is denoted by the formula: [tex]V=\pi r^{2} h[/tex], where r is the radius and h is the height.
Here, we see that the height h = 11.5 m. We also see that the diameter is 37.6 meters. Since diameter = 2 * radius, we can divide this number by 2 to get the radius: r = 37.6/2 = 18.8 meters.
Now substitute these values into the equation:
[tex]V=\pi *(18.8^2)*11.5=3.14*(18.8^2)*11.5=12762.72[/tex] cubic meters
Hope this helps!
Answer:
[tex]12769.19m^{3}[/tex]
Step-by-step explanation:
The formula for the area of a circle is:
[tex]\pi r^{2}[/tex]
To work this out you would first have to find the area of the circle. To do this you would first divide 37.6 by 2, which gives you 18.8. Then to find the area you would multiply pi by 18.8 squared, which gives you [tex]1110.36m^{2}[/tex]. Then To find the volume you would multiply 1110.36 by 11.5, which gives you [tex]12769.19m^{3}[/tex].
To find the volume of a prism you would find the area of the main face and multiply it by the height.
1) Divide 37.6 by 2.
[tex]37.6/2=18.8[/tex]
2) Multiply [tex]\pi[/tex] by 18.8 squared.
[tex]\pi *18.8^{2}=1110.36m^{2}[/tex]
3) Multiply 1110.34 by 11.5.
[tex]1110.36*11.5=12769.19m^{3}[/tex]
Remember when finding the area, thee answer is always going to be squared.
Remember when finding the volume the answer is always going to be cubed.
Eleana and her grandfather both had birthdays last week.
• The sum of their ages is 100 years.
• Her grandfather's age is 4 times Eleana's age.
How old is Eleana and her grandfather?
Answer:
Eleana is 20 years old and her grandfather is 80 years old.
Step-by-step explanation:
So first off, we want to make variables to represent Eleana and her grandfather.
Let x represent Eleana's age.
Since her grandfather is four times older than Eleana,
The expression should be 4x+x=100
Step One
Add the x's together and you get 5x=100.
Step Two
Divide both numbers by 5 to solve for x.
x=20
Simplify:
(18)2(3)2(4)3
(6)2(2)3
A) 81
B) 124
C) 140
D) 648
Answer:
The value of a = 4 and b = 3 make the equation true, the correct option is D.
Step-by-step explanation:
Square root
The square root is defined as the value given the original value.
Given information
Equation;
The values of a and b are;
On comparing with the equation both sides;
The value of a is 4 and b is 3.
Hence, The value of a = 4 and b = 3 make the equation true, the correct option is D.
What is the effect on the graph of the function f(x) =^8x when f(x) is replaced with f(x − 2)?
Answer:
f(x - 2) = 8x - 16
Step-by-step explanation:
f(x) = 8x
f(x - 2) = 8(x - 2)
f(x - 2) = 8x - 16
can someone please help me i would be very grateful
Questions 4,5,6,7,8,9
HELP
can someone please help
Answer:
Step-by-step explanation:
1)
[tex]\frac{5}{24}+\frac{2}{3-x}=\frac{1}{4}\\\\\frac{5}{24}-\frac{1}{4}=\frac{-2}{3-x}\\\\\frac{5}{24}-\frac{1*6}{4*6}=\frac{-2}{3-x}\\\\\frac{5-6}{24}}=\frac{-2}{3-x}\\\\\frac{-1}{24}}=\frac{-2}{3-x}\\\\\\(-1)*(3-x)=(-2)*24\\\\-1*3-(-1)*x = -48\\\\-3 + x = -48\\\\x = -48 + 3\\\\x = -45[/tex]
x = -45
2)
x- 8.75 = 7.63 helppppp
Hi there! Hopefully this helps!
----------------------------------------------------------------------------------------------
Answer: X = 16.38
To see what X equals, you need to do the inverse of the operation use.
For example, this equation uses subtraction, so to solve it we use addition.
||
\/
8.75 + 7.63 = 16.38.
So, 16.38 - 8.75 = 7.63.
Which of these is not a Pythagorean Triple?
Select one:
a. 5,12,13
b. 3,4,5
c. 1,2,3
d. 7,24,25
Answer:
C because the rest are pythagoreaum theroems 1 squared plus 2 squared does not equal 3 squared.
Step-by-step explanation:
If h is instead negative, the curve shifts
pls help thankssssssssssssssssssssssssssssss
Answer: The answer is 525.
Step-by-step explanation:
7*(5)^2*(3)= 525
Write a system of equations that matches the graph
shown.
Answer:
no te pases de bago
ednenjnjnjnnjnjnjnjnenjdnjendjen
Step-by-step explanation:
The system of equations that matches the graph is
x + y = 2
3x - y = 1
What is the system of equations
From the question, we are to write a system of equations for the two straight lines shown
To do this, we will pick two points on each line
Red line:
(0, 2) and (2, 0)
Using the formula,
y - y1 / x - x1 = y2 - y1 / x2 - x1
(y - 2) / (x - 0) = (0 - 2) / (2 - 0)
Simplifying
(y - 2) / x = -2 / 2
(y - 2) / x = -1
y - 2 = -x
Thus,
x + y = 2
Blue line:
(1, 1) and (0, -2)
Using the formula,
y - y1 / x - x1 = y2 - y1 / x2 - x1
(y - 1) / (x - 1) = (-2 - 1) / (0 - 1)
Simplifying
(y - 2) / (x - 1) = -3/ -1
(y - 2) / (x - 1) = 3
y - 2 = 3(x - 1)
y - 2 = 3x - 3
Thus,
3x - y = -2 + 3
3x - y = 1
Hence,
The system of equations is
x + y = 2
3x - y = 1
2 Points
Multiply the polynomials.
(х- 7)(х2 + 3х – 3)
ОА. 3 – 4х2 – 24
21
О
В. x — 7х2 — 24х + 21
ооо
Ос. 3 – 72 - 3x+21
O
D. х3 – 4х2 – 3х+21
SUBM
Answer:
213
Step-by-step explanation:
An envelope is 3 inches wide, and it measures 7 inches along the diagonal. What is the envelope’s length? If necessary, round to the nearest tenth.
The length of the envelope is 6.3 inches
Step-by-step explanation:
Width of the envelope = 3 inches
Diagonal of the envelope = 7 inches
To find:
The length of the envelope.
Let the length of the envelope be 'l'
We can use pythogoras theorem to calculate the length.
l = √(49-9)
l = √(40)
l = 6.3 inches
The length of the envelope is 6.3 inches
In the equation z/6 = 36, what is the next step in the equation solving sequence
Answer:
The answer to your solution is z = 36
Step-by-step explanation:
36 divided by 6 = 6
The circumference of a circle is 36 feet. What is the length of the radius of this circle?
A. 9 ft
B. 18 ft
C. 36 ft
D. 72 ft
Please answer now!
Question 1
How can you rewrite the following expression?
Your answer:
4- 2 = 2
4+ (-2) = 2
4+2 = 6
INTL
The expression '4 - 2 = 2' can be rewritten as '4 + (-2) = 2' or 'subtracting 2 from 4 equals 2'. However, '4 + 2 = 6' is not equivalent to the initial expression and represents an addition, not a subtraction.
Explanation:The expression '4 - 2 = 2' can be rewritten in a number of ways. Firstly, we can consider '4 - 2' as '4 + (-2)', which indeed equals 2. Moreover, another way to rephrase '4-2' is 'subtracting 2 from 4', still equals 2. A different expression, '4 + 2', however, results in a value of 6, which is not equivalent to our initial expression '4 - 2 = 2'.
We use the concepts of addition and subtraction to rewrite these expressions. It is crucial to understand that the operation of subtraction can be imagined as the addition of a negative number to a positive one. Whereas, the operation 4 + 2 = 6 belongs to a different category, as it is straightforward addition, not a subtraction.
Learn more about Rewriting Expressions here:https://brainly.com/question/14591508
#SPJ12
i need this answered asap !
Answer:
Week 16
Step-by-step explanation:
Week 1: 3.5 miles => 22.5 miles left
22.5/1.5 increments = 15 weeks
15 weeks + week 1 = 16th week
Answer:
week 16
Step-by-step explanation:
When 3 is taken from five times a certain number, the result is the same as adding 6 to twice the number. Find this number
Answer:
3
Step-by-step explanation:
5x-3=6+2x
5x-2x=6+3
3x=9
x=3
Where is the gap in the data?
Number of Patients Per Hour Who Waited Longer than 15 Minutes
A dot plot going from 0 to 5. 0 has 8 dots, 1 has 6 dots, 2 has 1 dot, 3 has 5 dots, 4 has 0 dots, and 5 has 3 dots.
0
2
4
8
Answer:
the answer is 4
Answer:
THE ANSWER IS FOUR
Step-by-step explanation:
Find the vertex and the axis of symmetry of the graph f(x) = 3(x + 1)2.
Answer:
Step-by-step explanation:
hello :
the vertex is (-1 ;0)
the axis of symmetry is : x= -1
Which writing algebraic expression correctly translate 2n + 8
The correct translation for the expression 2n + 8 is "eight more than twice a number."
The expression 2n + 8 represents doubling a number (represented by n) and then adding 8 to it. In simpler terms, it signifies performing the operation of multiplication (twice the number) followed by addition (adding 8). So, when we say "eight more than twice a number," it perfectly encapsulates this mathematical operation: first, we double the number, then add 8 to the result. This succinctly describes the algebraic expression 2n + 8 in a clear and concise manner.
Complete Question:
Which written algebraic expression correctly translate 2 n+8 ?
A. eight more than twice a number
B. eight plus double a number
C. a number squared added to eight
D. the total of eight and twice a number
If a florist uses her credit card to pay for a new window display that costs $1,242 and does not pay it on until the Second month, what will the 1.25% monthly interest charge be at the end of the first month?
A.$12.83
B.15.53
C.16.00
D.$17.17
Answer:
$15.53
Step-by-step explanation:
Please refer to the attached image for explanations
In a classroom, there are 7 groups of desks, and each group has the same
number of desks. The math teacher distributes one calculator to each desk. If
out of 37 calculators all but 2 are distributed, how many desks are in each
group?
Help me!! Pleaseee
Answer:
5 groups
Step-by-step explanation:
because you subtract two from 37 calculators that gives you 35 divide it by 7 and you get 5
Answer:
It' s was 77
Step-by-step explanation:
Determine the perimeter
Answer:
1.662cm
Step-by-step explanation:
add 0.9 and 0.762 to get 1.662
thats all you literally do.
Can you explain it and help me out please
Answer:
D. two real solutions
Step-by-step explanation:
p²+5 = 6p
p² - 6p +5 =0
D = b² - 4ac = (-6)² - 4*(1)*5 = 36 - 20 = 16
D > 0, so this equation has 2 real solutions