Answers
Answer:
-5+6i
Step-by-step explanation:
We have given two complex numbers (-3+3i) and (-2+3i)
We need to simplify the given expression
(-3+3i) + (-2+3i) for simplification we will firstly open the parenthesis we will have expression as -3+3i -2+3i it will gives us the value
-5+6i
In complex numbers we add real part with real part and imaginary part with imaginary part
We have general representation of complex number as a+ib where a is real and b is real part of imaginary.
Answer:
B is your answer.
Step-by-step explanation:
Related Questions
9 yd
2.5 yd find the surface area of the square
Answers
Answer:
51.25
Step-by-step explanation:
Do you mean the surface area of the pyramid?
Base = [tex]2.5^2[/tex] = 6.25
Triangles = [tex]\frac{9 * 2.5 * 4}{2}[/tex]
9 * 2.5 * 2 = 45
45 + 6.25 = 51.25
what is the property for (s + 2) +4
Answers
Answer:
s+6
Step-by-step explanation:
You just add 2 and 4.
Answer:
Associative
Step-by-step explanation:
(s+2)+4 = s + (2 + 4)
s + 6 = s + 6
Find the length of the base of the following pyramid, given the height of the pyramid is 221 meters and the angle of elevation of the base of the pyramid is 62°. Round to the nearest whole number.
An image of a square pyramid is shown with a right triangle embedded inside it. The face is at an incline of 62 degrees. The height is labeled 211, and the corner of the right angle is marked with a letter P.
75 meters
189 meters
235 meters
416 meters
Answers
Answer:I believe it would be answer choice, 235 meters
Step-by-step explanation:
I’m not super good at explain but, the height and incline both go at the right slope when they interact. Have a good day, hope it helps.
The length of the pyramid's base would be:
C). 235 meters
Find the length of the baseGiven that,
Height of the pyramid [tex]= 221[/tex]
Elevation/angle of the base [tex]= 62[/tex]°
Employing the trigonometric function,
Tan 62 [tex]= 221/[1/2 base][/tex]
⇒ Base [tex]= (2[/tex] × [tex]221)[/tex][tex]/Tan[/tex][tex]62[/tex]
[tex]= 2[/tex] × 221/[tex]1.88[/tex]
[tex]= 235.10[/tex]
Thus, option C is the correct answer.
Learn more about "Angle" here:
brainly.com/question/15767203
what is the solution of the equation 7d+7=14 a) -3 b) 1 c)3 d)-1
Answers
Answer:b)1
Step-by-step explanation:
7d+7=14
Step 1: Subtract 7 from both sides.
7d-+7-7=14-7
7d=7
Step 2: Divide both sides by 7.
7d/7=7/7
d=1
Hope that helps :)
Answer: b
Step-by-step explanation:
[tex]7d+7=14\\7d=14-7\\7d=7\\d=\frac{7}{7}\\ d=1[/tex]
Enter the denominator below the fraction bar for a rectangle divided into 4 parts.
Answers
Given: KL = 27.1 mm. Find the area of the SHADED region, to the nearest
hundredth. HELP!
Answers
Answer:
2102.13 mm^2
Attached is a completed image of the question
Step-by-step explanation:
Given;
Radius of the circle r = KL = 27.1 mm
Angle of unshaded region = 32°
The total angle in a circle is 360°
Angle of shaded region θ = 360° - angle of unshaded region.
θ = 360° - 32° = 328°
The Area of a circle = πr^2
Area of shaded region A = (θ/360)πr^2
Substituting the given values;
A = (328/360)×π × 27.1^2
Area of shaded region A = 2102.13 mm^2
giving a lot of pts. Which expression is equivalent to 7(a+2) when a=6
7(6)
9(6)
7(6+2)
7(6+14)
Answers
Answer:
9(6)
Step-by-step explanation:
i just took the test and yea!!!!!!!!
Answer:
D. 7(6)+4
Step-by-step explanation:
I tried the answer above me but it was wrong that's why I got 90/100
but here is the REAL ANSWER
08.01 LC)
Find the solution of 3 times the square root of the quantity of x plus 5 equals negative 9 , and determine if it is an extraneous solution. (5 points)
Question 12 options:
1)
x = 4; not extraneous
2)
x = 4; extraneous
3)
x = 0; extraneous
4)
x = 0; not extraneous
Answers
Answer:
The solution is x=4.
BRAINLIEST :)
It is not an extraneous solution.
233 is equal to r more than 48?
Answers
Answer:
R = 152
Step-by-step explanation:
what i did was if it is talking about more than 48 something plus 48 is 200 so
200 - 48 = 152
r = 152
so 200 is 152 more than 48
Hope this helpsBrainliest plzAsk any more math questions if you want2 points
Cindy is painting her house. She paints 34 1/2 square feet in 3/4 hour. At
this rate, how many square feet can she paint each hour? *
Answers
Answer:
102 sqaure feet
Step-by-step explanation:
The price of a car is £15400 before it is reduced by 8%.
How much does it cost after the reduction?
Answers
Answer:
14168
Step-by-step explanation:
15400 / 100 x 8 = 1232
1232 = 8%
15400 - 1232 = 14168
Why are the units of area squared? How does this help us remember the formula for area of a circle?
Answers
Answer:
Area is a size measurement of a two-dimensional surface. Those dimensions (x and y) are perpendicular to each other, and thats why it is squared.
A pizza parlor charges $18 for a plain pizza and charges $0.75 for each additional topping.
Which of the following best models the cost of a pizza?
y = 18x +0.75
y = 13.5x + 18
y = 180.752
O y = 0.75x + 18
Answers
Answer:
the last one
Step-by-step explanation:
well you have 18 pizzas total, and each topping is 0.75. so let's say u want two toppings you would do 75 ×2 and so on, you would label the question
Y= 0.75x + 18
A cylinder has a volume of 371.776 cubic centimeters. The diameter of the cylinder is 8 cm. What is the height of the cylinder? (Assume = 3.14)
Answers
Cylinder volume formula:
V=πr^2h
Substitute given values into the formula
Note: use 3.14 for pi
Diameter is twice the radius, so if diameter is 8 then radius is 4
371.776 = (3.14)(4^2)h
Use h for height because we don't know the height
Okay, so let's try to get the h by itself on the left side of the equation
So begin by getting rid of 3.14 by dividing it by both sides
371.776/3.14 = 118.4
3.14/3.14 = 1 (don't put 1, just remove the 3.14 from the right side)
So now we have:
118.4 = 4^2(h)
Now we can get rid of 4^2
Start by actually squaring it and then divide it from both sides
118.4 = 16(h) (4^2 = 16)
118.4/16 = 7.4
16/16 = 1 (dont put 1, just drop it)
So now we have
7.4 = h
Now we have h by itself! So h = 7.4
let's test it by putting it in the cylinder volume formula
V = πr^2h
371.776 = (3.14)(4^2)(7.4)
371.776 = (3.14)(16)(7.4)
371.776 = 50.24(7.4)
371.776 = 371.776
7.4 is your answer, if you have any questions, feel free to ask
What type of skew does this graph have?
Answers
Answer:
Negative skew; skewed right.
Step-by-step explanation:
It is a negative skew, because the peak of the graph is located towards the left (5- 9, respectively). The skewed is on the right, for the tail stretches out to the right of the graph (10-14 all the way to 25 - 29, respectively).
~
Determine the center and radius of the following circle equation:
x² + y² - 10x + 20y + 89 = 0
Answers
Answer:
The center is ( -5, -10) and the radius = 6.
Step-by-step explanation:
Convert the equation to standard form by completing the square;
x^2 + y^2 - 10x + 20y + 89 = 0
x^2 + y^2 - 10x + 20y = -89
x^2 - 10x + y^2 + 20y = -89 Completing the square:
(x + 5)^2 - 25 + (y + 10)^2 - 100 = -89
(x + 5)^2 + (y + 10)^2 = -89 + 125
(x + 5)^2 + (y + 10)^2 = 36
Comparing this to the standard form:
( x - h)^2 + (y - k)^2 = r^2
- we see that the center is ( -5, -10) and the radius = 6.
Match the following.
1. Hormones secreted by the adrenal cortex
2. Glands which are ductless and secrete their products directly into the circulatory system
3. An adrenal hormone (adrenaline) that stimulates autonomic nerve action
4. The hormone secreted by the pancreas which raises the blood sugar level
5. Chemical produced in one part of the body which has its effect on another part
6. A pancreatic hormone which lowers the level of blood sugar
7. The region within the pancreas which produces insulin
8. Four small endocrine glands within the thyroid gland in the neck
9. A hormone secreted by the parathyroid gland which regulates calcium metabolism.
10. A gland in the neck that produces the hormone thyroxine
11. A hormone which regulates the rate of body metabolism
A.parathyroid gland
B.insulin
C.thyroid gland
D.corticoids
E.epinephrine
F.thyroxine
G.parathyroid hormone
H.hormone
I.glucagon
J.islets of Langerhans
K.endocrine gland
Answers
Answer:
D. corticoids 1. Hormones secreted by the adrenal cortex
K. endocrine gland 2. Glands which are ductless and secrete their products directly into the circulatory system
E. epinephrine 3. An adrenal hormone (adrenaline) that stimulates autonomic nerve action
I. glucagon 4. The hormone secreted by the pancreas which raises the blood sugar level
H. hormone 5. Chemical produced in one part of the body which has its effect on another part
B. insulin 6. A pancreatic hormone which lowers the level of blood sugar
J. islets of Langerhans 7. The region within the pancreas which produces insulin
A. parathyroid gland 8. Four small endocrine glands within the thyroid gland in the neck
G. parathyroid hormone 9. A hormone secreted by the parathyroid gland which regulates calcium metabolism.
C. thyroid gland 10. A gland in the neck that produces the hormone thyroxine
F. thyroxine 11. A hormone which regulates the rate of body metabolism
Step-by-step explanation:
Answer:
D.) corticoids #1. Hormones secreted by the adrenal cortex
K.) endocrine gland #2. Glands which are ductless and secrete their products directly into the circulatory system
E.) epinephrine #3. An adrenal hormone (adrenaline) that stimulates autonomic nerve action
I.) glucagon #4. The hormone secreted by the pancreas raises the blood sugar level
H.) hormone #5. Chemical produced in one part of the body which has its effect on another part
B.) insulin #6. A pancreatic hormone which lowers the level of blood sugar
J.) islets of Langerhans #7. The region within the pancreas which produces insulin
A.) parathyroid gland #8. Four small endocrine glands within the thyroid gland in the neck
G.) parathyroid hormone #9. A hormone secreted by the parathyroid gland which regulates calcium metabolism.
C.) thyroid gland #10. A gland in the neck that produces the hormone thyroxine
F.) thyroxine #11. A hormone which regulates the rate of body metabolism
❤ I hope this helps you, ma'am/sir/whatever your pronouns are! ❤
PLEASE HELP.....................
Answers
Answer:
I believe the answers are C, D, and E. Sorry if I am wrong.
Explanation:
The discriminant is
D = b^2 - 4ac
D = (-5)^2 - 4(3)(-1)
D = 25 + 12
D = 37
This means 37 is under the square root, and we know the answers are B and F due to this. Also note with these two answer choices, they are in the form [tex]\frac{-b \pm \sqrt{D}}{2a}[/tex] where...
a = 3, so 2a = 2*3 = 6b = -5, so -b = -(-5) = 5Choices A, C, D, and E can be eliminated as the discriminant for these is D = 13.
Simplify:
a) 6c + 4d - c - 7d =
b) 3x + 5y - x + 2y =
c) 3g + 5h + 4g - 2h =
d) 8t + 3r - 7t - 9r =
Answers
Answer:
a) 5c-3d
b) 2x+7y
c) 7g+3h
d) 1t-6r
hope this helps ;)
Answer:
a) 6c + 4d - c - 7d = 5c -3d
b) 3x + 5y - x + 2y = 2x + 7y
c) 3g + 5h + 4g - 2h = 7g + 3h
d) 8t + 3r - 7t - 9r = t - 6r
Step-by-step explanation:
combine like terms:
a) 6c + 4d - c - 7d = 5c -3d
b) 3x + 5y - x + 2y = 2x + 7y
c) 3g + 5h + 4g - 2h = 7g + 3h
d) 8t + 3r - 7t - 9r = t - 6r
Finding Distances from the Mean
The mean of the data is 44.7. Complete the chart to find the distances from the mean.
Of
Temp (°F)
2938
45
31
50
58
62
Distance
from the
Mean
15.7
6.7
13.7
y
13.3
Answers
Answer:
x = 0.3, y = 5.3, z = 17.3
Step-by-step explanation:
Since given question is incomplete, so here is the complete table for the distance from the mean.
Temp (°F) 29 38 45 31 50 58 62
Distance from the mean 15.7 6.7 x 13.7 y 13.3 z
It's given that the mean of the data is 44.7
Since distance from the mean of a data is the absolute value of the difference of data and mean,
Therefore, distance from the mean of the data will be,
x = |44.7 - 45| = 0.3 (absolute value of the difference)
y = |44.7 - 50| = 5.3
z = |44.7 - 62| = 17.3
Answer:
x = 0.3
y = 5.3
z = 17.3
Step-by-step explanation:
The box plot shows the number of new vocabulary words students learned last week. What
percent of the students learned between 15 and 30 words?
+
+
+
+
30
+
40
5
10
15
20
25
35
45
50%
25%
100%
30%
Done
Answers
Answer:
the answer is 50%
Step-by-step explanation:
Substitute x and y in the equation
Answers
If you look at the graph, you can see that in each dot the y equals to 50 Times x.
Such at the first dot, the location is at (1,50). 1*50=50
And at the second dot the location is at (2,100). 50*2=100
And at the last dot, the location is at (8,400). 8*50=400
how would you differentiate this problem using the quotient rule?
Answers
1/3 d/dx [ (2x^2-x^5)/3x^1/2].
Then factor x^2 out of 2x^2-x^5.
Then by using the negative exponent rule you should have
1/3 d/dx [ x^2(2-x^3)x^-1/2 ]
Then multiply x^2 by x ^-1/2 by adding the exponents.
1/3 d/dx [ x^3/2 (2-x^3)]
Then differentiate.
You should get x^1/2 - (3x^7/2)/2.
I hope that helps.
What is the surface of a box 8“ x 7“ x 2“
Answers
Answer:
172 inches squared
Step-by-step explanation:
(8 x 7)2= 112
(7 x 2)2= 28
(8 x 2)2= 32
32 + 28+ 112
172 inches squared
I need help need this done by tonight!
Answers
Answer:
A corresponds
Step-by-step explanation:
Answer:
a
Step-by-step explanation:
If you notice in the equation there is a + sign. if there is a plus sign that means the line is going up. and since graph a's arrow is pointing up (or to the right side) your answer willl be grph a
What do you add to 2 2/9 to make 4
Answers
Answer:
I believe 1 7/9 will give you 4
2. Solve by substitution: y = -x + 2 AND 2x - y = -5*
Answers
Answer:
Step-by-step explanation:
y = -x + 2 -------(i)
2x - y = -5 -----------(ii)
Substitute y = -x + 2 in equation (ii)
2x - (-x + 2) = -5
2x + x - 2 = - 5
3x - 2 = -5 {add 2 to both side}
3x -2 + 2 = -5 + 2
3x = -3 { divide both sides by 3}
3x/3 = -3/3
x = -1
Plug in the value of x in equation (i)
y = - (-1) + 2
y = 1 +2
y = 3
Drag each description to the correct form of segregation.
Black customers were not
served; students staged sit
ins to protest unfair serving
practices.
People of different races Intimidation and violence
had to sit in different areas; toward different races was
the Freedom Riders
common; Student
protested these rules. || Nonviolent Coordinating
Committee (SNCC) worked
to register black people.
Voting
Dining
Bus Rides
Answers
Answer:
Voting, Dinning, and Bus Rides were are categorized to the right description form of segregation. it is well explained in the explanation section below.
Step-by-step explanation:
Solution:
Voting:
Intimidation and violence towards different races was common;Student Nonviolent Coordinating Committee (SNCC) worked to register black people.
Dinning:
Black customers were not served;students staged sit ins to protest unfair serving practices.
Bus Rides:
People of different races had to sit in different areas; the Freedom Riders these rules.
IQ scores are normally distributed with a mean of 100 and a standard deviation of 15. If a certain statistician has an of 122 , what percent of the population has a lower IQ?
A. 47%
B. 93%
C. 22%
D. 99%
E. 7%
Answers
Answer:
B. 93%
Step-by-step explanation:
Find the z-score:
z = (x − μ) / σ
z = (122 − 100) / 15
z = 1.47
Find the probability using a calculator or z-score table.
P(Z < 1.47) = 0.93
Factor. 125x^3-64y^3
Answers
Answer:
= 5x - 4y
Step-by-step explanation:
125x³- 64y³
= 5x - 4y
Answer:
Hello,
(5x)^3 - (4y)^3
Step-by-step explanation:
125 = 5^3
64 = 4^3
125 x^3 - 64 y^3 = (5x)^3 - (4y)^3