Mathematics High School

Can someone plz help me ?

Answers

Answer 1

Answer:

Step-by-step explanation:

Related Questions

What is the complex conjugate of the root x = 3i

Answers

Answer:

For example, the conjugate of 0 + √3 is 0 - √3, the conjugate of -√3 is √3, and the conjugate of 2 - 5√3 is 2 + 5√3.

Step-by-step explanation:

The complex conjugate of the root x = 3i will be x = -3i.

What is complex conjugate?

The complex conjugate of a complex number is the number that has equal real and imaginary parts that are opposite in sign but equal in magnitude.

A given complex function is x = 3i

As we know that the complex conjugate function is one in which the imaginary part of the function becomes negative.

The complex conjugate function will be:-

x = -3i

Therefore the complex conjugate of the root x = 3i will be x = -3i.

To know more about complex conjugate functions follow

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pls solve this besties 5^-2

Answers

Answer:

0.04

Step-by-step explanation:

Answer: 1/25

Step-by-step explanation: when you go to a negative exponent you get a fraction and .04 is the same as 1/25 by the ways.

graph
f(x) = (x - 1) (x + 4)?

Answers

Answer:

graph

Step-by-step explanation:

graph shown

intersected large curve

What is the next term of the geometric sequence?
20, -10,5,

Answers

Answer:

-2.5

Step-by-step explanation:

-1/2 is the number it is being miltiplied by

answer would be -2.5

because:
20 times -.5 is -10
-10 times -.5 is 5
5 times -.5 is -2.5

the reason for this geometric sequence, is each number being multiplied by -.5

On Sunday, Sheldon bought 4 1/2 kg of plant food. He used 1 2/3 kg on his strawberry plants and used 1/4 kg for his tomato plants. How many kilograms of plant food did Sheldon have left? Which number sentence matches the problem? *
1 point

Answers

Answer:

[tex]2\frac{7}{12}[/tex] kg of plant food

Step-by-step explanation:

The second question doesn't have choices, so I'll answer the first question only.

In order to know how much plant food Sheldon has, you have to subtract [tex]1\frac{2}{3}[/tex] kg of plant food used for the strawberry plants from [tex]4\frac{1}{2}[/tex] kg of plant food. Then, [tex]\frac{1}{4}[/tex] kg will be subtracted from the difference.

[tex]4\frac{1}{2}[/tex] - [tex]1\frac{2}{3}[/tex] = ?

Let's convert both fractions into improper fractions first, so it will be easier to subtract.

[tex]4\frac{1}{2}[/tex] = [tex]\frac{9}{2}[/tex][tex]1\frac{2}{3}[/tex] = [tex]\frac{5}{3}[/tex]

Now, let's subtract.

[tex]\frac{9}{2}[/tex] - [tex]\frac{5}{3}[/tex] = [tex]\frac{17}{6}[/tex] or [tex]2\frac{5}{6}[/tex] kg of plant food

Next, you have to subtract [tex]\frac{1}{4}[/tex] kg of plant food used for the tomato plants from the remaining plant food of [tex]\frac{17}{6}[/tex] kg.

Let's subtract again.

[tex]\frac{17}{6}[/tex] - [tex]\frac{1}{4}[/tex] = [tex]2\frac{7}{12}[/tex] kg of plant food

Therefore, Sheldon has [tex]2\frac{7}{12}[/tex] kg of plant food left.

Simplify: (-7x° +7x°)+(-9x° +9+3x)

Answers

Answer:

-2x^3 - 4x^2 + 9

Step-by-step explanation:

You have to solve the equations in the parenthesis first then you just add the 9 to the end because it doesn't correspond with the rest of the variables "x"

A rectangle or field is 62 m long and 48 m wide Diana estimate the length of the field to be 60 m and the ways to be 45 m what is the percent error of Dianas estimated area measurement round your answer to the nearest whole percent

Answers

Answer:

To make estimates, we usually round the numbers the nearest integer.

Since 1.9 is closest to 2 than it is to 1, the nearest integer of 1.9 is 2.

Similarly, since 4.4 is closest to 4 than it is to 5, the nearest integer of 4.4 is 4.

Now, to estimate the area of the farm, we are going to multiply our two integers:

Estimated Area of the Farm= x

Since 8 is between 4 and 10, we can conclude that the best estimate of the area of the farm is: between 4 and 10

Step-by-step explanation:

Write an equation for a circle with center at (-9,5) and diameter = 24.
a. (x + 9)2 + (y – 5)2 = 144
C. (x-9)2 + (+ 5)2 = 144
b. (x+ 9)2 + (1 - 5)2 = 576
d. (x-9)2 + + 5)2 = 576

Answers

The correct answer is D

In January, a bookstore sells 450 books, but in February, it sells only 300 books. What is the percent of change from January to February?

50%
-33.3%
-50%
66.7%

Answers

Answer:

33.3

Step-by-step explanation:

i´m good at math but hit thanks

Adult tickets to a basketball game cost $5. Student tickets cost $1. A total of $3,077 was collected on the
sale of 1,201 tickets. How many of each type of ticket were sold?
The basketball game sold
adult tickets and
student tickets.

Answers

Answer:

Your problem will require you setting up 2 algebraic equations. First, you should.

Let A represent the number of adult tickets

Let S represent the number of student tickets

The first equation will be:

A+S = 1,215 tickets

The number of adult tickets plus the number of student tickets equals 1,215 tickets

The second equation will be:

5.00A+1.00S=$2,591

The price and number of adult tickets plus the price and number of student tickets equals $2,591.

I hope this has made the problem easier to understand. I hope you are able to solve the problem from here. If you can not solve the problem from here, I will be more than happy to further assist you.

Step-by-step explanation:

You have two unknowns, two variables, therefore you need to have at least two equations in this word problem in order to find a solution. Let's review the info you are given:

The price of an Adult ticket: $5

The price of a Student ticket: $1

The two variables are: the number of Adult tickets sold (you can use variable "A"), and the number of Student tickets sold (use variable "S").

The other info you are given is the total number of tickets sold: 1,215 tickets. Use this to make your first equation: the number of adult tickets plus the number of student tickets equals 1,215.

You are also told how much money was collected: $2,591. That means, $5 from every Adult ticket and $1 from every student ticket. We don't know how many of each ticket, but we assigned variables A and S to stand in for this unknown info. The money made from all the adult tickets would be the price of the adult ticket times how many adult tickets sold (5 times A), and the money made from all the student tickets would be the price of the student ticket times how many student tickets sold (1 times S). Use this to make your second equation, which says that all the money collected from all the tickets (5 times A in addition to 1 times S) is (=) 2,591.

Now you have two equations, each equation has two variables. To solve, go back to the easiest equation (the first one) and isolate one of the variables. By isolate I mean get it on one side of the equation by itself. Since in this case these variables are being added together, you have to do the opposite of addition, which is of course subtraction. To do this, you will have to subtract the other variable ON BOTH SIDES of the equation. So, say we want to isolate the variable A, we will subtract S from both sides. Well, S minus S is zero, so now A is isolated, meaning the left side of the equation is just A = ... Now you want to subtract the S on the other side. Remember that whatever you do to one side you must do to the other.

Now that you have your equation re-worked to show A = ..., you need to "plug it into" the second equation. What I mean is, you need to substitute instead of A, put in this equation. Then you will have one equation with one variable which you can solve! Remember the rules of equations, to do work in parenthesis first, the multiply or divide, then add or subtract. You will be able to solve for S.

Once you have found S (the number of student tickets sold), you can easily find A (the number of adult tickets sold) by going back to that first equation and subtracting your value of S from 1215.

HELP WILL GIVE BRAINLIEST FOR BEST ANSWER!!!
What is the radical form of each of the given expressions?

Drag the answer into the box to match each expression.
view pic

Answers

ANWSER:
All you need to do it rewrite the exponent
Using x^n/m=^m√x^n
2 ^1/2-> √2
2^2/3->^3√2^2
3^3/2-> √3^3
3^1/3-> ^3√3
I hope that helps

Physical Science A ball is dropped from a height of 900 centimeters. The table shows the height of each bounce. The heights form a geometric sequence. How high does the ball bounce on the 5th bounce?

y determines how many hours, and x gives you the whole amount.

Find the values of x, y, and z. Round to the nearest tenth, if necessary.

(choices are 3.6, 4.5, and 6.5)

Answers

Answer: x= 4.5, y=3.6, z=6.5

Step-by-step explanation:

To find : x, y and z.

First label the triangle as A,B,C and D (as in the picture below).

ΔABC , ΔACD and ΔABD both are right triangles.

In ΔABC ,

[tex]y^2=3^2+2^2[/tex] [By Pythagoras theorem]

[tex]\Rightarrow\ y^2=13\\\\\Rightarrow\ y=\sqrt{13}\approx3.6[/tex]

In ΔACD ,

[tex]AD^2=3^2+x^2\\\\\Rightarrow\ AC^2=9+x^2 \ \ ...(i)[/tex] [By Pythagoras theorem]

In ΔABC ,

[tex]y^2+AC^2=(2+x)^2\\\\\Rightarrow\ AC^2=(2+x)^2-y^2\ \ ...(ii)[/tex]

From (i) and (ii), we get

[tex]9+x^2=(2+x)^2-y^2\\\\\Rightarrow\ 9+x^2=4+x^2+4x-(3.6)^2\\\\\Rightarrow\ 9=4+4x-12.96\\\\\Rightarrow\ 4x=9-4+12.96\\\\\Rightarrow 4x= 17.96\\\\\Rightarrow\ x=\dfrac{17.96}{4}\\\\\Rightarrow\ x=4.49\approx4.5[/tex]

Z = 2+x= 2+4.5 =6.5

Hence, x= 4.5, y=3.6, z=6.5

16 is 35% of what amount?
a) 21.87
b) 45.71
c) 29.95
d) 24.58

Answers

The answer is B hope I helped you

Solve for X

6+3x=12x-15

Answers

Answer:

x=2.33

Step-by-step explanation:

6+3x=12x-15

-9x=-21

x=21/9

x=2.33

Answer:

x = 2.33

Step-by-step explanation:

6 + 3x = 12x - 15

6 = 9x -15

21 = 9x

x = 2.33

What is the surface area of the right prism?

A. 960 in2
B. 1,344 in2
C. 1,920 in2
D. 1,152 in2

Answers

Total surface area is 1,152 in2

There are 6 faces that you need to find the area for:

12*24*2 are two faces
24*8*2 are two faces
12*8*2 are two faces

Add all these up:

576+384+192
=1152

1/3 ( 30y + 6 ) = 32
1/3 is a fraction. Solve for y

Answers

Y=3 vsetyhjjkhv I need to make this 20 characters

Answer:

y=3

Step-by-step explanation:

30y+6/3=23

6(5y+1)/3=32

2(5y+1)=32

5y+1=32/2

32/2=16

5y=16-1

16-1=15

y=15/5

y=3

Answer:

11 dollars

Step-by-step explanation:

First, we take 2 3/4 and make it a decimal: 2.75

We know one pound is 4 dollars, so 2.75 pounds of avocados would be 4 times 2.75 - 11 dollars.

Hope this helps!!! <3

hELP I WILL GIVE BRAINLIEST TO THE CORRECT ANSWER

Answers

Answer:

It’s the number hairline

Step-by-step explanation:

Hairline cut it straight

Answer:

16x16x16x16

Step-by-step explanation:

Brainliest answer! Plz help!

Answers

Answer:

10%

Step-by-step explanation:

1/10 = 0.10 = 10%

HELP HOMIE IN NEED!!

Answers

Answer: C

Step-by-step explanation:

Given

[tex]\frac{5}{4}(a-8)=\frac{2}{3}[/tex]

Multiply both sides by (4/5)

[tex]\frac{5}{4}(\frac{4}{5})(a-8)=\frac{2}{3}(\frac{4}{5})[/tex]

[tex]a-8=\frac{8}{15}[/tex]

Add 8 on both sides

[tex]a-8+8=\frac{8}{15}+8[/tex]

[tex]a=\frac{8}{15} + \frac{120}{15}[/tex]

[tex]a=\frac{128}{15}[/tex]

[tex]a=8\frac{8}{15}[/tex]

Hope this helps!

Please let me know if you have any questions

Other Questions

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During what year will the population of city (a) first exceed that of city (b)?Show all of your work and explain your steps.e. During what year will the population of city (a) be at least twice the size ofthe population of city (b)? Show all of your work and explain your steps.PLEASE USE PARIS AND CHICAGO FOR THE CITIES Which of these plants are thought to be the first land plants and the main food source for large dinosaurs?A.) flowering treesB.) evergreensC.) fernsD.) mossesanswer asap pls Pls help me! All the answers get brainliest!!!!!!! Help with this please I beg you if you want to thank you, have a good day!! A species of frog lives in a forest. A snake species moves to the ecosystem where the frogs live and begins to hunt the frogs. Using yourunderstanding of natural selection, what is the most likely explanation of what will happen to the frog population when the snakes, whoare predators and will hunt the frogs, move into the ecosystem?O A. 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