Mathematics High School

HELP PLEASE?!???
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HELP PLEASE?!??????????

Answers

Answer 1
Negative because it can't be nothing bigger
Answer 2
Answer is negative. If the arrow is Starting from the top left and then the 2nd is pointing down towards the bottom right, it is negative. Positive Is the complete opposite where the arrow is starting from bottom left and moving up toward the top right. Negative= slanted down, positive= slanted up. Now 0 is when it is just a horizontal line and undefined is a vertical line.

Related Questions

Absolute value?? |x+2|=10

Answers

It would just be x + 2 = 10 since there are no negative numbers inside of the absolute value bars. The solution to the equation would be x = 8, if you wanted to know that as well. Make sure to make this the brainliest answer :)

Answer:

x=8 or just x+2=10

Step-by-step explanation:

if you wanted to know this without absolute value, its still x+2=10. if you wanna know what 'x' is, its 8.

9 times as many as 457 is

Answers

I'm pretty sure that's just asking what 9x457 is, and that's 4,113.
9 x 457 = 4,113       i hope this helps 

a scale model of a statue is 7 inches tall. The scale of the model is 1in./1.5ft. what is the actual height of the statue?

Answers

so first we would get the scale to the same units. So we would take 1in:1.5ft and convert the feet to inches. 1.5 x 12 = 18
So the scale of the model is 1:18
now just multiply 7 by 18 to get-
126 inches, or 10.5 feet

What is the product of written in simplest form? 7/10 divided by 5/6

Answers

7/10 / 5/6
We can re-write it as:
7/10 * 6/5 = 42/50 = 21/25

So, your final answer is 21/25
7/10 / 5/6 = 7/10 • 6/5 7/10 * 6/5 = 42/50 42/50 simplified is 21/25

A survey by the state health department found that the average person ate 208 pounds of vegetables last year and 125 5/8 pounds of fruit.What fraction of the total pounds of fruit and vegetables do the pounds of fruits represent?

Answers

Answer: The fraction of pounds of fruits over total pounds of fruits and vegetables is given by

[tex]\frac{25125}{66724}[/tex]

Step-by-step explanation:

Since we have given that

Total amount of vegetables = 208 pounds

Total amount of fruits is given by

[tex]125\frac{5}{8}\text{ pounds}[/tex]

Total amount of fruits and vegetables is given by

[tex]208+125\frac{5}{8}\\\\=208+\frac{1005}{8}\\\\=\frac{1664+1005}{8}\\\\=\frac{2669}{8}\\\\=333.625\text{ pounds }[/tex]

So, we need to find the fraction of pounds of fruits over the total pounds of fruit and vegetables :

[tex]\frac{\text{Pounds of fruits }}{\text{ total pounds of fruits and vegetables}}\\\\=\frac{\frac{1005}{8}}{333.62}\\\\=\frac{1005}{8\times 333.62}\\\\=\frac{1005}{2668.96}=\frac{25125}{66724}[/tex]

Final answer:

The fraction of the total pounds of fruit and vegetables that fruits represent is approximately 0.377, or 37.7%.

Explanation:

To find out what fraction the pounds of fruits represent out of the total pounds of fruits and vegetables, we first need to calculate the total pounds of fruits and vegetables consumed. This is found by adding the pounds of vegetables (208) to the pounds of fruits (125 5/8). So, 208 + 125 5/8 = 333 5/8 pounds.

Now, to determine the fraction, we take the pounds of fruits and divide by the total. Hence, the fraction is given by 125 5/8 ÷ 333 5/8. To divide fractions, we multiply by the reciprocal of the divisor, which gives us (125 5/8) * (8/333) = 0.377 (rounded to three decimal places).

Therefore, fruits represent approximately 0.377, or 37.7% of the total pounds of fruits and vegetables consumed.

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A square has an area of 80 square inches. What is the length of a side of the square, in inches?

Answers

I hope this helps you
Final answer:

To find the length of a side of a square with an area of 80 square inches, we take the square root of the area. This results in each side of the square being approximately 8.944 inches long.

Explanation:

The question is asking to find the length of a side of a square that has an area of 80 square inches. In geometry, the area of a square is calculated by squaring the length of one side. Therefore, to find the length of a side when you know the area, you need to take the square root of the area.

So, in this case, we take the square root of 80. Using a calculator, this results in approximately 8.944 inches. Therefore, each side of the square is about 8.944 inches long.

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Which set of ordered pairs in the form (x,y) does not represent a function of x?
A {(-1,2),(3,-2),(0,1),(5,2)}
B. {(-1,2),(3,2),(-2,2),(0,2)}
C. {(-1,2),(3,-2),(0,1),(3,5)}
D. {(-1,2),(2,3),(3,-2),(-2,0)}

Answers

If we are going to analyze the sets of ordered pairs listed above, we can easily spot which set of ordered pairs in the form of (x,y) that does not represent a function of x. If the first coordinates of each ordered pair are all different, then it is a function; but if the first coordinates have repeated numbers, then it is not. Therefore, the answer would be option C. Notice that 3 is repeated. Hope this helps.

Answer:

Option C

Step-by-step explanation:

A function is a relation that does not contain two pairs with same first component.

Option A

{(-1,2),(3,-2),(0,1),(5,2)}  is a function, since there are no two pairs with the same first component.

option B

{(-1,2),(3,2),(-2,2),(0,2)} is a function, since there are no two pairs with the same first component.

option C

{(-1,2),(3,-2),(0,1),(3,5)} is not a function, since there are two pairs with the same first component i.e, 3

OptionD

{(-1,2),(2,3),(3,-2),(-2,0)} is a function, since there are no two pairs with the same first component.

So, {(-1,2),(3,-2),(0,1),(3,5)} is the required  answer.




Jen is making a frame to stretch a canvas over for a painting. She nailed four pieces of wood together at what she believes will be the four vertices of a square. How can she be sure that the canvas will be a square?

a. All four of the pieces of wood are the same length & at least two interior angles are congruent.

b. At least two pieces of wood are the same length & at least two interior angles are congruent.

c. At least two pieces of wood are the same length & all four interior angles are congruent.

d. All four of the pieces of wood are the same length & all four interior angles are congruent.

Answers

According to the picture attached above, the only suitable option which I find to becorrect is the last one -d. All four of the pieces of wood are the same length & all four interior angles are congruent. I think so because all the sides have to be equal to each other and so that it shape will be square indeed.
Hope you will find it helpful!

What are the solutions to the equation 3(x – 4)(x + 5) = 0?

Answers

first you distribute the 3
(3x-12) (x+5)=0
then you set each equation equal to zero
3x-12=0 & x+5=0
then you solve for x
x =4, -5

Answer:

-5, 4

Step-by-step explanation:

the solutions to the equation [tex]3(x - 4)(x + 5) = 0[/tex]

To solve for x we set each factor =0 and solve for x

[tex]3(x-4)=0[/tex]

divide each term by 3

[tex](x-4)=0[/tex]

Add 4 on both sides

[tex]x=4[/tex]

[tex]x+5=0[/tex]

Subtract 5 on both sides

[tex]x=-5[/tex]

So x values are -5 and 4

25w^6/10w^3 divided by 30w^2/5w ...?

Answers

 25w^6 30w^2 
-------- / -------- first simplify each fraction. They both reduce by a factor of 5. for the variables, 
10w^3 5w dividing means subtracting exponents 

5w^6-3 6w^2-1 
--------- / --------- next, simplify the subtraction, then flip the second fraction and change the division to 
2 1 multiplication 

5w^3 1 
------- * -------- multiply across both top and bottom to get 
2 6w^1 

5w^3 
------- now subtract exponents again: 3-1=2 
12w^1 

5w^2 
------- 
12


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Given F(x) = log8 x, find F(64). ...?

Answers

Thank you for posting your question here at brainly. I hope the answer will help you. Feel free to ask more questions here.

Below is the solution:


f(64) = log8 64 
= log8 8^2 
= 2 log8 8 
= 2

Answer:

[tex]F(64)=2[/tex]

Step-by-step explanation:

Given the funtion:

[tex]F(x)=log_8(64)[/tex]

We need to find the value of the function at x=64:

[tex]F(64)=log_8(64)= z[/tex]

Where z is the value we are trying to find. In order to find z, let's use the definition of the base of a log:

[tex]log_xy=z\Rightarrow x^z=y[/tex]

So:

[tex]8^z=64[/tex]

Express [tex]8^z[/tex] as:

[tex]2^{3z}[/tex]

And express 64 as:

[tex]2^6[/tex]

Which leads to:

[tex]2^{3z}=2^6[/tex]

Equate exponents of 2 on both sides:

[tex]3z=6[/tex]

Solving for z:

[tex]z=\frac{6}{3} =2[/tex]

Therefore:

[tex]F(64)=log_8(64)= z=2[/tex]

Let U = {21, 22, 23, ..., 40}, A = {21, 22, 23, 24, 25}, B = {26, 27, 28, 29}, C = {21, 23, 25, 27, ..., 39}, and D = {22, 24, 26, 28, ..., 40}.
Use the roster method to write the following set.
11) Aʹ

Answers

Final answer:

The complement of set A with respect to the universal set U (A') is {26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40}, which contains all elements in U that are not in set A.

Explanation:

The student is asked to use the roster method to write the set A', which represents the complement of set A with respect to the universal set U. The set A' consists of all elements in the universal set U that are not in set A.

First, we list all the elements of the universal set U, which are {21, 22, 23, ..., 40}. Set A contains {21, 22, 23, 24, 25}. To find A', we remove the elements of A from U, resulting in A' = {26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40}.

Final answer:

The set A' includes all numbers from 26 to 40 in the universal set U, which are not included in set A.

Explanation:

To find the set A' or the complement of set A in the universal set U, we need to list all the elements in U that are not in A. Given that the universal set U consists of the numbers 21 through 40, and the set A includes the numbers 21, 22, 23, 24, and 25, we can determine A' by subtracting these from U.

The roster method simply lists out all of the elements. Doing so for A' yields the following:

A' = {26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40}

These are all the numbers in U that are not in A.

If a and b are positive numbers, find the maximum value of f(x)=x^a*(1-x)^b, 0 less than or equal to x less than or equal to 1.
Your answer may depend on a and b. What is the maximum value? ...?

Answers

 f '(x) = ax^(a-1)(1 - x)^b - bx^a (1 - x)^(b-1) = x^(a-1)(1 - x)^(b-1) (a(1 - x) - bx). 


If a < 1 or b < 1, this may not be defined at one or both of the end points. f '(x) = 0 if the right most term is zero. 


a - ax - bx = 0 ==> x = a/(a + b). 


Note that this number is both well define and is between 0 and 1. 


f(0) = 0 

f(1) = 0, 

f(a/(a+b)) = a^ab^b/(a + b)^(a + b) <--- the maximum value.


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Find the derivative of f(x)=cosx-2tanx.

Answers

I hope this helps you
f ( x ) = cos x - 2 tan x
The derivative:
f ` ( x ) = - sin x - 2 * 1 / cos² x =
= - sin x  - 2 / cos² x =
= ( - sinx cos² x - 2 ) / cos² x 

If a road has a 4% grade and rises 200 feet, what is the run?

Answers

4% of the run is 200
as an equation 4%=0.04
0.04*run=200
so run=200/0.04
run=5000feet

Answer:

5000

Step-by-step explanation:

400 ÷ 4% = 5000

Find the radius of a circle with an area of 90 cm^2

Answers

area of a circle=pi*r^2
so 90=pi*r^2
r=square root(90/pi)
r=5.35

use the substitution method to solve the system of equations . choose the correct ordered pair. 2x = 3y = 29, x=4

Answers

2(4) + 3y = 29
8+3y=29
-8        -8
3y=21
/3    /3
y=7

Answer:

4, 7

Step-by-step explanation:

They are offering chocolate, vanilla, strawbrry ice cream. and they ar also can choose from toppings chocolate syrup, sprinkles, caramel, or whipped cream. how many sundae combinations ar possible

Answers

C- CS,S,C,W
V- CS,S,C,W
S- CS,S,C,W

12 combinations ( 4x3)

Final answer:

By using the counting principle and multiplying the choices for ice cream flavors (3) by the choices for toppings (4), we find there are 12 possible sundae combinations.

Explanation:

To determine the number of possible sundae combinations with the given choices, we can use the counting principle. We multiply the number of options for each category. In this case, there are three choices for ice cream flavors (chocolate, vanilla, and strawberry) and four choices for toppings (chocolate syrup, sprinkles, caramel, and whipped cream).

Since a sundae consists of one ice cream flavor and one topping, we simply multiply the number of options for ice cream by the number of options for toppings.

3 ice cream flavors × 4 toppings = 12 possible combinations.

Therefore, there are 12 unique sundae combinations a customer can choose from.

Name the intersection of the planes ACE and CDF

Answers

CE is the answer to your question

In a class of 120 students numbered 1 to 120, all even number students opt for physics, whose number are divisible by 5 opt for chemistry & those whose no are divisible by 7 opt for math. How many opt for none of these subjects?

Answers

41 opt for none of these subjects

60 even numbers between 1 and 120

24 numbers are divisible by 5 between 1 and 120.
(however 12 of them end in 0 and are even numbers therefore ruled out)
12 multiples are left

17 multiples of 5 between 1 and 120
however 8 of them are multiples of 2 and 2 are multiples of 5
7 multiples are left 

60 + 12 + 7 = 79
120 - 79 = 41

if you found 259 to the nearest hundreds,what is the answer

Answers

it would be rounded up to 300.
this is because the number in the tens column is 5 or above therefore you round up.

hope this helps you

If you help, please finish the answer, because I really need help. Everyone disappears on me.

Answers

I believe the correct answer is 3
Your answer would be D.) [tex] \frac{3}{4} x-3[/tex]

Hope this helps!!! :)

is y = x an additive Relationship? Explain.

Answers

y=x so y=1*x and for x-value, the y-value gets multiplied by 1 since "y=1*x" therefore it is a multiplicative relationship.

Find the values of x and y drawing not to scale

Answers

Part 1)

In this problem we know that

[tex]4y\°+112\°=180\°[/tex] ------> by supplementary angles

solve for y

[tex]4y\°=180\°-112\°[/tex]

[tex]y=68\°/4[/tex]

[tex]y=17\°[/tex]

Part 2)

In this problem we know that

[tex]7x+7=112\°[/tex] ------> by vertical angles

solve for x

[tex]7x=112\°-7\°[/tex]

[tex]x=105\°/7[/tex]

[tex]x=15\°[/tex]

therefore

the answer is the option A

[tex]x=15\°, y=17\°[/tex]

there are 110 calories per 28.4 grams of cereal X.find how many calories are in 45.44 grams of this cereal

Answers

Calorie  : Cereal
110      :  28.4
   x        : 45.44
Cross multiply.
it will give you
x=1.6

Which statement is correct?
A horizontal line has no slope.
A vertical line has a slope of zero.
A line that rises from left to right has a positive slope.
A line that falls from right to left has a negative slope.

Answers

A line that rises from left to right has a positive slope

Answer:

A line that rises from left to right has a positive slope

Step-by-step explanation:

Verify each statement

case A) A horizontal line has no slope

The statement is False

Because a horizontal line has a slope equal to zero

case B) A vertical line has a slope of zero

The statement is False

Because a vertical line has a undefined slope

case C) A line that rises from left to right has a positive slope

The statement is True

case D) A line that falls right to left has a negative slope

The statement is False

Because a is a positive slope


what is 200 times 16?

Answers

what is... 3,200 hope it helps.
200 * 16 = 3,200.

You're welcome ;>

find (2 × 107) (3 × 104).

Answers

the answer will be 66768
(2 × 107) (3 × 104)
------------
(2 × 107) = 214

 (3 × 104) = 312
------------------------------
312 x 214
---------------------------
= 66768

What is the absolute value of 6?

Answers

The absolute value of 6 is 6.

Answer:

absolute value is 6

What is the value of x? 18-7x = -20.5

Answers

Simple...

you have: 18-7x= -20.5

Isolate the variable x

18-7x= -20.5

18-7x= -20.5
-18      -18

-7x=-38.5

Now simply divide-->>

x=5.5

Thus, your answer.
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