Hi there!
~
Let's solve your equation step-by-step.
[tex]x^{2} =\ 255[/tex]
Step 1: Take square root.
[tex]x =[/tex] ± [tex]\sqrt{255}[/tex]
[tex]x = \sqrt{255}[/tex] or [tex]= - \sqrt{255}[/tex]
Hope this helped you!
5x + 15 = 75
State your answer as a decimal, not a fraction.
x = 12
Step-by-step explanation:5x + 15 = 75
5x = 75 - 15
5x = 60
x = 60 : 5
x = 12
Question Which of the following statements are equivalent to the statement "Not all cats do not like having their belly rubbed"?
5. A group of hikers descended 1,200 feet from a
mountain in 3 hours. What was the change in elevation
per hour? Write your answer as an integer.
Answer:
300 feet an hour
Step-by-step explanation:
in three hours they went down 1200 feet so that means in 1 hour they will go down 300 feet if they take no break
(Question is on the picture)
Answer:
Step-by-step explanation:
5. (6.5 - 2)/(7 - 4) = 4.5/3 = 1.5
6. (8 - 8)/(-5 - 10)= 0/-15= 0
7. (-3 + .75)/(4 - 1) = -2.25/3 = -.75= -3/4
8. (2 + 7)/(18 - 18)= 9/0 = undefined
15 is divisible by 75 true or false ? need it right now :)
15 is divisible by 75 true or false
Answer:
True
ok so I need help on this question. How would you evaluate this expression, -8x + 5 -2x - 4 + 5x when x=2. How would you write the expression in simplest form?
Answer:
Here are the basic steps to follow to simplify an algebraic expression:
remove parentheses by multiplying factors.
use exponent rules to remove parentheses in terms with exponents.
combine like terms by adding coefficients.
combine the constants.
Step-by-step explanation:
Write 40/64 in simplest
Find and simplify the following for f(x)=x(22-x), assuming h ≠ 0 in (C),a. f(x + h)b. f(x+h)- f(x)c. f(x+ h)- f(x)/h
Answer:
The answer is below
Step-by-step explanation:
Given that f(x)=x(22-x)
a) f(x)=x(22-x)
f(x + h) = (x + h)(22 - (x + h))
f(x + h) = (x + h)(22 - x - h)
f(x + h) = (22x - x² - xh + 22h - xh - h²)
f(x + h) = (-x² + 22x - h²+ 22h - 2xh)
b) f(x)=x(22-x) = 22x - x²
f(x + h) = (-x² + 22x - h²+ 22h - 2xh)
f(x+h)- f(x) = (-x² + 22x - h²+ 22h - 2xh) - (22x - x²)
f(x+h)- f(x) = -x² + 22x - h²+ 22h - 2xh - 22x + x²
f(x+h)- f(x) = -x² + x² + 22x - 22x - h²+ 22h - 2xh
f(x+h)- f(x) = - h²+ 22h - 2xh
c) f(x+h)- f(x) = - h²+ 22h - 2xh
[tex]\frac{f(x+h)-f(x)}{h}=\frac{- h^2+ 22h - 2xh}{h}\\ \\\frac{f(x+h)-f(x)}{h}=\frac{- h^2}{h}+\frac{22h}{h}-\frac{2xh}{h}\\\\\frac{f(x+h)-f(x)}{h}=-h+22-2x[/tex]
[tex]\lim_{h \to 0} \frac{f(x+h)-f(x)}{h}= \lim_{h \to 0} (-h+22-2x )=22-2x[/tex]
You and two friends pay $40 for tickets. The cost was divided three ways in the ratio 1 : 3 : 6. How much did each person pay
Answer:
first person payed$4, second person payed$12 and the third person payed $24
Step-by-step explanation:
find the sum of the ratio
find
1 divided by the total ratio time $40 to get first person
follow in that order to get the amount each person payed.
jayden has two jobs. his full time job pays $17 an hour. a part time job pays $9 an hour. last week jayden worked 32 hours at his full time job and 14 hours at his part time job
Answer:
670
Step-by-step explanation:
32 hours at 17 plus 14 hours at 9
32 *17 + 14 *9
544+126
670
Answer:
job 1 = 544 dollars he made job 2 = 126$
Step-by-step explanation:
You multiply the amount he made for 1 hour by the total hours same thing with job 2.
what Is the area of the trapezoid
18m
Step-by-step explanation:
5x3=15 +3 =18
A football is thrown by a quarterback to a receiver. The points in the figure show the height of the football, in feet, above the ground in terms of its distance, in yards, from the quarterback. Use this information to solve the problem. Find the coordinates of point B.
Answer:
Coordinates of the point B will be (14, 3.5).
Step-by-step explanation:
From the graph attached,
Distance between the Quarterback and Receiver = x-coordinate of the point B = 14 yards
Similarly, height of the football from the ground at point B = y-coordinate of the point B = 9 + [tex]\frac{12-9}{2}[/tex]
= 9 + 1.5
= 10.5 feet
Since, 1 feet = [tex]\frac{1}{3}[/tex] yards
10.5 feet = [tex]\frac{10.5}{3}[/tex]
= 3.5 yards
Therefore, coordinates of the point B will be (14, 3.5).
laws of Sines. Find each measurement indicated. Round your answers to nearest tenth. Part 1
Answer:
1) 19.0km
2) 23.9mi
3) 53.9yd
4) 30.0mi
(all answers rounded off to the nearest tenth)
Step-by-step explanation:
Please see the attached pictures for full solution.
solve for y. y/6 = 3/9 simplify your answer as much as possible
Answer: y=2
Step-by-step explanation:
y/6 = 3/9 multiply both sides by 6/1 (since 6/1 times y/6 equals 1y or just y)
y = 18/9 now that y is isolated, just simplify 18/9
y=2 18 divided by 9 is 2
Which pair of terms is alike?
A
X, 5x
B
3x, 2xy
C
2x, 2y
D
-4, -4y
Answer:
A
X, 5x
Step-by-step explanation:
A
X, 5x yes, both variables are x
B
3x, 2xy no, the first variable is x the second is x times y
C
2x, 2y no the first variable is x and the second is y
D
-4, -4y no, the first is a constant and the second has a variable
Answer:
Pair A
Step-by-step explanation:
Pair A (x, 5x) are like terms.
Like terms are terms in a expression or equations with the same variables.
'x' and '5x' have the same variable (you can think of 'x' as '1x'), so they are like terms. All other pairs have different variables.
Hope this helps.
You spin the spinner twice what is the probability of landing on 6 and then landing on 6 again
1/8 since 4*2=8 and there is one spot you can land on with 6.
Answer:
2/8
Step-by-step explanation:
If you are spinning it twice and there is 4 places that is where you get the 8 The 2 comes from how many times you are spinning
can i plz get help? on these ?
Step-by-step explanation:
she is showing how many wheels are on each bike and skateboard,on each bike there are 2 wheels,on each skateboard there are 4 wheels. sarahs is different because she shows how many wheels are on each of those bikes
A store recorded the number of sweatshirts sold on several days throughout the year. The
scatterplot shows the relationship between the average daily temperature and the number of
sweatshirts sold.
Complete the following statement.
For every 10-degree increase in temperature, the store sells approximately
fewer
sweatshirts
A. 5
B. 10
C 30
D.50
Answer:
30
Step-by-step explanation:
For every 10-degree increase in temperature, the store sells around 50 fewer sweatshirts. The correct option is D.
What is regression analysis?Regression analysis is a group of statistical procedures used in statistical modeling to determine the relationships between a dependent variable and one or more independent variables.
A scatter plot is a particular kind of plot or mathematical diagram that displays values for typically two variables for a collection of data. It uses Cartesian coordinates. When the points are coded, a further variable can be seen.
Given that store recorded the number of sweatshirts sold on several days throughout the year. The scatterplot shows the relationship between the average daily temperature and the number of sweatshirts sold.
Here is the scatter plot, it is observed that by increasing the temperature the number of sweatshirts sold is decreasing. For every 10-degree depression of temperature, the number of the sells is decreased by 50.
Therefore, for every 10-degree increase in temperature, the store sells around 50 fewer sweatshirts. The correct option is D.
To know more about regression analysis follow
https://brainly.com/question/26755306
#SPJ2
a+2a-1=11
Be quick please :D
Answer:
[tex]a=4[/tex]
Step-by-step explanation:
So we have the equation:
[tex]a+2a-1=11[/tex]
First, combine like terms:"
[tex]3a-1=11[/tex]
Now, add 1 to both sides:
[tex]3a=12[/tex]
Divide both sides by 3:
[tex]a=4[/tex]
And we're done!
Find each product. Then determine which conclusion can be drawn based on the results.
√2•√2
√5•√7
√ 2•18
√2•√6
The product of two irrational numbers is always rational.
The product of two irrational numbers can be rational or irrational.
The product of two irrational numbers is always irrational.
The product of two irrational numbers cannot be determined.
Answer:
Second answer:
"The product of two irrational numbers can be rational or irrational"
Step-by-step explanation:
notice from the first product
[tex]\sqrt{2} \,* \,\sqrt{2} = \sqrt{4} = 2[/tex]
that the product of two irrational numbers can give us a rational one.
from the other three examples, the answer for the products always contains a square root that cannot be reduced, so they all result in an irrational number.
Then, depending on the type of irrationals used, the product can be either rational or irrational.
are points a c d and j coplanar
Veronica deposited $11 in a savings account that earns 1.9% simple interest. Which graph represents this scenario?
Answer:
Option C
Step-by-step explanation:
Initial balance= $11Interest rate = 1.9% PA simpleIt will be graphed as function:
y = 11 + 0.019xSince is has a very small slope of 0.019 it will be shown almost parallel to x axis.
Some points on the graph:
Amount in 1 year= 11*(1+0.019) = $11.21Amount in 2 years = 11*(1+2*0.019) = $11.42Amount in 6 years = 11*(1+6*0.019) = $12.25Amount in 10 years = 11*(1 + 10*0.019) = $13.09Correct graph is option C
Solve:
1. (12+a) / 47 = - 18
Answer:
a= -858
Step-by-step explanation:
46 times -18 equals -846
-846-12 equals -858
Answer:
a=-858
Step-by-step explanation:
12+a=846
a=-846-12
a=-858
find two consecutive odd integers such as that 6 times the lesser integer is 7 more than 5 times the greater integer
Answer:
The first consecutive integer is 17 while the second is 19
Step-by-step explanation:
Let us say that the first odd integer is x
At this point, the second odd integer will be x+2.
This is because to obtain the next consecutive odd integer, 2 will have to be added to the original number.
From the question, we can set up an equation as shown below:
[tex]6x= 7+5(x+2)[/tex]
from this, we can simply evaluate and find out the value of x
[tex]6x=7 +5x +10\\x=17[/tex]
therefore, the first consecutive integer is 17 while the second is 19
AB =4x+7
BC= 5x-8
AC=????
Answer:
i'm not sure so i'm sorry if it is not the right answer
Step-by-step explanation:
Let's assume AC is a straight line and B is on the line between A and C
AC=AB+BC
AC=4x+7+5x-8
AC=9x-1
I need help with #2 and 4 please help me T^T
Answer:
2. w = -90
4. b = 8
Step-by-step explanation:
Multiply both sides by the reciprocal of the number multiplying the variable.
2.
[tex] -\dfrac{2}{3}w = 60 [/tex]
[tex] -\dfrac{3}{2} \times (-\dfrac{2}{3}w) = -\dfrac{3}{2} \times 60 [/tex]
[tex] w = -\dfrac{180}{2} [/tex]
[tex] w = -90 [/tex]
4.
[tex] 9.6 = 1.2b [/tex]
[tex] \dfrac{1}{1.2} \times 9.6 = \dfrac{1}{1.2} \times 1.2b [/tex]
[tex] 8 = b [/tex]
[tex] b = 8 [/tex]
find three consecutive integers whose sum is 63
what decimal is longer than 8.5 cm
Answer:
8.5555Step-by-step explanation:
This number is not only larger, but also longer in digits than 8.5.
___________________________________________________I AM ALWAYS HAPPY TO HELP :)Can you please help with question 2 and explain your work?
Answer:
Find AC+CB
Step-by-step explanation:
Answer:
Find [tex]AC + CB[/tex]; 10
Find AB; 10
Step-By-Step Explanation:
[tex]AC (3) + CB (7) = 10[/tex]
Find AB is the same thing, just phrased differently.
Which of the following would you consider to be an example of a geometric line segment? Please
explain your answer or answers.
The 10-yard line on a football field
A scientist's line of vision as he looks into space with a telescope
A line of 15 dancers on stage
A light shone into the darkness
Hands of a clock
Answer:
The 10-yard line on a football field
Step-by-step explanation:
A geometric line segment is a straight path of points(that is a line) that has two end points (that is a beginning and an end). A 10 yard line on a football field is a line segment because it has two endpoints which is at the beginning of the 10 yard and at the end of the 10 yard.
A scientist's line of vision as he looks into space with a telescope is not a line segment because it extends forever (has no end).
A line of 15 dancers on stage is not a line segment, A light shone into the darkness is not a line segment because it continues forever and also, the hands of a clock is also not a line segment.