Kiana is saving for a new computer that cost $499. So far, she has earned 68 percent of the cost of the computer. How much more must Kiana earn.
Answer:
159.68
Step-by-step explanation:
68% of 499 is 339.32
499 -339.32=159.68
hope this helps
A text book publisher wants to estimate the number of sentences per paragraph in a history textbook. The publisher count the number of sentences in 150 randomly selected paragraphs. The results are shown in the table. Based on the data what is the mean number of sentences per paragraph in the textbook?
A. 4
B. 5
C. 10
D. 15
Using the weighed mean, it is found that the mean number of sentences per paragraph in the textbook is given by:
B. 5
What is the weighed mean?The weighed mean is given by the sum of all elements in a data-set multiplied by it's weight, divided by the sum of the weights.
In this problem:
The sum of the values multiplied by it's weights is: 1 x 0 + 2 x 3 + 3 x 20 + 4 x 43 + 5 x 36 + 6 x 25 + 7 x 10 + 8 x 8 + 9 x 2 + 10 x 3 = 750.Considering that there are 150 books, we have the mean is:
M = 750/150 = 5.
Hence option B is correct.
More can be learned about the weighed mean at https://brainly.com/question/24398353
HELP Determining Similar Figures
Answer:
Step-by-step explanation:
Two figures are said to be similar if they are the same shape. In more mathematical language, two figures are similar if their corresponding angles are congruent , and the ratios of the lengths of their corresponding sides are equal.
Factor out the coefficient of the variable.
The expression 4h−3 factored is
Answer:
4
Step-by-step explanation:
because the variable is h and the constant is 3
ill mark brainlist plss help
Answer:
option 1 is correct
Step-by-step explanation:
Can I plz have brainliest. thx :-)
Have a nice day!
Answer: Quadrilateral parallelogram, trapezoid; trapezoid
Step-by-step explanation:
A trapezoid has four sides so that makes it a quadrilateral, a parallelogram has at least two parallel sides (top and bottom), a lastly a it's a trapezoid and trapezoid has only one pair of parallel sides.
What combination of transformations is shown below
Answer:
rotation ,then reflection
Please i need extreme help
Answer:
90
Step-by-step explanation:
the formula to find the area of any right triangle is:
a=leg 1
b=leg 2
(a*b)/2
(15*12)/2
180/2
90
Answer:
90
Step-by-step explanation:
how do you divide 5 by 1/3
Answer:
There are two ways
Step-by-step explanation:
1. Multiply 5 by the fraction, 1/3
When you multiply a whole number by a fraction, it will give the same result as you would have by dividing it.
2. Divide 5 by 3
Answer:
15
Step-by-step explanation:
What is the square root of 23
Answer:
No real solution
Step-by-step explanation:
The simplest form is √23
Answer:
4.79583152331
Step-by-step explanation:
.................
...
At a dinner, the meal cost $22 and a sales tax of $1.87 was added to the bill.
How much would the sales tax be on a $66 meal?
Please show work.
Answer:
It is 5.61
Step-by-step explanation:
22×3=66
1.87×3=5.61
find the value of x cubed minus 2x squared minus 7x + 5 of x=1/2-√3
9514 1404 393
Answer:
3
Step-by-step explanation:
For f(x) = x^3 -2x^2 -7x +5 and x=1/(2-√3), we have ...
f(x) = ((x -2)x -7)x +5
and ...
x = 1/(2-√3) = (2+√3)/(2^2 -3) = 2+√3
Then ...
f(2+√3) = ((2 +√3 -2)(2 +√3) -7)(2 +√3) +5
= (3+2√3 -7)(2+√3) +5
= 2(√3 -2)(√3 +2) +5 = 2(3 -4) +5 = -2 +5
f(1/(2 -√3)) = 3
_____
If you really mean x = (1/2) -√3, then f(x) = (42√3 -3)/8.
Electrical circuit has a voltage of 60 v and resistance of 5 ohms that is the current?
Answer:
The current or I = 12.
Step-by-step explanation:
Ohm's law requires you to divide 60 volts by 5 ohms, hence giving you 12.
I need help with this question
Alice wants to put a fence around a portion of her yard in the shape of a right triangle. She knows that the larger leg of the triangle is
2
feet longer than its smaller leg. The hypotenuse is
4
feet longer than the smaller leg.
How many feet long is the hypotenuse?
Answer:
Step-by-step explanation:
[tex]h^2=x^2+y^2\\ \\ h=y+4,\ x=y+2\\ \\ (y+4)^2=(y+2)^2+y^2\\ \\ y^2+8y+16=y^2+4y+4+y^2\\ \\ y^2+8y+16=2y^2+4y+4\\ \\ y^2-4y-12=0\\ \\ (y-6)(y+2)=0\\ \\ y>0\\ \\ y=6ft\\ \\ h=6+4=10ft[/tex]
Given the two similar triangles below. What is the measure of x?
Answer:
x=2.4
Step-by-step explanation:
as the 2 triangles are similar,
[tex] \frac{6}{x} = \frac{5}{2} [/tex]
therefore ;
[tex]x = \frac{6 \times 2}{5} [/tex]
[tex]x = 2.4[/tex]
Answer:
The answer would be 2.4
Step-by-step explanation:
This is because 5 is the same as 2, and 7 is the same as y, and then 6 is the same as x. If you divide 5 by 2 you get 2.5 if you divide 6 by 2.5 you get 2.4
A chemistry experiment needed 12.45 grams of chemical to produce one liter of a gas. If Zoe wanted 24 liters of gas, how many kilograms of the chemical will she need?
Please help! I will mark brainlist!
Answer: A
Step-by-step explanation:
does the graph below represent a function why or why not
Answer:
fyyockkgxixxyiyxicycyfjohoyc
Answer:
Where is the picture?
Step-by-step explanation:
I need Picture to help you out.
Please help this is due TODAY
Calculate the unknown variable value .
Do not answer with a one answer, blank or a ridiculous answer please this is serious.
Answer:
x=75°and y=x= 75°
Step-by-step explanation:
Reason: opposite angles are equal and how I got 75 is by drawing an extension line and finding the other angle (i.e. angle on a straight line=180) so 180-105=75.
Find the domain and range of the relation.
{(3,-2) (2,1) (-1,0) (1,3)}
PLEASEEE HELP
how can you find the distance between two points on a coordinate plane
Answer:
First, subtract y2 - y1 to find the vertical distance. Then, subtract x2 - x1 to find the horizontal distance. Don't worry if the subtraction yields negative numbers. The next step is to square these values, and squaring always results in a positive number. Hopefully this makes sense...
Step-by-step explanation
This is a long question so look at the picture thank
you
Answer:
2 students
Step-by-step explanation:
.............
A quality check manager designs a simulation using a random generator, where numbers 0, 1, 2, and 3 represent that a bulb works correctly, and the number 4 represents that a bulb is defective. The quality check manager performs the simulation 20 times. The table shows the results.
112 441 200 421 334
032 012 230 103 120
201 244 102 022 032
343 010 443 004 344
Based on the results of the simulation, what is the probability that the next 3 bulbs will all work correctly? (HOW DID YOU GET YOUR ANSWER PLEASE SHOW ME YOUR WORK!!)
A. 15
B. 25
C. 35
D. 45
Answer:
Ok hold on one moment
Step-by-step explanation:
There are 7 red marbles, 7 blue marbles, 7 yellow marbles, and 7 green marbles in a bag. If a person randomly selects 1 marble from the bag, what is the probability that the person selects a blue marble? (HOW DID YOU GET YOUR ANSWER, PLEASE SHOW ME YOUR WORK!!)
A. 0.75
B. 0.5
C. 0.25
D. 0.0625
Answer:
0.25
Step-by-step explanation:
You have 4 options:
1/4: red
1/4: blue
1/4: green
1/4: yellow
Combined equals a whole, so each one of them equals 0.25
I NEED HELP ASAAP SOMEONE!!
Answer:
5x4x3=60 3x4x5=60
Step-by-step explanation:
(4w^2-7w-6)-(8w^2+2w-3)
Please show Step-by-Step
Answer:
Step-by-step explanation:
[tex](4w^2-7w-6)-(8w^2+2w-3)\\ \\ 4w^2-7w-6-8w^2-2w+3\\ \\ -4w^2-9w-3[/tex]
please help me with this where do I put capitalization?????
Answer: At the beginning of the quotes. I hope this helps!
Answer: beginning
Step-by-step explanation:
Plz help
.
X
X
X
X
D
E
D
D
D
Answer:
radius by 2 ye this will be the correct answer d=r/2
Plz help I will give you 40 points and Brainly
Answer:
sorry i don't knowe this, i realy want to help you
Find the length of diagonal AV in a three dimensional figure.
Although I'm going to answer this question, I have to point out that this problem is NOT stated clearly. The problem being we don't know if angle AMV is a right angle.
But I'm assuming it is and thus we need to use the Pythagorean theorem.
AV=[tex]\sqrt{5^2+12^2}[/tex]
AV=13
Therefore answer is C. :D