Answer:
C. X=6
Step-by-step explanation:
Length of one side =52/4= 13
3X-5= 13
3x = 13+5
X= 18/3
X= 6
Which figure can be formed from the net?
Answer:
its the figure on the top left, so A
brainliest pls! :D
Answer: the third one
Step-by-step explanation:
i took the quiz on k12
What is the radius of a circle whose equation is (x – 7)2 + (-10)2 = 4?
2 units
4 units
8 units
16 units
Answer:
Its A) 2 units
Step-by-step explanation:
a square pyramid has a volume of 30 cubic millimeters and a height of 5 mm what is the area of the base of the pyramid
PLEASE HELP ME AND IF U GIVE ME A LINK OR A FILE I SWEAR.
Answer:
Step-by-step explanation:
V=hb/3, where b=area of base
b=3V/h, since V=30mm^3 and h=5mm then
b=3(30)/5
b=18 mm^2
So the area of the base is 18 square millimeters.
Consider the expression
What is 3 1/5 -2 3/5?
Answer:
0.6 or 3/5
Step-by-step explanation:
Answer:
[tex]\frac{3}{5}[/tex]
Step-by-step explanation:
[tex]3\frac{1}{5} -2\frac{3}{5} \\\\\frac{16}{5} -\frac{13}{5} \\\\\frac{3}{5}[/tex]
adding and subtracting polynomials
Subtract 2x² + 6x - 5 from 7x² + 3x + 4
Answer: 5x^2 - 3x + 9
Step-by-step explanation:
Answer:
5x^2 - 3x + 9
Step-by-step explanation:
Identify the response variable and whether the setting involves a single sample, a matched pairs, or two independent samples.
a. A chemist obtains a reference specimen of known concentration from the National Institute of Standards and Technology. She then makes 20 measurements of the concentration of this specimen with the new method and checks for bias by comparing the mean result with the known concentration.
b. Choose 40 romantically attached couples in their midtwenties. Interview the man and woman separately about a romantic attachment they had at age 15 or 16. Compare the attitudes of men and women.
c. Another chemist is checking the same new method. He has no reference specimen, but a familiar analytic method is available. He wants to know if the new and old methods agree. He takes a specimen of unknown concentration and measures the concentration 10 times with the new method and 10 times with the old method.
Answer:
1. single sample design
2. matched pairs
3. two independent samples.
Step-by-step explanation:
the response variable is known as the dependent variable, it is the variable that the researcher is interested i finding. the response variable is the x variable that responds to changes in the independent variable.
1.
In this question the researcher has only one sample that is the specimen. that is the reference specimen that she obtained. Therefore it is a single sample design.
the response variable here is the measurement of concentration.
2. In this question we have two pairs, men and women. The researcher is interested in comparing attitudes as she interviews them. so response variable is attitude or behavior
3. this is a 2 independent sample design. The researcher is using two different methods to test and their average is being compared.
2. A net of a triangular prism is shown. The bases are isosceles triangles.
5 in
2.5 in
3 in.
What is the surface area of the prism?
Answer:
look at this dudeee
Surface area of the prism given is 46 inches².
What is Surface Area?The area of a three dimensional object on it's outer surface is called the surface area of the object
Given net of a prism.
The given net consists of three rectangles and two triangles.
Find the area of each of the two dimensional figures.
Given, the bases are isosceles triangles.
So the two rectangles are of dimensions 5 inch × 2.5 inch and third rectangle is of the dimensions 5 inch × 3 inch.
Total area of the rectangles = (5 × 2.5) + (5 × 2.5) + (5 × 3)
= 40 inches²
Area of two triangles = 2 × [tex]\frac{1}{2 }[/tex] × 3 × 2
= 6 inches²
Surface area of the prism = 40 inches² + 6 inches² = 46 inches²
Hence the required area is 46 inches².
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A cosine function has a period of 5π6, an amplitude of 6, and a vertical translation 5 units down. The function is not reflected over the x-axis.
What is the equation for this cosine function?
Answer:
The equation is "[tex]y=6 \ Cos(\frac{12}{5}x)-5[/tex]". A further explanation is described below.
Step-by-step explanation:
The given values are:
Period,
B = [tex]\frac{5 \pi}{6}[/tex]
= [tex]\frac{12}{5}[/tex]
Amplitude,
A = 6
Vertical translation down,
D = -5
As we know,
The equation of cosine function will be:
⇒ [tex]y=A \ Cos(Bx)+D[/tex]
On substituting the values in the above equation, we get
⇒ [tex]y=6 \ Cos(\frac{12}{5}x)+(-5)[/tex]
⇒ [tex]y=6 \ Cos(\frac{12}{5}x )-5[/tex]
Answer:
Step-by-step explanation:
Select the correct answer.
A researcher for a travel company is looking into the prices people are willing to pay for airplane tickets. The company has communicated that the overall population mean is $265 with a standard deviation of $40.93. The researcher has a sample of 130 ticket purchases from one location.
By the central limit theorem, which interval can the researcher be 95% certain that the sample mean will fall within?
From the central limit theorem, the interval can the researcher be 95% certain that the sample mean will fall within A. $257.82 and $272.18.
How to use the Central limit theorem?
We are given;
Population Mean; μ = $265
Population standard deviation; σ = $40.93
Sample size; n = 130
The central limit theorem (CLT) postulates that the distribution of sample mean approximates a normal distribution with larger sample sizes, disregarding the population's distribution.
This implies that sample sizes equal to or greater than 30 are often considered sufficient for the Central limit theorem to hold.
Thus, by the central limit theorem, the interval can the researcher be 95% certain that the sample mean will fall within A. $257.82 and $272.18.
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Answer:
See image below
Step-by-step explanation:
15x^2+5x GCF help. out please
Answer:
5x is the GCF
Step-by-step explanation:
32
Which of the following is equivalent to
(16^3/2)^1/2
?
6
8
12
64
Answer:
8
Step-by-step explanation:
CAMO is a rectangle with diagonals intersecting at W. WA = 4x - 3 , CW = x + 6 , and AO = 22 Find x.
Answer:
x = 3.5
Step-by-step explanation:
diagonals bisect each other so AW = OW
since AO = 22 then AW = 11
11 = 4x - 3
14 = 4x
x = 7/2 or 3 1/2
if a televison screen measures 24 inches high and 18 inches wide what size televison is it
I don't quite get what you want, so here, the TV could be a medium (If that's what you wanted), and the TV could be 24 by 18 inches (If that's what you wanted instead.)
Answer:
35 in.
Step-by-step explanation:
Write an algebraic expression that represents 2 less than 18 times a number?
Answer:
Step-by-step explanation:
18x-2
Answer:
2‹18x
2 is less than 18 timesX
Sarah is redecorating her bedroom and wants to pack away some picture frames. She is using a box that has measurements of 7 1/2 inches long, 3 2/3 inches wide, and 4 1/4 inches tall for storing them.
Part A:
What is the volume of Sarah's box?
Part B:
Each picture frame has a volume of 2 1/2in. Using your findings in Part A, how many picture frames can Sarah fit in her box?
Answer:
A. 71/2 = 35.5 + 32/3= 10.7 + 41/4= 10.3
35.5 + 10.7 + 10.3 = 56.5
B. 21÷2 = 10.5
56.5 ÷ 10.5 = 5.380952381
5 pictures frames
What is the answer for this 1/3x=-4/5
Answer:
x = -12/5
General Formulas and Concepts:
Pre-Algebra
Order of Operations: BPEMDAS
BracketsParenthesisExponentsMultiplicationDivisionAdditionSubtractionLeft to RightEquality Properties
Multiplication Property of EqualityDivision Property of EqualityAddition Property of EqualitySubtraction Property of EqualityStep-by-step explanation:
Step 1: Define
1/3x = -4/5
Step 2: Solve for x
[Division Property of Equality] Divide 1/3 on both sides: x = -12/5Which of the following is equivalent to the expression below?
4x + 3(2x - 1) - 4x
A basketball player made 16 shots for a total of 38 points during a game. Some points were worth 2 points and some were worth 3 points. Write a system of equations that models this. How many 2 and 3 point shots did he make? Write your answer as a coordinate.
Answer:
4- 3s and 2- 2s
Step-by-step explanation:
3+3+2+2+3+3
Which number is prime 9,10,11,12
Answer:
11
Step-by-step explanation:
A prime number is a number that cannot be factored other than 1 and that number is self thus, 11 will be the prime number.
What is a number system?The number system is a way to represent or express numbers.
A decimal number is a very common number that we use frequently.
Since the decimal number system employs ten digits from 0 to 9, it has a base of 10.
A prime number is a number that cannot be factored other than 1 and that number is self.
For example, 9 can be written as 3 x 3 thus it will not prime number and 11 cannot be written as two products other than 1 x 11 thus it will be a prime number.
Hence "A prime number is a number that cannot be factored other than 1 and that number is self thus, 11 will be the prime number".
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balance the equation 45=r+13
Answer:
45=32+13
Step-by-step explanation:
because you need to get 45 on the other side to balance it out
Answer:
32
Step-by-step explanation:
45=r+13
r=45-13
r=32
Pls help with this question.
Answer:
C. Supplementary angles
Step-by-step explanation:
because they add up to 180°
Answer:
Supplementary angles
Step-by-step explanation:
Supplementary angles b/c the 2 angles would have to equal 180
A normal six-sided die is thrown once. The number of outcomes in the sample space is
The number of outcomes in the sample space is 6.
What is Probability?It is a branch of mathematics that deals with the occurrence of a random event.
When you roll a 6 sided dice, number of dots on uppermost face is called as outcome. Now, whenever a dice is rolled we can get either 1, 2,3,4,5 or 6 dots on the upper most face that is now outcome.
So experiment here is "Rolling a 6 faced dice" and list of possible outcomes is "{1,2,3,4,5,6}".
Sample space by its definition is list of all the possible outcomes of an experiment.
S={1,2,3,4,5,6}
Hence, the number of outcomes in the sample space is 6.
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At the store, you see oranges on sale at 1 pound for 3 dollars. At a different store, your brother sees oranges on sale at 3 pounds for 8 dollars.
Do the oranges cost the same at both stores?
Which store offers a better deal?
What rule describes the translation?
Write tule as an ordered pair
7)
Which could be solved for x?
-0)
A)
2x+2
B)
3(x+ 2)
)
D)
1 / 8x = 12
look at the picture I attached
Answer:
6
im not really sure how to explain this, using the number line go from -2 to 4, getting you to 6 spaces
What is the cost of 12.7 gallons of gasoline at $2.15 per gallon?
Please Help I’ll put Brainliest!!!!!!!
Answer:
$27.31 (rounded to the nearest cent)
could you help please i will give points but please explain
Answer: 7/12
Step-by-step explanation: Given that,
(5/6) - (1/4) = ?
The difference Will be, take L.C.M. of 6 and 4 which is 12, then we get,
= ( 10 - 3 ) / 12
= 7 /12
Jasmine bought a pennant (triangle) of the favorite baseball team. If the base is 16 inches and height is 24 inches, how much area will it cover on her wall? (HOW DID YOU GET YOUR ANSWER, PLEASE SHOW ME YOUR WORK!!)
A. 600
B. 111
C. 598
D. 192
E. 9854.05
F. 9843.75
G. 55
H. 1