Answer:
Addition. Add 80 + 10 so
Step-by-step explanation:
Write the product using exponents.
An exponent is the number of times something is multiplied by itself
Answer: (1/5)^2 * x^3
what’s the area and perimeter for this problem?
Answer:
0.71 m²
Step-by-step explanation:
Area of triangle:base = b = 0.75 m
altitude= h = 1.9 m
[tex]\boxed{\text{\bf Area of triangle = $\dfrac{1}{2}b*h$}}[/tex]
[tex]\sf = \dfrac{1}{2}*0.75*1.9\\\\ =0.7125\\\\ = 0.71 \ m^2[/tex]
cane someone do this please
The product of the matrices is an identity matrix. Then Both the matrices are multiplicative inverse to each other.
What is the matrix?A matrix is a specific arrangement of items, particularly numbers. A matrix is a row-and-column mathematical structure. The a_{ij} element in a matrix, such as M, refers to the i-th row and j-th column element.
The matrices are given below.
[tex]\left[\begin{array}{ccc}-3&7\\-2&5\end{array}\right] \ and \ \left[\begin{array}{ccc}-5&7\\-2&3\end{array}\right][/tex]
Then show that both the matrices are multiplicative inverse to each other.
If the product of the matrices is an identity matrix then the matrices are multiplicative inverse to each other.
Then we have
[tex]\left[\begin{array}{ccc}-3&7\\-2&5\end{array}\right] \left[\begin{array}{ccc}-5&7\\-2&3\end{array}\right] = \left[\begin{array}{ccc}1&0\\0&1\end{array}\right][/tex]
Then both the matrices are multiplicative inverse to each other.
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Match each mineral property to the correct description. HELP PLS
lmk if any of these are wrong :)
Answer:
Left Side A → Right Side A
Left Side B → Right Side B
Left Side C → Right Side E
Left Side D → Right Side D
Left Side E → Right Side C
Answer:
The person above me is probably correct on theirs, but failed to realize that its mixed up differently on everyone else’s. Here are the answers-
On a coordinate plane, a line is drawn from point a to point b. point a is at (9, negative 8) and point b is at (negative 6, 7). what are the x- and y- coordinates of point p on the directed line segment from a to b such that p is two-thirds the length of the line segment from a to b? x = (startfraction m over m n endfraction) (x 2 minus x 1) x 1 y = (startfraction m over m n endfraction) (y 2 minus y 1) y 1 (2, –1) (4, –3) (–1, 2) (3, –2)
Using proportions, it is found that the coordinates of p in the line segment are given as follows: (-1,2).
What is a proportion?A proportion is a fraction of a total amount, and the measures are related using a rule of three.
In this problem, the points are:
Point a(9, -8).Point b(-6, 7).Point p(x, y).p is two-thirds the length of the line segment from a to b, hence:
[tex]p - a = \frac{2}{3}(b - a)[/tex]
For the x-coordinate, we have that:
[tex]x - 9 = \frac{2}{3}(-6 - 9)[/tex]
x - 9 = -10
x = -1
For the y-coordinate, we have that:
[tex]y + 8 = \frac{2}{3}(7 - (-8))[/tex]
y + 8 = 10
y = 2.
The coordinates of p are (-1,2).
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Answer: (-1,2)
Step-by-step explanation: took the test, got it right!
Systematic random sample
What’s the definition
Answer: Systematic sampling is a type of probability sampling method where sample members from a larger population are selected based on a random starting point but with a fixed, periodic gap.
Step-by-step explanation:
I need help with this asap (50 Points)
Answer:
Multiply this measurement by two to account for both sides. Add the three separate measurements together. Because surface area is the total area of all of the faces of an object, the final step is to add all of the individually calculated areas together.
Step-by-step explanation:
To determine whether students
want a new school mascot, Abby
surveys every 25th student from an
alphabetized list of students in the
school. Will the survey results from
this sample support a valid inference?
Explain.
Using sampling concepts, it is found that the sample would not support a valid inference, as both alphabetized and non-alphabetized students should be sampled.
What is sampling?It is a common statistics practice, when we want to study something from a population, we find a sample of this population, which is a group containing elements of a population. A sample has to be representative of the population, that is, it has to involve all segments of the population.
The school has both alphabetized and non-alphabetized students, and both groups should be sampled for a valid inference to be made. Since only alphabetized students are sampled, the sample would not support a valid inference.
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coles rectangular garden has an area of 54 square feet what could be the dementions of the garden
Answer:
The garden dimension are 9ft and 6ft
Step-by-step explanation:
As promised, Ive attached my work
There also could be the sizes of
3ft by 18ft
2ft by 27ft
1ft by 54ft
Need some help, please explain your Answer! Thanks!
Unit rate
Total built/Total days spent8-1/4÷5-1/233/4÷11/233/4×2/113/21.5miles per dayAnswer:
1½ miles/day .
Step-by-step explanation:
To find:-
The rate at which the construction crew built thr road.Answer:-
It is given that the crew made 8¼ miles of road in 5½ days . To find the rate of work done , simply divide the total length of road nade by total time taken . That would be , ( rate is represented by "r" . )
[tex]:\implies \sf r = 8\dfrac{1}{4}\div 5\dfrac{1}{2} \ miles/day\\[/tex]
Convert the mixed fraction into improper fraction.
[tex]:\implies \sf r = \dfrac{33}{4}\div \dfrac{11}{2} \ miles/day \\[/tex]
For dividing them , multiply the reciprocal of 11/2 by 33/4 as ,
[tex]:\implies \sf r = \dfrac{33}{4}\times \dfrac{2}{11} \ miles/day\\[/tex]
[tex]:\implies \sf r = \dfrac{3}{2} \ miles/day \\[/tex]
[tex]:\implies \sf \pink{ r = 1\dfrac{1}{2}\ miles/day } \\[/tex]
Hence the unit rate of constructing the road is 1½ miles/day .
The measures of the angles of a triangle are shown in the figure below. Solve for x.
(2x+17)°
(2x+5)°
Step-by-step explanation:
or, x°+(2x+17)°(2x+5)°=180°
or, x°+2x°+17°+2x°+5°=180°
or, 5x°+22°=180°
or, 5x°=180°-22°
or, 5x°=158°
or, x°=158/5
or, x°=31.6
now,
(2x+17)°=2*31.6+17=80.2°
(2x+5)°=2*31.6+5=68.2°
Calculate: 5(3*7^15-19*7^14)/7^16+3*7^15
Step-by-step explanation:
=7¹⁵x 15-7¹⁴x 95/7¹⁶+7¹⁵x3
=1425×7²⁹/7¹⁶+7¹⁵×3
What is the slope of the line through the points (-2, -1) and (4, 3)?
Ans: 2/3
Step-by-step explanation:
Formula : [tex]m = \frac{y2 - y1}{x2- x1}[/tex] (Then replace the number in )
= 3- (-1) / 4 - (-2) = 4 / 6 = 2 / 3
Step-by-step explanation:
the slope is always the ratio "y coordinate change / x coordinate change" when going from one point on the line to another.
so, when going from (-2, -1) to (4, 3)
x changes by +6 (from -2 to 4).
y changes by +4 (from -1 to 3).
therefore, the slope is
+4/+6 = 4/6 = 2/3
What is the shortest time it takes it to collect a container of water?
Answer:
45 minutes
Step-by-step explanation:
The minimum of a box-and-whisker plot is the leftmost endpoint, called the "whisker". This minimum is the smallest value collected in the data.
a kiddie pool is 10 feet long and 5 feet wide. surrounding each side of the kiddie pool is a cement walkway of uniform width. The combined area of the pool and the walkway is 104 ftsquared. Find the width of the walkway.
Answer:
1.59 ft.. sort of
Step-by-step explanation:
4th and final attempt:
10 * 5 + 2(10x + 2x) + 2(5x) = 104
50 + 2(12x) + 10x = 104
50 + 24x + 10x = 104
50 + 34x = 104
34x = 104 - 50
34x = 54
x = 54 / 34
x ~= 1.59
The price went down by 15%, and went 340 money. What was the previous price? ASAPP PLSS
The previous price given the percentage decrease is 400.
How to find the previous price?It follows from the task content that the previous price of the commodity is required;
let, x = previous price
New price = 340
Percentage decrease = 15%
Hence, it follows from the given information that;
340 = x - (15% × x)
340 = x - (0.15x)
340 = 0.85x
x = 340/0.85
x = 400
Therefore, the previous price given the percentage decrease is 400.
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your parents are trying to decide what company to invest their money in for your college tuition expenses. They are given the annual profit for the last five years of two companies they are interested in
To make an informed decision about the best place to invest money, there would have to be an evaluation of the best company and their annual profits.
What is a Financial Investment?This refers to the placing of money or asset with the hope and plan that it would appreciate after a certain period of time.
Hence, we can see that because your question is incomplete, a general overview has to be used, and thus, by the use of financial analysis by checking the annual profit over the last five years, the best choice would emerge.
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Two companies offer river tubing trips.
• The first company charges $7.50 rental fee for the tube and $3.00 an hour.
• The second company charges $10.50 rental fee for the tube and $2.00 an hour.
What is the minimum number of hours a person would need to rent a tube in order for
the second company to be a better deal?
Minimum number of hours which a person need to rent a tube in order for the second company to be a better deal is more than 2.5 hours.
What is a mathematical model?A mathematical model is the model which is used to explain any system, the effect of the components by study and estimate the functions of systems.
Two companies (first and second) offers river tubing trips and the rates of them are as follows: The first company charges $7.50 rental fee for one tube, with a charge of $3.00 an hour.
For the x hours, the charge of the company is,
7.50+3.00x
The second company charges $10.50 rental fee for one tube with a charge of $2.00 an hour. For the x hours, the charge of the company is,
10.50+2.00x
Let x is the hour at which the cost of both companies are equal. Thus,
7.50+3.00x=10.50+2.00x
3x-2x=10.5-7.5
x=2.5
Thus, the minimum number of hours which a person need to rent a tube in order for the second company to be a better deal is more than 2.5 hours.
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20 POINTS!!! HELP QUICK
Find the volume of this compound figure.
Hint: Half a sphere and a cylinder
Use 3.14 for pi!
The volume of the given shape will be equal to V=2827.42 cubic inches.
What is volume?The volume is defined as the space occupied by the object in the three-dimensional plane. It requires three coordinates to find the volume of any object.
Here it is given in the question that:-
Radius of the semicircle=12 inches
Height of the cylinder =13 inches.
Now the volume will be calculated as:-
Total volume of the figure will be the sum of the Volume of the semicircle and the Volume of the cylinder.
= 2πr³+πr²l
= 2xπx(6)³+πx(6)²x13
=1357.16+1470.26
=2827.42 Cubic inches
Hence the volume of the given shape will be equal to V=2827.42 cubic inches.
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What is the volume of the rectangular prism?
94.5 yd3
58.0 yd3
25.5 yd3
20.5 yd3
Answer:
94.5yd³
Step-by-step explanation:
volume = length × width × height
length = 7 yd , width = 4.5 yd and height = 3 yd
so volume = 7 × 4.5 × 3 = 94.5yd³
The Phythagorean Theorem is
Answer: False
Step-by-step explanation:
The Pythagorean Theorem is [tex]a^2+b^2=c^2[/tex]
Answer:
false
Step-by-step explanation:
a2 + b2 = c2
what is the domain of f(x)=2log _3(4x−8)
Answer:
{X€ IR : x>2}
Or
[tex]x \in \: )2 \: + \infty ([/tex]
1. Juanita is thinking of two positive whole
numbers. The sum of the whole numbers
is 15. How many possible whole number
combinations are there?
Answer:
i believe its seven combinations
Step-by-step explanation:
i have no idea what its asking and I'm in connection academy b
On a coordinate plane, parallelogram k l m n shown. point k is at (7, 7), point l is at (5, 3), point m is at (1, 1), and point n is at (3, 5). which statement proves that parallelogram klmn is a rhombus? the midpoint of both diagonals is (4, 4). the length of km is startroot 72 endroot and the length of nl is startroot 8 endroot. the slopes of lm and kn are both one-half and nk = ml = startroot 20 endroot. the slope of km is 1 and the slope of nl is –1.
The statement that proves that parallelogram KLMN is a rhombus is. The slope of KM is 1 and the slope of NL is –1.
What is a Rhombus?
This is a type of quadrilateral that has four sides of which they are all equal.
Hence, given that KLMN is a parallelogram, K(7,7), L(5,3), M(1,1) and N(3,5).
We know that they bisect each other and if the diagonals of a parallelogram are perpendicular to each other then the parallelogram is a rhombus.
Therefore, The slope of KM is 1 and the slope of NL is –1.
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Answer: D.
Step-by-step explanation: On Edge!!
Someone can you please help me thank you 12 points
Answer:
The image isn't quite clear
Richard Henry takes out $25,000 of ordinary whole life when he is forty-three years old. A. Annual premium b. Semiannual premium
If Richard Henry takes out $25,000 of ordinary whole life when he is forty-three years old is: A. Annual premium.
What is annual premium?Annual premium can be defined as the premium amount a person pay per year, yearly or annually.
Based on the scenario the whole life is an example of long term insurance.
Reason been that annual premium are often used for long term insurance in which the policy holder is expected to stop paying the premium when he/she reach a certain age that is stated on the policy terms and condition.
Therefore If Richard Henry takes out $25,000 of ordinary whole life when he is forty-three years old is: A. Annual premium.
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Answer:
618.25-annual 309.13-semiannual
Step-by-step explanation:
oddesy
Which graph represents the system of equations?
y = -2x + 1
y =-2x^2+1
Answer:
(0,1) (1,-1)
Second graph on top row is your answer.
Step-by-step explanation:
helppppppppp asa-pppppppppppppppppp-
Answer:
I got the mean of A is 6 and the mean of b is 3.5
Step-by-step explanation:
If correct i dont mind brainlest
A craft store sells 9 cm of ribbon for $0.72 . Write an equivalent rate that shows the cost of 27 cm of ribbon
Answer:
$2.16
Step-by-step explanation:
if the store sells 9 cm for $0.72
they are selling 27 cm now which is 3 times the amount of 9
so if 27 is 3 x the amount of cm than we need to triple to amount of the cost to.
and 0.72 x 3 is 2.16.
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