Answer:
square root of 16 is 4
square root of 8 is 2, but for an answer it would be 1
4^2 is 16
1^2 is 2
number 5 would be 64
number 6 would be 12
Step-by-step explanation:
Square root of 16 is 4, square root of 8 is 2, but for an answer it would be , 4² is 16, 1² is 2, number 5 would be 64 and number 6 would be 12.
What is mathematical values?A mathematical value can generally be any specific mathematical object. This is most frequently a number in elementary mathematics, such as a real number like or an integer like 42. Every integer or even other mathematical object set to a variable or constant is that object's value.
A mathematical expression's value is the outcome of a computation it describes when its variables and constants are given values. The amount that the function assumes for these argument numbers is the result of a function, assuming the value(s) provided to its argument(s). Square root of 16 is 4, square root of 8 is 2, but for an answer it would be , 4² is 16, 1² is 2, number 5 would be 64 and number 6 would be 12.
Therefore, Square root of 16 is 4, square root of 8 is 2, but for an answer it would be , 4² is 16, 1² is 2, number 5 would be 64 and number 6 would be 12.
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Can y’all help me if u don’t know don’t answer it
Latoya buys candy that costs $6 per pound. She will spend more than $54 on candy. What are the possible numbers of pounds she will buy?
Answer:
11 pounds
Step-by-step explanation:
If 2 people have $720 between them and one has $106 more than the other. How much do they each have?
Answer:
$720 divided by 2 = $360
$360-106=$254
$360+106=$466
$254+$466=$720
Person 1 has $254
Person 2 has $466
Place the following events in sequence:
A) Your body begins overheating;
B) Nerves and hormones communicate with the hypothalamus;
C) You begin sweating
Answer:
acb
Step-by-step explanation:
Place the following events in sequence:
Your body begins overheating;You begin sweatingNerves and hormones communicate with the hypothalamus;.What is Nerve cells?Nerve cells, also known as neurons, are "excitable" cells that can convert different stimuli into electrical signals by sending continuous sequences of information about the internal and external environment to the central nervous system (CNS).
These are found all over the body but are particularly concentrated in the brain and spinal cord. The nervous system is built on nerves as well as the brain and spinal cord.
The nervous system sends information from the brain and spinal cord to the rest of your body, so if part of this system is damaged, these signals can't be transmitted effectively which leads to balance problems and falls.
Thus, the following events in sequence:
Your body begins overheating;You begin sweatingNerves and hormones communicate with the hypothalamus;.Learn more about Nerve cells, here:
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Suppose that LM = 36. Use the Triangle Proportionality Theorem to find PM. Round to the nearest tenth
Answer: 14.4units I think
please help
-i have no clue what this is
options:
A. point in quadrant 1
B. infinite set of points on the line
C. point in quadrant 2
9514 1404 393
Answer:
B. infinite set of points on the line
Step-by-step explanation:
The lines are identical, so the set of points they have in common is an ...
infinite set of points on the line
The hypotenuse of a right triangle will be a diameter of the triangle. True or false?
2(x + 1),
x = 5
Substitute
Answer:
12
Step-by-step explanation:
2(5+1) =
2(6) =
12
A room is 15 feet tall. An architect wants to include a window that is 6 feet tall. The distance between the floor and the bottom of the window is b feet. The distance between the ceiling and the top of the window is a feet.
This relationship can be described by the equation
a
=
15
−
(
b
+
6
)
a=15−(b+6).
The customer wants the window to have 5 feet of space above it. Is the customer describing a or b? What is the value of the other variable?
Answer:
2.5 feeeeeeeeeeeeeeeeeeeet i think
Slove for the value of a
Answer:
a = 11
Step-by-step explanation:
9a + 6 + 75 = 180
9a + 81 = 180
9a = 99
a = 11
The current altitude of the plane is 15400 feet above the ground and the plane's horizontal distance to the airport is 200000 miles away. What angle of depression must the pilot make on his descent in order to safely land on the runway>
Answer:
0.441°
Step-by-step explanation:
tan = 1540/200000
tan = 0.0077
tan-1(0.0077) = 0.441
angle of depression is 0.0441°
Can I have help please I am stuck on this question it would mean the world if u helped me have a nice day! =) <3
Answer:
F
Step-by-step explanation:
1m = 100cm
0.8m = 100*0.8 = 80cm
3. What are a few ways that Alana can get a better understanding of her spending patterns?
Answer:
Step-by-step explanation:
Which constant number would you add to both sides of the equation in order to complete the square for the quadratic function 1 = x2 - 6x?
Answer:
9Step-by-step explanation:
Identity of the square of a sum:
(a + b)² = a² + 2ab + b²Applied to given equation:
1 = x² - 6x1 = x² - 2*x*31 + 3² = x² - 2*x*3 + 3²1 + 9 = (x - 3)²The added constant is 9
Answer:
Solution given:
equation is:
1=x²-6x
x²-6x-1=0
comparing above equation with ax²+bx+c=0
we get
a=1
b=-6
c=-1
now
constant no.[tex] {(\frac{b}{2})}^{2}= {(\frac{-6}{2})}^{2}=\frac{36}{4}=9[/tex]
constant required no is 9.
Simplify ((7+sin^2 theta+cos^2 theta)/(4sin^2 theta + 4cos^2 theta))
Answer:
2
Step-by-step explanation:
[tex]\frac{7+sin^{2}\theta+cos^{2}\theta}{4sin^{2}\theta+4cos^{2}\theta}} = \frac{7+(sin^{2}\theta+cos^{2}\theta)}{4(sin^{2}\theta+cos^{2}\theta)}} =\frac{7+(1)}{4(1)}}=\frac{8}{4} =2[/tex]
[tex](sin^{2}\theta +cos^{2}\theta=1)\\[/tex]
Solve the exponential equation
2^x+10 = 18
VERY URGENT PLS LOOK AT PICTURE
Answer:
Number of year = 25 year and 7 month (Approx.)
Step-by-step explanation:
Given:
Amount deposit = $200,000
Future amount = $1,000,000
Rate of interest = 6.5%
Find:
Number of year
Computation:
Using compound amount formula;
A = P[1+r]ⁿ
1,000,000 = 200,000[1+6.5%]ⁿ
1,000,000 / 200,000 = [1+6.5%]ⁿ
5 = [1+0.065]ⁿ
n = 25.557
Number of year = 25.557
Number of year = 25 year and 7 month (Approx.)
Does anybody know the answer please.
Answer:
The sign of each y-coordinate changed.
Step-by-step explanation:
This was a reflection over the x-axis.
If you look at point F, it is (-5, -1) the corresponding point F' is (-5,1). Notice the numerical values of x and y are the same, but the sign of y flipped from negative to positive. The other four points all follow the same pattern.
While shopping in Georgetown, Ruben bought a wooden bench that was marked down 80% from an original price of $66.72. If the sales tax in Georgetown is 5%, what was the total cost of the wooden bench?
Answer:
14.01
Step-by-step explanation:
Answer:
$14.01
Step-by-step explanation:
A study has been done to test the effect of rock music on auditory attention. Eighteen eighth-grade students are randomly divided into two groups of 9 students, and the same hearing test was given to these students. The first group of students listened to rock music for 25 minutes right before taking the test, and the other group of students took the test without listening to the music. Here are their scores.
Group with music: 78 85 87 93 97 80 94 88 86
Group without music: 64 66 77 84 63 72 85 79 80
Assume normal populations with equal variance and construct a 95% confidence interval for the mean difference.
Find the lower bound of the confidence interval (round off to the nearest integer).
Answer:
The Lower bound of the confidence interval to the nearest integer = 6
Step-by-step explanation:
Calculate the Lower bound of the confidence interval
First step : Calculate the mean and standard deviation for each groups
Group 1 ( group with music )
N = 9
Total ( ∑x ) = 788
mean = 788 / 9 = 87.55
Variance ( s^2 ) = 39.777
s = [tex]\sqrt{39.77}[/tex] = 6.31
Group 2 ( group without music )
N = 9
∑x = 670
mean = 670 / 9 = 74.44
variance ( s^2 ) = 72.27
s = [tex]\sqrt{72.27}[/tex] = 8.50
Next : Calculate the pooled variance , standard error and confidence interval
Pooled variance ( Sp^2 ) : 896.43 / 16 = 56.03
standard error : S ( M1 - M2 ) = √((56.03 / 9) + (56.03 / 9)) = 3.53
confidence interval : μ1 - μ2 = ( M1 - M2 ) ± Ts ( M1 - M2 )
= 13.1111 ± (2.12 * 3.53 )
= ( 5.630 , 20.591 )
The Lower bound of the confidence interval to the nearest integer = 6
Solve the inequality
J+7>3j-4
Answer:
E. j<5.5
Step-by-step explanation:
Step by step explanation
Aaliyah invested $350 in an account paying an interest rate of 4% compounded continuously. Assuming no deposits or withdrawals are made, how much money, to the nearest dollar, would be in the account after 20 years?
SsxcAnswer:
Step-by-step explanation:
Of number 4, 6, 8, determine which number is a solution of the inequality 5 + c < 10
Answer:
4
Step-by-step explanation:
5+4=9
c=9
9<10
help needed!! Mark as brainliest
Given:
The equation is:
[tex]2\sum_{n=3}^7n^2=\sum_{n=3}^72n^2[/tex]
To find:
Whether the equation is true or not.
Solution:
We have,
[tex]2\sum_{n=3}^7n^2=\sum_{n=3}^72n^2[/tex]
Taking LHS, we get
[tex]LHS=2\sum_{n=3}^7n^2[/tex]
[tex]LHS=2[(3)^2+(4)^2+(5)^2+(6)^2+(7)^2][/tex]
[tex]LHS=2[9+16+25+36+49][/tex]
[tex]LHS=2[135][/tex]
[tex]LHS=270[/tex]
Taking RHS, we get
[tex]RHS=\sum_{n=3}^72n^2[/tex]
[tex]RHS=2(3)^2+2(4)^2+2(5)^2+2(6)^2+2(7)^2[/tex]
[tex]RHS=2(9)+2(16)+2(25)+2(36)+2(49)[/tex]
[tex]RHS=18+32+50+72+98[/tex]
[tex]RHS=270[/tex]
Here, [tex]LHS=RHS[/tex].
Therefore, the given equation is true.
If g=8 what is a value of the expression 9 2+3?
Answer: 8*2+3 = 16+3 = 19
2) A college student saves $6000 working over the summer. Then spends $540
a month when he goes back to college. Write a linear function using
meaningful variables to model this situation. Find and interpret the slope
and y-intercept.
Let m = months and D = Dollars in bank
a) D =
b) What does the slope represent in this situation?
c) What does the y-intercept represent in this situation?
3) An exponential function has a starting value of 13 and a growth rate of
0.78%. Write an equation to model the situation.
Y =
Answer:
Answer: 90% of people marry there 7th grade love. since u have read this, u will be told good news tonight. if u don't pass this on nine comments your worst week starts now this isn't fake. apparently if u copy and paste this on ten comments in the next ten minutes you will have the best day of your life tomorrow. you will either get kissed or asked out in the next 53 minutes someone will say i love you.
Step-by-step explanation:
Translate the sentence into an equation
Five less than the product of 2 and a number is equal to 7.
Answer:
2x - 5 = 7
Step-by-step explanation:
A cable is 60 meters long. How long is the cable in decimeters?
Be sure to include the correct unit in your answer.
Answer:
600 decimeters
Step-by-step explanation:
multiply the meter length by 10
60x10=600
30 points!
Which expression is equivalent to 32^3 sqaure root of 18y divided by 8^3 sqaure root 3y, if y is not equal to 0?
A)12^3 sqaure foot of 2y^2
B)4^3 sqaure root of 6
C)4^3 sqaure root of 15y
D)4^3 sqaure root of 6y
Answer:
B
Step-by-step explanation:
Simplify the radical by breaking the radicand up into a product of known factors
The correct answer is [tex]4\sqrt[3]{6}[/tex] which is option B.
What is radical?
The symbol [tex]\sqrt[n]{x}[/tex] indicates a root which is called as radical and it is read as x radical n or nth root of x.
How to simply the radical in the given expression?Factor the terms of numerator of the given expression.
[tex]\frac{4\cdot8\sqrt[3]{3\cdot6y} }{8\sqrt[3]{3y} }[/tex]
On dividing the common factors we get,
[tex]4\sqrt[3]{6}[/tex]
Therefore, the simplified expression for the given expression is [tex]4\sqrt[3]{6}[/tex] which is option B.
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A certain test preparation course is designed to help students improve their scores on the USMLE exam. A mock exam is given at the beginning and end of the course to determine the effectiveness of the course. The following measurements are the net change in 5 students' scores on the exam after completing the course: 14,11,18,9,19 Using these data, construct a 99% confidence interval for the average net change in a student's score after completing the course. Assume the population is approximately normal. Step 3 of 4: Find the critical value that should be used in constructing the confidence interval. Round your answer to three decimal places.
Answer:
The critical value is [tex]T = 4.604[/tex].
The 99% confidence interval for the average net change in a student's score after completing the course is (6.236, 22.164).
Step-by-step explanation:
The first step to solve this question is finding the sample mean and sample standard deviation:
14,11,18,9,19
Sample mean is sum of all values divided by the number of values. Thus:
[tex]\overline{x} = \frac{14+11+18+9+19}{5} = 14.2[/tex]
The sample standard deviation is the square root of the division of the sum of the subtractions squared of each value and the mean, and the number of values. Thus:
[tex]s = \sqrt{\frac{(14-14.2)^2+(11-14.2)^2+(18-14.2)^2+(9-14.2)^2+(19-14.2)^2}{5}} = 3.868[/tex]
Confidence interval:
We have the standard deviation for the sample, and so we use the t-distribution to build the confidence interval.
The first step to solve this problem is finding how many degrees of freedom, we have. This is the sample size subtracted by 1. So
df = 5 - 1 = 4
99% confidence interval
Now, we have to find a value of T, which is found looking at the t table, with 4 degrees of freedom(y-axis) and a confidence level of [tex]1 - \frac{1 - 0.99}{2} = 0.995[/tex]. So we have T = 4.604.
The critical value is [tex]T = 4.604[/tex].
The margin of error is:
[tex]M = T\frac{s}{\sqrt{n}} = 4.604\frac{3.868}{\sqrt{5}} = 7.964[/tex]
In which s is the standard deviation of the sample and n is the size of the sample.
The lower end of the interval is the sample mean subtracted by M. So it is 14.2 - 7.964 = 6.236.
The upper end of the interval is the sample mean added to M. So it is 14.2 + 7.964 = 22.164.
The 99% confidence interval for the average net change in a student's score after completing the course is (6.236, 22.164).
