# square root of (a^2+b^2)=a+b true or false

23,646 results

Somebody check this plz..and thanks.
Please check and tell me what I got wrong and let me know the correct answer for the problem. Thanks. 1. Diarrhea can be caused by a change in diet and different minerals in the water. True (yes) False 2. Fusion produces less radioactivity than fission. True False (yes) 3. ...

Pre-Calculus
Graphing Polynomials Decide whether each of the following is sometimes true, always true, or never true and explain reasoning. A. A cubic function has 2 different x-intercepts ^Never true, has to have 3? B. A cubic function has 3 x-intercepts ^ Always true C. A quartic ...

Algebra
1. What is the mapping of? Domain Range -3 3 -2 -6 -1 0, 15 0 -6 1 -1 I needed to represent these with arrows, but I can't. a. relation b. linear function c. all of these d. none of these Answer- none of these 2. Re-write 2x - 3y < 6 in slope intercept format. Answer- y >...

geometry
Elaine factors the numbers 36 and 48. Then she makes this conjecture. “Any multiple of 6 is also a multiple of 12.” Describe what Elaine should do to test her conjecture. Will she find that her conjecture is true or false? Explain your reasoning.

Math
What is the difference between the number of possible answers on a five question true-false test and a five -question multiple choice test withfour choices per question

Math
What is the difference between the number of possible answers on a five question true-false test and a five -question multiple choice test withfour choices per question

math
What is the difference between the number of possible answers on a five question true-false test and a five -question multiple choice test withfour choices per question

Chemistry
Is this always true, sometime true, or never true? The orbitals of a principal energy level are lower in energy than the orbitals in the next higher principal energy level. -I'm thinking sometime true but I can't figure out how to explain why it sometime true. Thanks

Mathematics
Dear Jiskha, I will appreciate if you can show me step by step how this geometry math question is solved. Using the Pythagorean Theorem,how do i find the length the unknown side 'b'. Side 'a' has a measurement of 1...the hypotenuse: a square root of 2. Your help is appreciated.

calculus
find the function that is finally graphed after the following transformations are applied to y=square root x in the order listed. a. reflected about the x-axis b. shift up 7 units c. shift right 5 units y=? would the answer be: y=sqrt(-x-5)-7

Math
Question. I have some math problems that I really need help with and this is all new to me. The direction are as follows: Combine like terms 7x4 -5x4 the number four is square root. I don't understand at all what to do. Please help.

abnormal psychology
Is this true or false Abnormal psychology examines the concept of “differentness.” The spectrum of “differentness” is narrow in scope when compared to other areas of psychology.

math
Each side of a square is lengthened by 8 inches. The area of this new, larger square is 196 square inches. Find the length of a side of the original square.

math
if the sides of a square are increased by 5 cm the area of the new square is four times the area of the original square. Find the length of a side of the original square.

Bio-Genetics
In watermelons the allele for green color and for short shape are dominant over the alleles for striped color and for long shape. A plant with long striped fruit is crossed with one heterozygous for both characteristics. The results are: green, short: 14 green, long: 96 ...

calculus
determine whether the series converges of diverges the sum from k=2 to infinity of (the square root of (ln(k)))/k I said that because you can't integrate the series (goes to infinity) it diverges

Pre-Cal
log base2 5 square root of 512 use the definition of b^1/n log base2 512^1/5 Not quite sure what to do after this Simplfiy.

math
log [ a^3\/ab / (ab^2) ] --> in words this is, log(a to the power 3 times by the square root of ab divided by (a times b to the power of two) please show the full steps

My friend is in the 7th grade and broke his wrist so he cannot type. Wat is the square root of pi.He said he knows pi=3.14 but he doesn't know how to work it out. He said thanks.

Calculus
Can someone give a detailed solution to this integration problem? âˆ« dx /(3(1 - x^2 ) - (5 + 4x)âˆš(1 - x^2)) this symbol âˆš is square root The answer is ( I need the steps and/or u-substitution used to arrive at this answer ) (2âˆš(1 + x)/(3âˆš(1 + x...

Math - Trig
For the equation 4 cos theta - square root 12 = 0, where 0 < theta < (or equal to) 2 pi, determine the measure of theta. The answers to choose from are: A) pi/ 3, 5 pi/ 3 B) 2 pi/ 3, 4 pi/ 3 C) 5 pi/ 6, 7 pi/ 6 D) pi/ 6, 11 pi/ 6 Please explain and show work, because I ...

MATH
I have to make 4 square dog pens fit into a 169 square meter yard. the yard is square whole numbers If you square the yard it isn't whole numbers. 84.5 One of the pens is 24 square meters Please help me begin.

Geometry
graph each set of lines to form a triangle. find the area and perimeter. y=2, x=5 , and y=x Answer is Area = 4.5 units Perimeter = 6 + square root of 2. I don't know how to graph this. What does y=x mean?

Chemistry
I had to find the root mean square velocity of a gas using the only formula KE=1/2MV^2 . Is this even possible using only this formula?

Chemistry
I had to find the root mean square velocity of a gas using the only formula KE=1/2MV^2 . Is this even possible using only this formula?

Algebra
Create an equation where the left side is a linear function and the right side is a square root function. Make it so that the equation has exactly two solutions.

Chemistry
2HI <==> H2 + I2 Keq = 81.0 A 2.00L container is initially filled with 400 mol HI. Calculate the [HI] at equilibrium. This is what I did so far... HI = 4.00/2 = 2M ___2HI___<==>___H2___I2_ I 2.0M_________----__---- C -2X___________X_____X__ E 2-...

Accounting
1. The price of a bond is equal to the sum of the interest payments and the face amount of the bonds. 1. True 2. False 2. When a corporation issues bonds, it executes a contract with the bondholders, known as a bond debenture. 1. True 2. False 3. A corporation issues \$100,000...

math
A flying disc has a radius of 6 inches. What is the area of one side of the flying disc to the nearest square inch? Use 3.14 as an approximation for pi. A) 113 square inches B)452 square inches C)38 square inches D) 28 square inches

microeconomics
If MP of labor is rising, then AV must be rising too. Is this True or False? do some research, then take a shot. Hint: your text probably has a graph with both marginal and average (cost or production) curves. Is there a level where the M curve is rising while the AV curve is ...

discrete mathematics
problem has to do with three valued logic, ie the values 1, 1/2, 0 interpreted as true, unknown, and false. i need to establish the connectives for the 3 valued logic, construct truth tables for the negation, conjunction, disjunction, the conditional, and biconditional. not ...

math
2. sylvia has 6 1/2 boxes of chocolate to share at a family picnic. if she gives each person 1/3 of a box, how many people can receive chocolate? 13 17 19 21 3.which of these numbers is not rational? square root 3 0.25 1/5 square root 9 4. a student's work to solve 2 6/7 ...

development studies
“Dependency” theorists believe that moving surplus labor from agriculture to industry where that labor will earn profits that can be reinvested for further growth is the key to overall economic growth and development. Is this statement true or false? Explain why.

development economics
“Dependency” theorists believe that moving surplus labor from agriculture to industry where that labor will earn profits that can be reinvested for further growth is the key to overall economic growth and development. Is this statement true or false? Explain why.

I did the math for the previous problem I posted, using this formula: -b+ or - the square root of b^2-4ac/2a. When I did this for -x^2+2x-1, I got 0/-2. I did the math and the x and y intercept came out to be -2 and -2. But when I graphed this on my graphic calculator, the ...

absolute value sign
Hi. for a square root equation with variables such as x or y, when do u need the absolute value sign? Im kinda confused and my teacher didn't go over it. Help please? thanks skye!

math
If the area of a circle is twice the area of a triangle whose base is 4 pi and whose altitude is 4, the radius of the circle equals a. square root 32 b. 2 c. 4 d. 8 e. 32 please answer and explain

math
If the area of a circle is twice the area of a triangle whose base is 4 pi and whose altitude is 4, the radius of the circle equals a. square root 32 b. 2 c. 4 d. 8 e. 32 please answer and explain

Pre-Calc
If tan theta equal - square root of 22 divided by 11 and pie/2 is less than theta and theta is less than pies, what is the cos of theta in simplified rationalized form

Math
Engineers and physicists are fond of using the approximation Square root (1+x) = 1+(x/2)? What approximation do you suppose the engineers and physicists would use for the quantity (1+x)^(3/2)

How do you figure out simplest radical form with variables and/or exponents and/or numbers outside the square root

Math
Find the quotient of the following expression: 7(cos 5pi/6 +isin 5pi/6) / -2(cos pi/2 +isin pi/2) I got -7/4+ 7 square root 3/4 i. Is this correct?

PHYSICS
The weight of fully saturated soil in a prism having a 4.00 sq. ft. base (or a base of 4.00 ft*ft) is 4,000 lbs. Pore pressure at the base is 499 lbs/(ft*ft). True or False: The effective stress at the base is 501 lbs/(ft*ft).

math
Form a disjunction from the following two statements and determine if the disjunction is true or false. Two is an even number. Two is a prime number.

American History
1. Realpolitik was a campaign to bring honesty back to the political culture of the United States after the Vietnam War. ---------------------my answer: True? Realpolitik is political realism or practical politics, esp. policy based on power rather than on ideals. 2. American ...

Math
The square root of 1 less than twice a number is equal to 2 less than the number.Find the number.

Science help (just 4 questions)
1. Which of the following is an example of an environmental pressure? (1 point) the air pressure in the atmosphere a lake that is gradually running out of water a fight between two members of the same species breeding between two members of the same species 2. Which of the ...

math
Which statement is not true? A. Every parallelogram is a rectangle. B. Every square is a rhombus. C. Every square is a parallelogram. D. Every rhombus is a parallelogram.

calculus
Consider line segments which are tangent to a point on the right half (x>0) of the curve y = x^2 + 1 and connect the tangent point to the x-axis. If the tangent point is close to the y-axis, the line segment is long. If the tangent point is far from the y-axis, the line ...

Maths
How do I work out the square root of a number? it's simple. - you can use your calculator or use perfect squares to solve one. perfect squares: 4 9 16 25 36 49 etc. Need anything else just ask.

math
someone told me how to use the computer keys to make the square root sign and I lost the info, could someone tell me again? alt 251 alt 251

Trigonometry
these values right? tan theta=2/3 sec theta=Squareroot(13)/3 sine=2xSquareroot(13)/13 Cos=3xSquareroot(13)/13 Tan=2/3 Cosecant=Square root (13)/2 Secant=Squareroot(3)/3 Cotangent=3/2

Maths Calculus Derivative Integral - Urgent Please
Use 2nd Fundamental Theorem of Calculus to find derivative of f(x) = integral of 2x^2 (at the top) to x-5 (at the bottom) of square root of Sin(x)dx

math i need help miss sue please check
What is the prime number in this fraction 5/6? Please answer that then have another response to that one. What is the square root of 69? Answer that one then simplify this 20/65.

physics
Consider the expression 2π times square root of ℓ/g, where ℓ is length and g is gravitational acceleration in units of length divided by time squared.Evaluate its units.

math
the area of an equilateral triangle is given by the expression s^2 x square root of 3/4, where s is the side length of the triangle. what is the area of the triangle? round to the nearest tenth the triangle is 5 cm on all three sides.

physics
1)A convex lens is used to obtain an enlarged virtual image. false. 2)The lens of the eye has a fixed focal length. false.

Probability
Suppose the prevalence of people with certain cancer in a give year is 0.015. In addition suppose that the diagnostic test for this cancer is know to have a false positive rate of 0.05 and a false negative rate of 0.10 . Suppose a person is aware of the false positive and ...

sociology
All deviance is a crime but not all crime is deviance. Question 6 answers a)True b)False

Calc Repost
Express the function in the form f o g. G(x)= The cube root of (x/1+x) So, (f 0 g)(x)= f(g(x))= f(cube root of x/1+x)= I don't know how to finish the problem because it does not give you the information for F(x)???

Calculus
If r is positive and increasing, for what value of r is the rate of the increase of r^3 twelve times that of r? A. Cubed root 4 B. 2 C. Cubed root 12 D. 2 sqrt 3 E. 6

Geometry
mx^2+12x+9m=0. for what values of m will the equation have one repeated root? I can't remember how to calculate double root values

alg E BRA- INEQUALITIES
Which numbers are solutions of each inequality? 1) X < 1: -2 , 1, 2 I WROTE: -2<1 TRUE 2) X > -5 : -7, -5 , -1 I WROTE: -1 > -5 TRUE i have more problems but i don't know how to type to you the ones that have symbol of < with line under to show: less than or ...

work
Use two commas around “extra information” in a sentence to show that it is not important to the meaning of that sentence if taken out. For example: “The hardware store down the street, which had been paved recently, is open until midnight five days a week.true or false

english
Use two commas around “extra information” in a sentence to show that it is not important to the meaning of that sentence if taken out. For example: “The hardware store down the street, which had been paved recently, is open until midnight five days a week.” True or false

3rd math
Square each of these numbers. There's a square, on top is the number 5 and on the left side 5. Inside the square is a line?

pre calc
A square is drawn inside a square. Find the area of the square as a function of the radius of the circle.

Math
how would I solve 3 square of 6 times square of 6? Sorry, I don't know how to make radicals. Square of means radical

MATH
in the square, A represents the area of the square. Find the value of a such that A is equal to two times the square.

Pre-Calc/Trig...
Am i correct? The graph of y=3x^2-4x+2 opens downwards. FALSE The graph of y=2x^2-4x+2 has a y-intercept of (0,1). FALSE

Grammar and Composition
ok, writeacher helped me on all of these but i still don't get this one: despise find the prefix, root, and the suffix de-prefix what is the root?

Math 117
Use rational exponent to write 4 cube root x multiply by 6 cube root 6x as a single radical expresion.

Math 117
Use rational exponent to write 4 cube root x multiply by 6 cube root 6x as a single radical expresion.

maths
Consider the polynomial f(x)=17x4+21x3+60x2+Ax+B. Suppose that for every root λ of f(x)=0, 1λ is also a root of f(x)=0. What is the value of A+B?

maths
Consider the polynomial f(x)=17x4+21x3+60x2+Ax+B. Suppose that for every root λ of f(x)=0, 1/λ is also a root of f(x)=0. What is the value of A+B?

estimate cube root of 25 by linear approximation f(x+delta(x))= f(x) + (df(x)/x) * deltax 3 + 1/3x^(-2/3) * -2 3 - 2/3x^(-2/3) 3 - (2/3* ((cube root(9))) is this right? thanks

Calculus-Limits
i have no clue how to start it. rationalizing it seems to tedious. how do i do this thanks evaluate the limit as h -> 0 ((fourth root(3 + h) - 2(3+h) - fourth root(3) + 6))/h

Bionomial expansion help agn #thanks
find the third term of the binomial expansion (root(x)+1/root(y)^6 plz help i do not no it at all show working!!

algebra
I am trying to rationalize a denominator and it is a squre root, like this : squre root of x+1 , i don't know what to do ,cause it isn't just a number it is the whole expression. plz help

English
I have to find the root and the affix for venerate. Would the root be the Latin word and the affix ven-?

Calculus
Express the function in the form f o g. G(x)= The cube root of (x/1+x) So, (f 0 g)(x)= f(g(x))= f(cube root of x/1+x)= I don't know how to finish the problem because it does not give you the information for F(x)???

trig
How do I prove : 4sinAcosAcos2Asin15 all over. :sin2A(tan225-2sinsquared A)is equal to. :root 6 - root 2 over 2

Math
Simplify: 5th roof of (6th root of 10 * sqaure root of 1000) or: (10^1/6 * 1000^1/2)^1/5 (^ another way of writing it)

Root Words
Which of the following root words means “more than one”? A. Junct- B. Ambi- C. Ject- D. Terr- B?

geometry
okay, if I have a square, and know the square footage-how can I find the middle of that square? I can't figure this out for the life of me.

Math
If a certain square measures 2.5 feet on one side what is the area of the square and square inches

Math
The area if a square is 67 square meters. Estimate the length of each side of the square to the nearest tenth.

The original equation was 1.7e-3 = (0.0015 -x)^2 / (0.025 +1/2x)(0.025 + 1/2x) Square root of both sides is 0.0412 = (0.0015-x) / (0.025 + 1/2x) Solve for x and when I put in -0.001 or 1.0e-3 it says that it is incorrect, I don't know why??

Algebra 2
Can someone please check these answers for me?? I'm pretty sure most of them are right, except for maybe the second T/F question... 1) T or F. The domain of y=ln x is equal to the range of y=e (superscript x). True 2) T or F. ln(3x x y to the 3rd power) = (ln x 3) x (ln x) x (...

SPANISH
TRUE OR FALSE In Spanish-language soap operas, affection between family and friends is never expressed. this is what i found in my book: "En las telenovelas en español también se expresa muy abiertamente el cariño (affection) entre parientes y amigos..." i don't understand ...

MATH
A rectangular flower is 20 inches long,8 inches wide ,and 6 inches high . True of false. If andy fills the flower pot 2/3 full of soil, the expression 2/3(20 + 8 + 6) could be used to find the about of soil he needed.

Math
Mark found out that his profit varies as the product of the amount spent for production and the square root of the amount spent for advertising. If his total available budget for these expenses is P1.5 million, how should he allocate his funds to maximize his profits

Linear Algebra
Let L be the line with parametric equations x = 1−2t y = 3+3t z = −1−3t Find the shortest distance d from the point P0=(1, −4, −2) to L, and the point Q on L that is closest to P0. Use the square root symbol '√' where needed to give an exact value for your answer. ...

Math
The sides of a square are all increased by 3 cm. The area of the new square s 64 cm^2. How can you find the length of a side of the original square?

pre calc need help
A square is drawn inside a square. Find the area of the square as a function of the radius of the circle

Geometry
A small circular pool is enclosed in a square. Find the area inside the square, but outside the circle. The Square is 4.3m x 4.3 m

math
the area of a square is 8 square meters . what is the length of one side of the square? round to the nearest tenth if necessary.

Math
A square floor had 100 tiles each tile is 1 square foot what is the length of one side of this square

Math
One side of a square is 10 inches long. How many 1 square inch tiles are needed to cover the area of the square?

Statistics
Answer “True” if the statement is always true. If the statement is not always true, replace the underlined words with words that make the statement always true. Alpha is the measure of the area under the curve of the standard score that lies in the rejection region for Ho.

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