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Helen

Questions (417)

Did Henrietta Batson sell fiction ??
1. 1 answer
2. 36 views
There was a terrible storm in your town during which many houses were destroyed.your family house was among those affected.write
1. 3 answers
2. 73 views
A spiral spring extends from a length of 10.00cm to 10.01cm when a force of 20N is applied on it .calculate the force constant
1. 1 answer
2. 100 views
A 10g mass placed on the pan of a spring balance causes an extension of 5cm.if a 15g mass is placed on the pan of the same
1. 1 answer
2. 55 views
The extension in a spring when 5g wt was hung from it was 0.56cm.if Hooke’s law is obeyed,what is the extension caused by a
1. 1 answer
2. 62 views
If a force of 50N stretches a wire from 20m to 20.01m,what is the amount of force required to stretch the same material from 20m
1. 1 answer
2. 72 views
A force of 18N extends a wire by 0.4cm.what force will extend the wire by 1.25cm,if the elastic limit is not exceed
1. 1 answer
2. 84 views
A spiral spring extends by 5m under a load of 60N when the load is replaced by a steel block,the new extension is 7cm,the weight
1. 1 answer
2. 117 views
What is obtained when water is driven out from a hydrate
1. 1 answer
2. 51 views
What is salt?give four examples
1. 1 answer
2. 44 views
Give different examples of salts that possess the water of crystallization
1. 1 answer
2. 52 views
Mention type of salts
1. 1 answer
2. 53 views
Mention five types of salts
1. 1 answer
2. 67 views
Mention types of salts
1. 1 answer
2. 74 views
List three deliquescent and hygroscopic substance each
1. 1 answer
2. 60 views
State the basicity of the following acids:HNO3,H2 SO4 and CH3 COOH
1. 1 answer
2. 63 views
In response to the public demand of its citizen, following the defeat at adwa government of italy was forced toA B C D
1. 2 answers
2. 203 views
What is the total spin of the p-electrons of Floride
1. 1 answer
2. 101 views
The sum of 16th term of an Ap is 240 and the next 4 terms is 220. Find the first term, common difference.
1. 4 answers
2. 348 views
How can I find the 6th and 15th term of Ap
1. 1 answer
2. 131 views
Find N if N divided by ½= 13.5
1. 1 answer
2. 143 views
Mrs. Olu spent N2 on Tuesday N1 on Friday and NN on Saturday on Garri how many cups of gari did she buy on Tuesday and friday?Wh
1. 3 answers
2. 214 views
A satellite is in a 91.5 min period circular orbit 350km above earth’s surface. Find the satellites speed
1. 0 answers
2. 308 views
Explain the role of theEuropea countries that participated in this trade.
1. 1 answer
2. 215 views
A 6.5-ounce can of tuna for $1.39 or a 3-ounce can of tuna for 0.65. The 3-ounce can of tuna costs _______ per ounce
1. 2 answers
2. 314 views
Suppose you are the manager of a watch-making firm operating in a competitive market. Your cost of production is given by C =
1. 3 answers
2. 579 views
Does the following line intersect the curve y = √x ? If yes, then at how manypoints? y =10
1. 1 answer
2. 555 views
Take a factor out of the square root:√27c^6, where c <0
1. 1 answer
2. 724 views
Write a formula that shows the dependence of:the length of the side (a) of a cube on the surface area (S) of the cube
1. 1 answer
2. 1,041 views
The area of a circle can be calculated by the formula S=π ·r^2, where r is theradius of the circle, or by the formula S=π
1. 1 answer
2. 917 views
How has globalization influenced american culture
1. 0 answers
2. 242 views
Write the equation of the parabola that has vertex (2.5, 2.75) and passesthrough the point (1, 5).
1. 1 answer
2. 926 views
Find the least common multiple of(2a −1)^2, 1−4a^2, and 8a^3 −12a^2 +6a −1
1. 2 answers
2. 870 views
Given: 2<a <5, 3<b <7.Find: a −b and a/b
1. 1 answer
2. 164 views
For each of the following equations.Find the coordinates of the vertex of the curve it describes. Find the x− intercepts. Find
1. 2 answers
2. 822 views
Three people share 40 crackers evenly how many crackers does each person gets
1. 2 answers
2. 538 views
simplify the expression with the restriction5p/2q-p+10q/p-2q
1. 1 answer
2. 633 views
For the expression 4y/3x^2+2xy − 9x/3xy +2y^2Find the domain.
1. 1 answer
2. 1,416 views
For the expressionb^2 −4by/2y^2 −by − 4y/b −2y Find the domain.
1. 4 answers
2. 701 views
If a brother and a sisters age is 4:3 and if the brother is 12 years old how old will the sister be?
1. 1 answer
2. 350 views
Write the expression 2a +b in the form of a fraction with the givendenominator. Check if the domain of the expression changed.
1. 1 answer
2. 530 views
Reduce the fraction with a conditiony^2-16/3y+12
1. 2 answers
2. 318 views
if an angle measuring 48° is translated 3 units right Downton units and reflected over the y-axis and rotated 180 degrees what
1. 2 answers
2. 325 views
Factor the following trinomials. (Hint: Solve the equations first.)x ²−2x −2
1. 1 answer
2. 629 views
If you divide one of the roots of the equation 4x^2 +bx −27=0 by the other root, the quotient will be −3. Find b.
1. 1 answer
2. 961 views
For what natural values of n:is the sum (−27.1+3n)+(7.1+5n) negative?
1. 1 answer
2. 1,759 views
If an angle measuring 30 degrees is translated 8 units left and 4 units up, what does the angle measure after the translation?
1. 3 answers
2. 473 views
If an angle measuring 72 degrees is translated 5 units right and 3 units down, what does the angle measure after the
1. 2 answers
2. 480 views
In isosceles △ABC with a baseAB , the perpendicular bisector to AC , intersects the other leg BC at point M. If m∠B=68°,
1. 1 answer
2. 885 views
There are two ways of scoring points in a ball game: a ‘major’ scores 5 points and a ‘minor’scores 3 points. In a match
1. 2 answers
2. 2,462 views
A laboratory technician has made up a stock mixture of two chemicals, X and Y, ready for useby all of the groups in Year 9 at a
1. 1 answer
2. 1,121 views
Which of the following expressions is positive for any value of a:a^2+4, (a+8)^2, 5a^2+2, a+13, (a−4)^2+4, (a+1)^2−1
1. 1 answer
2. 282 views
There is an automatic photograph booth in my local shopping centre. It takes exactly 2 minutesfrom the time that the money is
1. 1 answer
2. 1,821 views
The diagram below shows the method of construction of a book with four folded sheets in eachblock, and three blocks in total.
1. 1 answer
2. 2,350 views
3. Someone who has betrayed his or her country might be convicted of...A. a crime called treason. F. showing loyalty to the
1. 2 answers
2. 617 views
Given Quadrilateral DEFG with D(2, - 3), E(5, 1), F(1, 3), and G(- 6, 2) what are the new coordinates after a translation of (x
1. 1 answer
2. 646 views
Given Triangle RST with R(- 7, - 3), S(- 5, - 6), and T(- 1, - 4) what are the new coordinates after a translation right 3 and
1. 2 answers
2. 316 views
What is the image point of (0,8) after a translation right 3 units and down 5 units? Thank you!
1. 3 answers
2. 1,234 views
What is the image point of (0,8)(0,8) after a translation right 3 units and down 5 units?
1. 3 answers
2. 2,825 views
Write as a product:25a^2−0.01b^10
1. 1 answer
2. 690 views
Multiply the following:5>2 and 4>3
1. 1 answer
2. 313 views
What's a function that has a vertical asymptote at x= -8 and x= 3 and a hole at (5,1/26)?
1. 1 answer
2. 989 views
f(x)=(2x^2+5x-12)/(x^2-3x-28)Is this function continuous at x=7? If not which condition does it fail?
1. 1 answer
2. 510 views
You are working on the layout of ayearbook. The page is 9 inches wide, has 1 }2 inch margins, and has three columns of equal
1. 0 answers
2. 302 views
Using a number line, find both the intersection and the union of the following interval:(− ∞ , 7) and [−5, +∞)
1. 2 answers
2. 876 views
For what values of y does the binomial 3y−5 belong to the interval (−1; 1)?
1. 4 answers
2. 1,260 views
Hematite,Fe2O3 is heated in furnace with carbon monoxide,CO qnd the products obtaines ,iron, Fe and Carbon dioxide ,CO21
1. 1 answer
2. 1,122 views
It is known that a<b. Instead of the symbol * insert the symbol < or >, so that the inequality will be true:−2.7a*−12.7b
1. 1 answer
2. 303 views
It is known that 1.4< square root 2 <1.5. Find all possible values of the expression:square root 2 +1
1. 2 answers
2. 665 views
In △ABC, m∠ACB=90°, m∠ACD=60°,CD is the altitude to AB , and BD = 5 cm. Find AD. (A) 6cm (B) 15cm (C) 20cm (D) 25cm
1. 2 answers
2. 4,459 views
Please check my answer thanks.True or False The purpose of HIPAA is to protect and enhance the privacy of the patient. My answer
1. 1 answer
2. 370 views
Please check my answer thanks.If you provide home healthcare you are most likely to provide A. analyses of blood work B.
1. 1 answer
2. 335 views
How many miles of vapor are formed when 10 liters of butane gas, C4H10 is burned in oxygen at STP?
1. 3 answers
2. 643 views
Given: ABCD is a rectangle, AC∩BD= O, m∠ABD=30°, AC=16 in. Find BC
1. 1 answer
2. 906 views
Solve: please include statement and reasonGiven: ΔАВС, m∠ACB = 90° CD ⊥ AB, m∠ACD = 30° AD = 6 cm. Find: BD
1. 2 answers
2. 592 views
Represent the following expressions as a power of the number a (a≠0):(a^2a^4)÷a^−3/a÷(a^2a^3)^4
1. 1 answer
2. 757 views
If a is equal to the sum of band c, what is the difference of band c?The difference of b and c is equal to ... in terms of b and
1. 1 answer
2. 592 views
Use the given D to find the range of each function:f(x)=x−4, D={−2, −1, 3}
1. 1 answer
2. 431 views
Represent the following expressions as a power of the number a (a≠0):((a^2)^−2)^5÷(a^4·a)^3
1. 1 answer
2. 1,086 views
In high-school 135 freshmen were interviewed.Thirty five of them took PE, 42 took BIO, 60 took ENG, 10 took PE and BIO, 15 took
1. 9 answers
2. 2,761 views
How many 4-digit numbers are neither multiples of 2 nor multiples of 5?
1. 2 answers
2. 3,805 views
If set M consists of all integer numbers x such that 3<x<7, and set N consists of all integer numbers x such that 6≤x≤9,
1. 2 answers
2. 1,860 views
How many 4-digit multiples of 7 are there?
1. 3 answers
2. 4,582 views
For which value of n the following equalities are true: (2^2)^n = 16
1. 1 answer
2. 506 views
How many 2-digit numbers are multiples of 2 but not 4?
1. 6 answers
2. 2,483 views
Given: ΔABC, m∠1=m∠2, D∈AC, BD = DC m∠BDC = 100º Find: m∠A m∠B, m∠C
1. 2 answers
2. 1,371 views
It takes a boat going upstream 3 hours to cover the same distance, as it would cover in 2 hours going downstream. What is the
1. 5 answers
2. 6,460 views
Suppose we have a bag with $10$ slips of paper in it. Eight slips have a $3$ on them and the other two have a $9$ on them.How
1. 6 answers
2. 4,064 views
A store sells packages of 48 Snickers bars for $28 per package, and packages of 36 KitKat bars for $22.50 per package. Mrs.
1. 7 answers
2. 3,328 views
Solve for x:a(x−b)+bx+c=a, if a≠−b, if a ≠ − b
1. 1 answer
2. 1,294 views
Students perform an experiment using a circuit that contains the two parallel plate capacitors C1=10μF and C2=40μF. Come up
1. 2 answers
2. 2,728 views
Given that x and y are positive integers and (x·2)+x(2^2)+(y·2^3)+(y·2^4)=42, what is the value of xy?
1. 2 answers
2. 1,382 views
If r is an integer greater than 1, what is the value of (−1)^r +1 if:1. r is an odd integer 2.r is an even integer
1. 3 answers
2. 1,889 views
If 2a+ 2/a =4, what is the value of 2a^2− 2/a^2 ?
1. 2 answers
2. 652 views
Without building the graph, find the coordinates of the points of intersection of the graph of the equation (x+2)(y+3)=0 with
1. 1 answer
2. 1,366 views
In what quadrant of the coordinate plane is the graph of the direct proportion located which is parallel to the graph, expressed
1. 14 answers
2. 3,633 views
Write the trinomial as a square of a binomial or as an expression opposite to a square of a binomial:–44ax +121a^2+4x^2
1. 1 answer
2. 916 views
Prove that for any natural value of n the value of the expression:(5n+1)2–(2n–1)2 is divisible by 7
1. 2 answers
2. 1,399 views
Write the trinomial as a square of a binomial or as an expression opposite to a square of a binomial:−25a^2−1+10a
1. 3 answers
2. 1,712 views
Fill in the missing parts:(5x + ___)^2 = ___ · x^2+70xy + ___
1. 1 answer
2. 2,155 views

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