Ask a New Question

Questions and answers by

Helen

Questions (417)

One of the sides of a parallelogram has the length of 5 in. Can the lengths of the diagonals be:4 in and 3 in?
1. 6 answers
2. 2,738 views
One of the sides of a parallelogram has the length of 5 in. Can the lengths of the diagonals be:6 in and 7 in?
1. 5 answers
2. 2,505 views
For each of the following situations, write down the formula and determine if it defines a linear function:The length of a
1. 1 answer
2. 683 views
Take a factor out of the square root:square root of 10y^2 , where y<0
1. 1 answer
2. 685 views
Prove that, 36^7−6^13 is divisible by 30.
1. 1 answer
2. 1,125 views
(−2x^2yz^2+3x^2y)·(−5y^2z^3−4z)·(xy^2+z)
1. 1 answer
2. 408 views
Factor the following polynomials by grouping if possible:acx^2 + adx + bcx + bd
1. 3 answers
2. 1,440 views
Prove that:12^13–12^12+12^11 is divisible by 7 and 19.
1. 3 answers
2. 1,323 views
A line passes through the origin and through points A(−2, b−14) and B(14−b, 72). What is the greatest possible value of b?
1. 4 answers
2. 1,308 views
Find the measure of the exterior angles of the following regular polygons: a triangle, a quadrilateral, a pentagon, an octagon,
1. 2 answers
2. 1,317 views
Prove the divisibility of the following numbers:8^10−8^9−8^8 by 55
1. 5 answers
2. 1,123 views
Simplify the expression:.1 square root a^6 where a<0
1. 2 answers
2. 297 views
Prove the divisibility of the following numbers:12^8·9^12 by 6^16
1. 1 answer
2. 1,088 views
Prove the divisibility of the following numbers:45^45·15^15 by 75^30
1. 3 answers
2. 2,155 views
Prove the divisibility of the following numbers:810−89−88 by 55
1. 1 answer
2. 704 views
Find the value of the polynomial:7x^2y−2xy^2−6x^2y+3xy^2−xy+8 for x=−2, y=4
1. 5 answers
2. 1,559 views
Prove that: (12^13–12^12+12^11)(11^9–11^8+11^7) is divisible by 3, 7, 19, and 37.
1. 7 answers
2. 1,410 views
7^8–7^7+7^6 is divisible by 43
1. 1 answer
2. 425 views
The stadium has a form of a rectangle with two semicircles attached to the short sides. The long side of a rectangle is 2 times
1. 4 answers
2. 1,523 views
In a right triangle the leg opposite to the acute angle of 30° is 7 in. Find the hypotenuse and other leg.
1. 3 answers
2. 4,218 views
Find the value of the expression:–2x(x^2–x+3)+x(2x^2+x–5) for x=3; −3
1. 2 answers
2. 337 views
In ΔABC, AC = BC, CD ⊥ AB with D ∈ AB , AB = 4 in, and CD = square root of 3 in. Find AC.
1. 4 answers
2. 2,284 views
Put a positive factor back into the square root:−5 0.6
1. 5 answers
2. 2,020 views
Take a factor out of the square root: 4 450
1. 1 answer
2. 1,389 views
In a right triangle the length of a hypotenuse is c and the length of one leg is a. Find the length of the other leg b, if:c=5,
1. 2 answers
2. 1,098 views
Can you tell which of the following triangles are right and explain your answer? The numbers represent the lengths of the sides:
1. 1 answer
2. 411 views
In a right triangle the length of a hypotenuse is c and the length of one leg is a. Find the length of the other leg b, if:c=13,
1. 1 answer
2. 486 views
Can the equation have a positive root:(x+5)(x+6)+9=0
1. 1 answer
2. 317 views
u/p + u/q =m, if , p≠−q
1. 3 answers
2. 899 views
−5 square root of y^2 if y>0
1. 1 answer
2. 443 views
Two buses left town A for town B at the same time. The speed of one of the buses was 10 mph greater than the speed of the other
1. 1 answer
2. 1,208 views
Find the value of the expression x+|x|, if x=7, 10, 0, −3, −8. Simplify the expression x+|x|, if:x≥0 if x ≥ 0, then x +
1. 1 answer
2. 753 views
Simplify the expression |ab| ifa>0 and b>0
1. 2 answers
2. 502 views
Is it true or false?2.7 ∉ N?
1. 3 answers
2. 415 views
Is it true that:27 ∈ N?
1. 3 answers
2. 303 views
Write the expression without the absolute value sign:|2b|, where b<0
1. 2 answers
2. 1,030 views
Write the expression without the absolute value sign:|a|, where a>0
1. 1 answer
2. 438 views
Find the number whose arithmetic square root is1
1. 3 answers
2. 718 views
A superhero flies 235 m from the top of atall building at an angle of 25 ◦ below the horizontal. What is the horizontal
1. 1 answer
2. 1,600 views
Write the expression as a cube of a monomial.0.001y^12
1. 3 answers
2. 2,381 views
Write the expression as a cube of a monomial.– 8/27a^15
1. 1 answer
2. 1,656 views
A vendor sells h hot dogs and s sodas. If a hot dog costs twice as much as a soda, and if the vendor takes in a total of d
1. 4 answers
2. 1,147 views
Write an equation of a line which is passing through the point (8, −6) and is parallel to another line, whose slope is −2
1. 3 answers
2. 1,499 views
Write the expression a15 as a product of two exponents with the same base one of which is equal to a^6; a^9; a^2; a^14.a15 = a6
1. 1 answer
2. 1,017 views
Traveling with a speed of 70 mph, a car covered a distance D miles in T hours. Write an equation that relates the distance D
1. 3 answers
2. 1,448 views
The 8th term of a(GP) is 640. If the first term is 5, find the common ratio and the 10th term?
1. 8 answers
2. 3,464 views
Find all whole values for y for which the double inequality is true:−5<y<2
1. 6 answers
2. 997 views
Jim and his dad are bricklayers. Jim can lay bricks for a fireplace and chimney in 5 days. With his father's help, he can build
1. 6 answers
2. 995 views
Given the function y={ 3x+1 if x ≥0 Find its values for x=−1; 0; 1; 2.{x-2 if x<0
1. 1 answer
2. 496 views
Find all whole values for y for which the double inequality is true:28<y<31.2
1. 3 answers
2. 905 views
What is the domain of the functions below:y= 2x−3/|x-1|+2
1. 2 answers
2. 464 views
Jim and his dad are bricklayers. Jim can lay bricks for a fireplace and chimney in 5 days. With his father's help he can build
1. 2 answers
2. 645 views
Graph the line using a point and a slope. Write the equation of each line.a line that contains the point (0, −3) and
1. 6 answers
2. 2,707 views
Use the given domain to find the range of function:f(x)=−2x2+7, D={2, −3, 0}
1. 3 answers
2. 1,539 views
Write each equation in slope-intercept form of the equation of a line. Underline the slope and circle the y-intercept in each
1. 1 answer
2. 577 views
Write each equation in slope-intercept form of the equation of a line. Underline the slope and circle the y-intercept in each
1. 5 answers
2. 1,238 views
Graph the line using a point and a slope. Write the equation of each line.a line that passes through the point (4, 0) and whose
1. 2 answers
2. 570 views
Graph the following lines and write the equation in slope-intercept form.Through the point (−8,1) with a slope of 3.
1. 3 answers
2. 588 views
Write an equation of the line passing through each of the following pairs of points.(−10, 4), (2, −5)
1. 4 answers
2. 2,010 views
Write an equation of the line passing through each of the following pairs of points.(5, 0), (−3, 0)
1. 2 answers
2. 953 views
Write an equation of the line passing through each of the following pairs of points.(4, 0), (−2, 8)
1. 3 answers
2. 2,589 views
Write an equation of the line passing through each of the following pairs of points.(5, 7), (−6, −3)
1. 2 answers
2. 1,122 views
Write each equation in slope-intercept form of the equation of a line. Underline the slope and circle the y-intercept in each
1. 4 answers
2. 1,023 views
Given the function f(x)=x2+2x+1, find:f(2b)
1. 2 answers
2. 647 views
Write a formula showing the dependence of the mass of a piece of cork on its volume, if the density of cork is 0.18g/cm3. Using
1. 1 answer
2. 1,012 views
Write a formula showing the dependence of the mass of a piece of cork on its volume, if the density of cork is 0.18g/cm3. Using
1. 5 answers
2. 1,824 views
For what value(s) of k will the relation not be a function?A = {(1.5k−4, 7), (−0.5k+8, 15)}
1. 4 answers
2. 2,204 views
Dasha has 4 times more rose bushes in her garden than Anna. After 39 rose bushes were removed from Dasha's garden and then
1. 3 answers
2. 1,643 views
Given the function f(x)=x2+2x+1, find:f(−7)
1. 2 answers
2. 533 views
Find the domain of the function expressed by the formula:y= 2 3 +x
1. 1 answer
2. 927 views
Use the given D to find the range of each function:g(x)=−3x2−4, D={−1, 2, 3}
1. 0 answers
2. 324 views
Use the given D to find the range of each function:f(x)=x2−4, D={−14.1, 0.04, 21.06}
1. 0 answers
2. 293 views
Find the domain of the function expressed by the formula:y=x^2+8
1. 2 answers
2. 1,070 views
Given g(x)=−2x2+1, find the indicated values: g(−4)
1. 2 answers
2. 1,412 views
Use the given D to find the range of each function: f(x)=x2−4, D={−14.1, 0.04, 21.06}
1. 4 answers
2. 587 views
When a fifth of a certain number is added to 3,the result is 17 .what is the number?
1. 1 answer
2. 509 views
4.0g of an unknown potassium halide (KX, where X is the halide) is dissolved in 100g of water. The solution freezes at -1.28
1. 1 answer
2. 1,503 views
How would you solve this systems of equations?Y-7=-2x 4x+2y=14
1. 3 answers
2. 853 views
he wholesale cost of a delivery van is $31,300. The original markup was 26% based on selling price. Find the final sale price
1. 2 answers
2. 3,109 views
How do I solve 4|8x-2|=8?And also 6w-1 over 5 -3w= 12w-16 over 15?
1. 1 answer
2. 711 views
I have a question related to oxidizing agents. Why do some oxidizing agents have to be in acid medium?For example the potassium
1. 1 answer
2. 520 views
Sound intensity is inversely proportional to the square of the distance from the sound source; that isI= k/ (r)^(2), where I is
1. 1 answer
2. 1,039 views
A man 1.5m tall is 15m away from a tower 20m high.What is the angle of elevation of the top of the tower from his eyes?
1. 4 answers
2. 2,602 views
Lele I want to bought a sandbox in her backyard the sandbox she build has an area of one do you want to square feet yard drive
1. 1 answer
2. 695 views
A 71 kg skydiver jumps out of a plane at an altitude of 1370m. She reaches terminal velocity of 68m/s. She opens the parachute
1. 1 answer
2. 5,101 views
Describe the points on the earth’s surface that are visible to a viewer who is 100 milesabove the North Pole. Would it be half
1. 1 answer
2. 1,090 views
1.)Knowing that the Latin root -equi- means "equal," choose the best meaning for the word equilateral as it is used in the
1. 9 answers
2. 2,409 views
If Donna uses 4 1/2 meters of fabric, what is the total length of the pieces of fabric left?Thank you
1. 1 answer
2. 792 views
The Patterson family and the bell family each used their sprinklers last summer. The wayer output rate for the patterson
1. 1 answer
2. 797 views
A light, rigid rod 1.039m in length joins two particles with masses 3.65kg and 4.94kg at its ends. The combination rotates in
1. 0 answers
2. 856 views
How many solution are there in the following system of equations?x=-6y+4 2x+12y=8 Please help me and explain it to me! I would
1. 3 answers
2. 541 views
The West WindIt’s a warm wind, the west wind, full of birds’ cries; I never hear the west wind but tears are in my eyes. For
1. 1 answer
2. 1,571 views
Determine whether the statement is true or false. Explain. "The median divides the box of a box-and-whisker plot in half."I
1. 1 answer
2. 488 views
A square pyramid has a surface area of 175 square inches. The square base has side lengths of 5 inches. Find the slant height of
1. 0 answers
2. 747 views
A company will make a cereal box with whole number dimensions and a volume of 100 cubic centimeters. If cardboard costs $0.05
1. 1 answer
2. 1,575 views
A company will make a cereal box with whole number dimensions and a volume of 100 cubic centimeters. If cardboard costs $0.05
1. 0 answers
2. 699 views
Explain how you could find the volume of a pyramid given a prism with the same base are and height. Justify your answe
1. 2 answers
2. 460 views
Explain how you could find the volume of a pyramid given a prism with the same base are and height. Justify your answer.
1. 1 answer
2. 413 views
What fraction of the volume of the rectangular prism is the volume of the rectangular pyramid?
1. 2 answers
2. 858 views
Suppose Cylinder A has the same height but twice the radius of Cylinder B. What is the ratio of the volume of Cylinder B to
1. 1 answer
2. 2,325 views

Pages

1
2
3
4
5

Ask a New Question

Archives
Contact Us
Newest
Privacy Policy
Terms of Use
© 2025