All Questions ⁺⁰213394 Questions

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+92

Let ABCD be a parallelogram. If AC = 9 and BD = 17, then find AB^2 + BC^2.

Let ABCD be a parallelogram. If AC = 9 and BD = 17, then find AB^2 + BC^2.

imbadatmath May 22, 2022

-1

41

1

+92

On the line segment connecting A and B, the point P is 4/7 of the way from B to A. If for some scalars a and b, what is (a,b)?

On the line segment connecting A and B, the point P is 4/7 of the way from B to A. If for some scalars a and b, what is (a,b)?

imbadatmath May 22, 2022

0

46

2

help

Terry spent 5/9 of his money on 3 files and 8 notebooks, and 3/4 of the remaining money on 7 pens. Each file costs 2/3 as much as a notebook. Each pen costs 40 cents more than a file. What fraction of his money was spent on 7 pens?

Guest May 22, 2022

0

28

1

Parabola

The vertex of a parabola is at (12,-4), and its axis of symmetry is vertical. One of the x-intercepts is at (-15,0). What is the x-coordinate of the other x-intercept?

Guest May 22, 2022

0

23

0

Graphing question

The graph of y=f(x) is shown in red below. For how many values of c is f(c) = -1?

Guest May 22, 2022

0

38

1

+612

word problem

If the value of a car depreciates 1/5 the first year, and 1/10 of its preceding value each year after that, what is the value of a four year old car that originally sold for 30,000?

xxJenny1213xx May 22, 2022

0

31

1

pls halp

An arithmetic series with 10 terms has 4 as its second term and -7 as its ninth term. What is the sum of the series?

Guest May 22, 2022

0

44

1

Floor function

Let for
(a) Find all such that .
(a) Find all such that .
(b) Find all such that .
(c) Find the number of possible values of for .

Prove read more ..

Guest May 22, 2022

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24

0

Halppp

Trains A and B leave the same city at the same time, headed east and north, respectively. Train B travels 4mi/h faster than A. After 2 hours, they are 50 miles apart. Find the speed of each train. Round to 2 decimal places if necessary.

Guest May 22, 2022

0

38

1

Exponents

Consider this equations:
8^/2^(x + y) = 64 and 9^(x + y)/3^(3y) = 432
Find the value of 2xy

Guest May 22, 2022

0

22

0

Rate problem

Nine large hoses can fill a swimming pool in four hours and six small hoses can fill the same swimming pool in eight hours.How long will it take three large hoses and eight small hoses working together to fill the swimming pool?

Guest May 22, 2022

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22

0

Polygon

A regular octagon, ABCDEFGH has an area of 1 square unit. What is the area of the rectangle ABEF ?

Guest May 22, 2022

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20

0

Parabola

The vertex of the parabola described by the equation 3y=2x^2+16x+28 is (m, n). What is m+n?

Guest May 22, 2022

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26

0

help quadratic

Find the product of all positive integer values of c such that 8x^2 + 150x + c = 0 has two real roots.

Guest May 22, 2022

0

28

1

Parabola

The x-intercepts of the parabola y = x^2 + bx + c are (-3,0) and (-5,0) Find the equation of the parabola, and submit your answer in y = x^2 + bx + c form.

Guest May 22, 2022

0

22

0

Inequality

Let a, b, c, d, e, f be nonnegative real numbers.

(a) Prove that (a^2 + b^2)^2 (c^4 + d^4)(e^4 + f^4) >= 32abcdef.
(b) Prove that (a^2 + b^2)(c^2 + d^2)(e^2 + f^2) >= 8abcdef. read more ..

Guest May 22, 2022

0

135

2

pls halp

Let $g_1, g_2, g_3,\dots$ be a geometric sequence. If $g_{23} = 16$ and $g_{28} = 24$, what is $g_{43}$?

Guest May 22, 2022

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24

1

Factoring

Write a^4 - 3a^2 + 9 - 7 as a product of two monic quadratics with integer coefficients.

Guest May 22, 2022

0

27

1

PLEASE HELP ASAP

How many solutions are there to the equation \[ |x| = -\dfrac 1 2 x + 4?\]

Guest May 22, 2022

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157

2

If f(-3) = 6, what point must be on the graph of y = f(x+4)

If f(-3) = 6, what point must be on the graph of y = f(x+4)

Guest May 22, 2022

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23

0

Counting

A triangle with integer sides has perimeter . How many such non-congruent triangles are there? (A 3-4-5 triangle is considered congruent to a 3-5-4 triangle because we can reflect and rotate the triangles until they match up.)

Guest May 22, 2022

0

24

0

geometric sequence

How many terms are in the geometric sequence?
\[3, 3 \sqrt 2, 6, \dots, 96, 96 \sqrt 2, 192, \dots, 768, 768 \sqrt{2}\]

Guest May 22, 2022

0

32

1

Answer this

Drew and Will were playing games on their phone. Drew played 11/12 of the games on his phone. Wil played 4 games. Together, they both finished to games in all. How many games did Drew play?

Guest May 22, 2022

0

31

1

help

Peter had 5/6 as many jellybeans as Chase. When Chase gave 1/2 of his jellybeans to Peter, he then had 55 fewer jellybeans than his friend. How many jellybeans did Chase have at first?

Guest May 22, 2022

0

53

1

Please help

Dave had some 50-cent coins. Wayne had some $1 coins. Dave gave 50% of his coins to Wayne and Wayne gave 50% of his coins to Dave. Wayne used some of the 50-cent coins to buy a book that cost $5. Dave used some of his $1 coins to buy a bag that cost $16. read more ..

Guest May 22, 2022

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