All Questions ⁺⁰237827 Questions

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Please help with this question I am very confused

Let z be a complex number satisfying What is the value of z?

Guest Oct 7, 2022

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195

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מה זה אינטגרל לא מסוים?

מה זה אינטגרלים?

Google translate:
What are integrals? read more ..

Guest Oct 7, 2022

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219

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Find the vector z, given that u = 24, 0, 14 , v = 7, 2, -7 , and w = 4, 8, -3 . 2u + v − w + 3z = 0

find the vector z

Guest Oct 7, 2022

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253

2

Plz help

What is the sum of all possible values of $x$ such that $2x(x-10)=-50$?

Guest Oct 7, 2022

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302

2

+218

Hard Geometry Problem - Seeking Attention

Dear Math Enthusiasts,
I am looking for an answer to my previously asked question.

Please view the post here, and see if you can help me out. Thanks!
read more ..

MathyGoo13 Oct 7, 2022

Oct 6, 2022

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338

2

+218

HELP! HARD GEOMETRY PROBLEM!!!!

The three circles are tangent to each other. Lines L1 and L2 are parallel, and are tangent to circles A&B, and to circles A&C respectively. The radius of circle B is 9 cm, and the radius of cricle C is 16cm. The area of cricle A exceeds the sum read more ..

MathyGoo13 Oct 6, 2022

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271

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completing the square

solving this
got to
now i have i have to square root both sides. sqrt of 36 is obv -/+ 6
how do i square the oher side? read more ..

Guest Oct 6, 2022

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263

1

palindromes

Find all four-digit palindromes that are divisible by 19.

Guest Oct 6, 2022

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273

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algebra

Explain how to calculate 75 + 72 + 69 + 66 + ... + 21 + 18 + 15 + ... + (-69) + (-72) + (-75) + (-78) + (-81) without a calculator.

Guest Oct 6, 2022

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276

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+27

Help plz, I need explanation

Tuckerrrr Oct 6, 2022

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248

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counting problem

(a) Grogg is ordering pizza from a local pizzeria, which offers ten different toppings: pepperoni, mushrooms, sausage, onion, olives, green peppers, pineapple, spinach, garlic, and hummus (an favorite). For any pizza, any combination of toppings read more ..

Guest Oct 6, 2022

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252

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What a i doing wrong here x2

-16t2+40t=0
i solved like his
-16t2=-40
-16/-40 = 2.5t read more ..

Guest Oct 6, 2022

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264

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need help on the rules of combining like terms

3p-+3p-+p=45
combining this brings
7p-12=45
but i originally got 5p-12=45. Because when subtracting p from 6p (i used inverse operations), the answer would be 5. read more ..

Guest Oct 6, 2022

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273

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what am i doing wrong here

-9x+15=3(2-x)
-9x+15=6-3x
-9x+9=-3
my answer key is tellng me 9 should become negative, why? read more ..

Guest Oct 6, 2022

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261

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math

what is the absolute value of a number

Guest Oct 6, 2022

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253

1

standard triangle

how do i find the 2 missing sides of a standard triangle

Guest Oct 6, 2022

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231

2

make x the subject of the formula y=x-a

make x the subject of the formula y=x-a

Guest Oct 6, 2022

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200

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Pre Calc Help plz!

A gardener has 1500 feet of fencing to enclose three adjacent rectangular gardens. Determine the dimensions that will produce a maximum enclosed area.
I know the answers but unsure how to find them

Guest Oct 6, 2022

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267

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find work needed to pump a liquid over the top of a plane

A sphere of radius 16 cm is sitting on a table. We cut the sphere with a plane parallel to the table at a distance 24 cm from the table. Find the volume V of the part of the sphere above the cutting plane. read more ..

Guest Oct 6, 2022

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218

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is v -25 a real number or a non-existent number

is v -25 a real number or a non-existent number

Guest Oct 6, 2022

Oct 5, 2022

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273

2

0.816496580927726 as a fraction,if it's a rational or a irrational and also the steps or a guide on how to answer the problem.

0.816496580927726 as a fraction,if it's a rational or a irrational and also the steps or a guide on how to answer the problem.

Guest Oct 5, 2022

+1

291

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counting problem

In the array below, in how many different ways can we start with the letter A and move from letter to letter (horizontally, vertically, or diagonally), to spell the word "ARCH"?

A
RRR read more ..

Guest Oct 5, 2022

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