All Questions

427

+164

Not my homework but it is hard

At first, Ali had some money. He spent 20% of it on some books and 5/8 of the remainder on old. After that, his parents gave him $90. The ratio of the total amount of money he had in the end to the amount of money he had at first was 3:2. How much read more ..

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RunningManZZ Aug 20, 2021

424

Hello, please help me out, thanks

Abel had 3 times as many books as Thomas. Abel donated 1/4 of his books to charity. What was the ratio of the number of books Thomas had to the number of books Abel had in the end?

(1) 3:4
(2) 4:9 read more ..

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Guest Aug 20, 2021

315

Complex Numbers

Solve for $z$ in the following equation: $2-iz = 1 + 3iz$.
Express your answer in standard form.

Guest Aug 20, 2021

521

Hello , please help me . ASAP

John had some money. He spent 25% of it on books and 1/5 of the remaining amount on a bag. He had $240 left. How much money did he have at first?

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Guest Aug 20, 2021

420

Pls help! Thanks in advance.

Joe spent 3/5 of his money on a can of drink and a plate of chicken rice. The plate of chicken rice cost $3 more than the can of drink. Joe then spent the rest of his money to buy another 2 similar cans of drink and had $1 left, find the cost of the can read more ..

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Guest Aug 20, 2021

248

help algebra

Simplify and rationalize the denominator: $$\frac{1}{1+ \frac{1}{\sqrt{2}+1}}.$$

Guest Aug 20, 2021

246

help with algebra

Simplify $\frac{\sqrt{2}}{\sqrt{5}} \cdot \frac{\sqrt{3}}{\sqrt{7}} \cdot \frac{\sqrt{4}}{\sqrt{9}}$ and rationalize the denominator of the resulting fraction.

Guest Aug 20, 2021

318

Geometry

What is the area of a trapezoid ABCD with basesAB and CD if: m∠C=m∠D=60°, AB = BC = 8 cm

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Guest Aug 20, 2021

498

………..

Three boys, Jason, Keith and Lucas, had equal number of coins. Jason had only twenty-cent coins. Keith and Lucas each had a mix of twenty-cent and one-dollar coins. Keith had 16 one-dollar coins while Lucas had 7 one-dollar coins.

(a) read more ..

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Guest Aug 20, 2021

347

Help

Tom had as many stickers as Edward at first. After Tom bought another 8 stickers and Edward lost 5 stickers, Tom had as many stickers as Edward. Find the number of stickers Tom had at first.

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Guest Aug 20, 2021

446

repost Algebra

1.Graph the function f(x)=∛(x+2)
Answer:

2. Graph the function f(x)=-|x-3|+2 read more ..

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Guest Aug 20, 2021

320

Geometry

Find BX.

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Guest Aug 20, 2021

275

help math

Miko and Freya saved the same amount of money. After Miko lent $32 to Freya, Freya had 5 times as much money as Miko. How much did Freya have in the end

Guest Aug 20, 2021

319

Geometry

A hexagonal prism has a height of 6 units and a regular hexagonal base with a side length of 4 units. What is the length of the longest segment that can fit inside this prism?

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Guest Aug 20, 2021

288

Polynomial

A polynomial with integer coefficients is of the form
2x^4 + a_3 x^3 + a_2 x^2 + a_1 x + 2 = 0
Find the number of different possible rational roots of this polynomial.

Guest Aug 20, 2021

418

+140

Complex Algebra Problem

Let be integers. For how many ordered triples is ?

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sherwyo Aug 20, 2021

270

help with number theory

If a, b, and c are non-negative integers less than 7 such that a+2b+3c=0(mod 7), 2a+3b+c=0(mod 7), 3a+b+2c=0 (mod 7) then determine the remainder when abc is divided by 7.

Guest Aug 20, 2021

403

+164

Math

Jason unpacked 51 kilograms of bananas and apples. The bananas came in 9-kilogram bags and the apples came in 8-kilogram bags. In all, Jason unpacked 6 bags of fruit. How many bags of bananas and bags of apples did he unpack?

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RunningManZZ Aug 20, 2021

415

+151

Wort

The total rent of the house is € 2560, the ground floor is € 510, the first floor € 750, and the second floor € 620. How much rent is paid for the third floor?

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Ajdabegano Aug 20, 2021

429

+151

Math

Felix and Markus want to drive a 60km long route in a maximum of 3 hours. After 40 minutes you do the first time check. How long do you actually need to cover the 60km?

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Ajdabegano Aug 20, 2021

486

+318

Help me on this question

Conrad had some blueberry tarts and kiwi tarts. After selling of his blueberry tarts and of his kiwi tarts, he had the same number of blueberry tarts and kiwi tarts left. Find the ratio of the number of blueberry tarts to the number of kiwi tarts read more ..

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Tgfromthe4 Aug 20, 2021

472

+164

Sorry help again!

Raul and Randy had a total of 177 game cards. Firmino and Raul had a total of 131 game cards. Firmino had as many game cards as Randy. How many more game cards had Raul than Randy?

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RunningManZZ Aug 20, 2021

472

help plz

Pete and Pam are planning to paint a house together. Pete thinks it would take him 2 times as long as it would take Pam to paint the entire house. Working together, they can complete the job in 18 hours. How long will it take each of them, working alone read more ..

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Guest Aug 20, 2021

410

+164

Help

Minah went shopping with 20 pieces of $5 notes and some $10 notes. The ratio of 5 notes to $10 notes was 2 : 7. After spending an equal number of $5 and $10 notes, the ratio of $5 notes to $10 notes became 3 : 13. What was the total amount spent by Minah?
read more ..

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RunningManZZ Aug 20, 2021

366

Ratios

The map ratio of a map is 1: 50000. find the length on the ground represented by 6.4cm on the map

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Guest Aug 20, 2021

All Questions ⁺⁰237720 Questions

Not my homework but it is hard

Hello, please help me out, thanks

Complex Numbers

Hello , please help me . ASAP

Pls help! Thanks in advance.

help algebra

help with algebra

Geometry

………..

Help

repost Algebra

Geometry

help math

Geometry

Polynomial

Complex Algebra Problem

help with number theory

Math

Wort

Math

Help me on this question

Sorry help again!

help plz

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