Q and A for the topic: General

Multiply and then simplify by collecting like terms: (a) (2𝑥 + 1)(𝑥 + 3) (b) (2 − 𝑦)(2 − 𝑦) (c) (𝑦3 + 𝑦)(𝑦2 + 1) (d) (𝑥 + 1)(𝑥 + 1) (e) (𝑥 + 𝑦)(𝑥 − 𝑦

y>-2, x>0, 2x+y<4

Carry out the addition and simplify by collecting like terms: (a) (𝑥2 + 2𝑥 + 1) + (3𝑥 + 7) (b) (𝑛2 + 2𝑚) + (𝑚 − 𝑛2) (c) (𝑦5 − 2𝑦3 + 𝑦) + (2𝑦5 + 𝑦3 − 𝑦) (d) (𝑥2𝑦 − 7𝑦) + (𝑦 + 7𝑥2𝑦) 3) 4) (e) (𝑥𝑦 − 1) + (−2𝑥𝑦 + 5)

With a parallel translation, triangle ABC became triangle A' BʼC'. Find the angles of triangle ABC if triangle AʼBʼC' is isosceles with with bases A'B' and LB' = 20°.

8. Is there a parallel translation in which the point M (3; - 5) goes to the point N (1; -4), and the point K (0; 0) - to the point L(-2; 1)?

Solve inequality -5e < -25

Solve inequality 140 < -20j

1/cosx - 1/secx = sinxtanx (prove the identity with the rule)

-18 x -13

70 cans of paint are needed to paint 5 houses on a street How much paint do you need to paint 12 houses?

The sum of two numbers is 68. The second addend is 8 less than the first. What are the numbers?

The father is 4 times older than his son. The difference in their ages is 33. How old is the father and how old is the son?

Find 180.5% of 99

2x+3y=9 Resolver x

Electing 4 of 6 people to the offices of president, vice president, secretary, and treasurer. Use the fundamental principle to find each number of possible outcomes

Determine if the sequence is geometric. If it is, find the common ratio, the 8th term? And the explicit formula from this sequence 162, -54, 18, -6,…

Briana received a 10 year subsidized student loan of $24,000 at an annual interest rate of 4.875%. Determine her monthly payment in dollars on the loan after she graduates in 2 years. Round answer to the nearest cent.

Round 15628 to the nearest hundred

A motorcycle costs $7,250. If it depreciates by 12% per year, how much will it be worth after one year?

Calculate the lateral surface area Circular cylinder with H=5m and r= 4m