1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
andrew-mc [135]
3 years ago
7

Can someone help me with all these

Mathematics
2 answers:
Romashka [77]3 years ago
7 0
1) factorise the expression: 2(x^2-4x) + 1 = 2(x-2)^2 - 8 + 1 = 2(x-2)^2 -7 so the answer is c
2) formula of the circle will be (x-2)^2 + y^2 = 2^2 which expands to x^2 -4x + 4 + y^2 = 4 which simplifies to x^2 + y^2 -4x = 0 so b
3) d
4)a
5)d
6)b
masha68 [24]3 years ago
3 0
I don't know
I think for number 6 the answer is. A
You might be interested in
Please help need answer. NO LINKS
nikklg [1K]

Answer:

Answer choice C) 3a-3

Step-by-step explanation:

Your perimeter is of (10a-6). The first step would be multiply 2a by 2 since you have to sides. Which would give you to 4a. Next you will have to subtract 4a from (10a-6). This would give you 6a-6. Finally divide by two and you will get 3a-3.

7 0
3 years ago
642/3 rounded to nearest whole number
77julia77 [94]

Answer:

214

Step-by-step explanation:

642/3= 214

5 0
3 years ago
Read 2 more answers
Chi works cutting lawns. Last week, he worked 34 hours and earned $329.12. What is his hourly wage?
Mila [183]

We want to find the number of dollars Chi makes for every hour he cuts lawns. This proportion would be dollars/hour.

329.12 / 34 = 9.68

Chi's hourly wage is $9.68 per hour.

Hope this helps!! :)

5 0
3 years ago
A shoe keeper has 6 sodas that come in 4 different cups sizes. How many different drinks can you order?
vladimir1956 [14]

Answer: If he has 6 sodas and 4 different cup sizes, let us say Extra Large, Large, Medium and Small, he would have: COLA- 4 choices; ROOT BEER- 4 choices; ORANGE 4 choices; BLACK CHERRY- 4 choices; GIGERALE- 4 choices; CREAMSODA- 4 choices, or 6 x 4= 24 different choices

Step-by-step explanation:

4 0
3 years ago
Someone help me im stressing out
Temka [501]

Answer:

68

Step-by-step explanation:

As FRED is parallelogram, the opposite angle can be the same angle. There's straight line ADE, so there's 180 at point D that can minus 124 to get 56.

7 0
3 years ago
Other questions:
  • Apple cost $3.60 for 2lb. at that rate how many pounds of apples can you buy for $5.40
    6·2 answers
  • Which is true of a population in a statistical survey
    12·1 answer
  • IVa wantd to train for a race by runing 10km ober 3 days uring the week. The first day she ran 1.37 km more than she aran on the
    12·1 answer
  • Need help asap!!!! thanks
    15·1 answer
  • Find the quotient: 15x^4y^2-30x^2y^3+45xy/5xy is ________. when this quotient is divided by _____the result is x^3y-2xy^2+3
    12·1 answer
  • What is the gcf for 24 72 36?
    9·1 answer
  • How many miles does it travel in 1 hour?
    12·2 answers
  • MAD 2120-002, Summer 2018, Dr. Vasile LAURIC jordan davis & 8/3/18 12:53 PM Quiz: Q13 (9.3, 9.4, 8.4) Submit Qui This : 1 pt
    6·1 answer
  • Quadrilateral PQRS is an isosceles trapezoid in which m∠P = m∠S. Which of the following statements must be true?
    14·1 answer
  • Change 2.33 to a simplified fraction. Round to the nearest hundredth.
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!