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
S_A_V [24]
2 years ago
12

The total cost of 1 pencil and 2 erasers is £8, and the total cost of 2 pencils and 4 erasers is £20, as shown below:

Mathematics
1 answer:
Paul [167]2 years ago
8 0

Answer:

see explanation

Step-by-step explanation:

The 2 equations are

x + 2y = 8 → (1)

2x + 4y = 20 → (2)

You might be interested in
How to find angles in tranversal
xeze [42]
We have some couples of angles that are equal
5 0
3 years ago
Evaluate - 4/8 ./. 8 2/3
LenaWriter [7]

Answer:

The answer is 13/3.

Step-by-step explanation:

8 2/3 is an improper fraction and is expressed as 26/3. CCF (copy, change, flip) is then applied to the division statement and 26/3 to becomes 4/8*26/3. The final answer is 104/24 which simples to 13/3.

3 0
2 years ago
Find the area of a circle having a radius of 9 cm
iVinArrow [24]

Answer:

81 pi cm^2

or approximately 254.34 cm^2

Step-by-step explanation:

The area of a circle is given by

A = pi r^2

A = pi (9)^2

A = 81 pi

Using 3.14 as an approximation for pi

A = 81 (3.14)

A =254.34 cm^2

7 0
3 years ago
Read 2 more answers
What is the vertex in the equation of the axis of symmetry of the graph of y=x^2-6x-7
Keith_Richards [23]

Answer:

98

Because ya he is js is k ska new aja ska ska

4 0
3 years ago
Product A is a 12-ounce bottle of generic mouthwash that sells for $1.15. Product B is a 24-ounce bottle of mouthwash that costs
adoni [48]
12 oz = 1.15
24 oz = 2.79
Let's see if 2x12oz is equal, less, or more than the 24oz.
1.15 x 2 = 2.30
2.30<2.79
The 12 oz is a better buy.
3 0
3 years ago
Other questions:
  • Every morning there is an 70% chance that I get to the bus on times. if each morning is independent of the others, what is the p
    9·1 answer
  • Solve for x.<br> 8= 2x + 4
    15·2 answers
  • Approximate the value of 5 pie
    13·2 answers
  • Hey guys I’m a little stuck ?
    8·2 answers
  • 10 increased by the quotient of a number and two is -15
    8·1 answer
  • Part A: Explain why the x-coordinates of the points where the graphs of the equations y = 8x and y = 2x + 2 intersect are the so
    10·2 answers
  • 15 is divisible by 75 true or false ? need it right now :)
    12·2 answers
  • Use linear regression to find the equation for the linear function that best fits this data. Round both numbers to two decimal p
    7·1 answer
  • One circle has a circumference of 12π cm. Another circle has a circumference of 32π cm. What is the ratio of the radius of the s
    6·1 answer
  • At the end of the first year, a zoo has 10 monkeys. If the number of monkeys doubles each year, how many will there be at the en
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!