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Andreas93 [3]
3 years ago
7

Please see attachment

Mathematics
1 answer:
Kruka [31]3 years ago
7 0
It’s all about substitution. you need to substituse (1,5) so 1 is x and 5 is y. you put it as 7(1) - 2(5) = -5 and you solve
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Zoe is 16 years old. Her brother Luke is 3 years more than half her age. Write a numerical expression for Luke’s age.
Alenkasestr [34]

; Simplified =

Let "Zoe" = z

Let "Luke" = x

x = 16/2 + 3 is your equation

You're expression is

~

3 0
3 years ago
Explain how to do <br> nx$3.25=$325.00
cupoosta [38]
N*3.25=325.00
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Simplify the product using FOIL. (3x + 4)(2x – 6)
Arturiano [62]

Answer:

6x^2 - 10x - 24

Step-by-step explanation:

  1. Do 3x times 2x which is 6x^2
  2. Do 3x times - 6 which is -18x
  3. Do 4 times 2x which is 8x
  4. Do 4 times - 6 which is - 24
  5. You get 6x^2 - 18x + 8x - 24
  6. Simplyify to get the answer
5 0
3 years ago
Read 2 more answers
6y^2-25y+14 factor <br><br> Help please
LUCKY_DIMON [66]

Answer:

(3y - 2)(2y - 7)

Step-by-step explanation:

To factorise the quadratic

Consider the factors of the product of the coefficient of the y² term and the constant term which sum to give the coefficient of the y- term

Product = 6 × 14 = 84 and sum = - 25

The required factors are - 4 and - 21

Use these factors to split the y- term

6y² - 4y - 21y + 14 ( factor the first/second and third/fourth terms )

2y(3y - 2) - 7(3y - 2) ← factor out (3y - 2) from each term

= (3y - 2)(2y - 7) ← in factored form

8 0
3 years ago
A cylinder has a base radius of 7m and a height of 14m. What is its volume in cubic m, to the nearest tenths place?
Westkost [7]

Answer:Answer:

2155.1 m^3

Step-by-step explanation:

area= pi* r ^2 * h =pi * 7^2 *14 = 2155.1 m^3

6 0
2 years ago
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