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Sav [38]
2 years ago
10

A bakery offers a sale price of 3.50 for 4 muffins.What is the price per dozen

Mathematics
1 answer:
hammer [34]2 years ago
6 0
1
3.50
3.50
+3.50
______
10 .50
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Which of the following is not a factor of x^3 – 3x^2 – 4x + 12?
Slav-nsk [51]

Answer:

c. (x + 3)

Step-by-step explanation:

using factor theorem

if x - 3 is a factor then p(a) = 0

p(a)= x^3 - 3x^2 - 4x + 12

a.(x-3)

p(3) = (3)^3 - 3(3)^2 - 4(3) + 12

= 27 - 27 - 12 + 12

= 0

therefore x-3 is a factor

b.(x + 2)

p(-2) = (-2)^3 - 3(-2)^2 - 4(-2) + 12

= -8 -12 + 8 + 12

,= 0

therefore x + 2 is a factor

c.(x + 3)

p(-3) = (-3)^3 - 3(-3)^2 - 4(-3) + 12

= -27 -27 + 12 + 12

= -30

therefore x + 3 is not a factor

d.(x-2)

p(2) = (2)^3 - 3(2)^2 - 4(2) + 12

= 8 -12 - 8 + 12

= 0

therefore x - 2 is a factor

4 0
3 years ago
What is the quotient of -3/8and-1/3?
hodyreva [135]

Answer:

9/8

Step-by-step explanation:

the quotient of -3/8 and -1/3

= (-3/8)  /  (-1/3)

= (-3/8) x (-3/1)

= 9/8

8 0
3 years ago
Help? what do i choose
TEA [102]

Answer:

Step-by-step explanation:

So this is an isosceles triangle so the other angle must be x too.

So:

x+x+40 = 180

2x+40 = 180

2x = 140

x = 70

5 0
2 years ago
Read 2 more answers
The amount of tomatoes doubles every day.Use an equation model the situation There are three tomatoes on Monday.How many will th
expeople1 [14]
There will be 12 tomatoes on Thursday. 3x4
4 0
3 years ago
Read 2 more answers
If x+2y=3 and xy=2 show that x³+8y³+9=0​
kicyunya [14]

Step-by-step explanation:

<u>Given</u>

  • x + 2y = 3 and xy = 2
  • show that x³ + 8y³ + 9 = 0​

<u>Solution in steps:</u>

  • (x + 2y)³ = 3³
  • x³ + 3x²(2y) + 3x(2y)² + (2y)³ = 27
  • x³ + 6x(xy) + 12y(xy) + 8y³ = 27
  • x³ + 8y³ + 6(x + 2y)xy = 27                    ⇒  Substitute values
  • x³ + 8y³ + 6*3*2 = 27
  • x³ + 8y³  + 36 - 27 = 0
  • x³ + 8y³  + 9 = 0

Done

4 0
3 years ago
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