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aleksley [76]
3 years ago
8

1/4 cupcakes for 28 kids

Mathematics
1 answer:
MaRussiya [10]3 years ago
7 0
14 ÷ 28 =7 its must 28÷4
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What is 3x3 – 11x2 – 26x + 30 divided by x – 5?
ahrayia [7]
Hello :
 3x3 – 11x2 – 26x + 30 divided by x – 5 is :<span>3x2 + 4x – 6
because :
(x-5)(3x²+4x-6)=3x^3+4x²-6x-15x²-20x+30 =</span>3x3 – 11x2 – 26x + 30
8 0
2 years ago
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HEYYYY NOBODY ANSWER MY MATH QUESTION I ASK THIS MORNING THAT'S NOT FAIR!!!
Leviafan [203]

Answer:

( a+b) (a-b)

x^2 - 50

Step-by-step explanation:

The formula for difference of squares is

a^2 - b^2 = ( a+b) (a-b)

121x^2 -144 = (11x)^2 - 12^2 so this is the difference of squares

x^2 - 16y^2 = (x)^2 - (4y)^2  so this is the difference of squares

9x^2 -64 = (3x)^2-8^2  so this is the difference of squares

x^2 - 50 = (x)^2 - 2*(5)^2  this is not the difference of squares

4 0
2 years ago
I need help so bad can some one help ​
kicyunya [14]

Answer:

B

Step-by-step explanation:

X=5, Y=3

4 0
2 years ago
What is the slope and y-intercept of 5x+2y=-10
Bond [772]

Answer:

slope =  - 5/2

y-intercept = (0,-5)

Step-by-step explanation:

3 0
2 years ago
If the 3rd and 9th term of an ap are 4 and -8 respectively then which term of AP is zero​
Anon25 [30]

Answer:

fifth term

Step-by-step explanation:

The n th term of an AP is

a_{n} = a₁ + (n - 1)d

where a₁ is the first term and d the common difference

Given a₃ = 4 and a₉ = - 8 , then

a₁ + 2d = 4 → (1)

a₁ + 8d = - 8 → (2)

Subtract (1) from (2)

6d = - 12 ( divide both sides by 6 )

d = - 2

Substitute d = - 2 into (1)

a₁ + 2(- 2) = 4

a₁ - 4 = 4 ( add 4 to both sides )

a₁ = 8

Thus equating the n th term formula to zero and solving for n

8 - 2(n - 1) = 0 ( subtract 8 from both sides )

- 2(n - 1) = - 8 ( divide both sides by - 2

n - 1 = 4 ( add 1 to both sides )

n = 5

The fifth term is equal to zero

8 0
2 years ago
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