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3 years ago

Some please help me find the length of XY, I’ll give you Brainliest

Mathematics

2 answers:

Georgia [21]3 years ago

7 0

Answer:

The length of XY is 14x + 20

Step-by-step explanation:

aniked [119]3 years ago

4 0

Answer:

XY = 6

Step-by-step explanation:

Since line n bisects XY, there are two congruent segments.

1. 5x + 8 = 9x + 12

2. 4x = -4

3. x = -1

4. subtitute x into the equations to get 3 + 3 = 6

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denis-greek [22]

Answer:

Step-by-step explanation:

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3 years ago

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3 years ago

There are 20 pieces of fruit in a basket and 12 of them are oranges . what percentage of the pieces of fruit in the basket are o

natima [27]

Answer:

60% or 0.6

Step-by-step explanation:

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2 years ago

What is the fourth term in the binomial expansion (a+b)^6)

Dafna11 [192]

Answer:

$20a^3b^3$

Step-by-step explanation:

Binomial Series

$(a+b)^n=a^n+\dfrac{n!}{1!(n-1)!}a^{n-1}b+\dfrac{n!}{2!(n-2)!}a^{n-2}b^2+...+\dfrac{n!}{r!(n-r)!}a^{n-r}b^r+...+b^n$

Factorial is denoted by an exclamation mark "!" placed after the number. It means to multiply all whole numbers from the given number down to 1.

Example: 4! = 4 × 3 × 2 × 1

Therefore, the fourth term in the binomial expansion (a + b)⁶ is:

$\implies \dfrac{n!}{3!(n-3)!}a^{n-3}b^3$

$\implies \dfrac{6!}{3!(6-3)!}a^{6-3}b^3$

$\implies \dfrac{6!}{3!3!}a^{3}b^3$

$\implies \left(\dfrac{6 \times 5 \times 4 \times \diagup\!\!\!\!3 \times \diagup\!\!\!\!2 \times \diagup\!\!\!\!1}{3 \times 2 \times 1 \times \diagup\!\!\!\!3 \times \diagup\!\!\!\!2 \times \diagup\!\!\!\!1}\right)a^{3}b^3$

$\implies \left(\dfrac{120}{6}\right)a^{3}b^3$

$\implies 20a^3b^3$

7 0

2 years ago

I need help with 1-4

seraphim [82]

Answer:

1) Point form (1,-4) Equation form x=1,y=-4

2) Point form (1,-2) Equation form x=1,y=-2

3) y=-23+7x

4) Point form (2,-2) Equation form x=2,y=-2

Step-by-step explanation:

For number 3 thats all i could get

3 0

3 years ago