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3 years ago

Solve this system of equations using the substitution method. If the system of equations

Mathematics

1 answer:

sleet_krkn [62]3 years ago

3 0

Answer:

well i dont really get ehat yours saying but the qustions are

3x+y=5

3^1+1=5

and then

4z+2y=20

i think

4^6+2^6=20

Step-by-step explanation:

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Please help

bonufazy [111]

Answer:

1. 50 is 20% of 250

Step-by-step explanation:

In order to find any of these, use the equation.

Number/Out of = %

Then plug in the values

50/x = .20

Then solve by cross multiplying

50 = .20x

250 = x

4 0

4 years ago

1. Which point is located at (-2,-6)

andriy [413]

1 k
2 n j f
3 (-3,1)
that what i think they are

7 0

3 years ago

Read 2 more answers

Graph triangle XYZ with vertices X(0, -4), Y (4, -1), and Z(6, -3) on the coordinate grid.

gogolik [260]

Answer:

Step-by-step explanation:

6 0

3 years ago

Expand (2x + 3)^5 using the Binomial Theorem and Pascal’s triangle. Show all steps.

kari74 [83]

Answer:

32x⁵ + 240x⁴ + 720x³ + 1080x² + 810x + 243

Step-by-step explanation:

(2x + 3)⁵

₅C₀ (2x)⁵ (3)⁰ + ₅C₁ (2x)⁴ (3)¹ + ₅C₂ (2x)³ (3)² + ₅C₃ (2x)² (3)³ + ₅C₄ (2x)¹ (3)⁴ + ₅C₅ (2x)⁰ (3)⁵

Use Pascal's triangle to find nCr.

$\left\begin{array}{c}1\\1\ 1\\1\ 2\ 1\\1\ 3\ 3\ 1\\1\ 4\ 6\ 4\ 1\\1\ 5\ 10\ 10\ 5\ 1\end{array}\right$

1 (2x)⁵ (3)⁰ + 5 (2x)⁴ (3)¹ + 10 (2x)³ (3)² + 10 (2x)² (3)³ + 5 (2x)¹ (3)⁴ + 1 (2x)⁰ (3)⁵

(2x)⁵ + 15 (2x)⁴ + 90 (2x)³ + 270 (2x)² + 405 (2x)¹ + 243

32x⁵ + 240x⁴ + 720x³ + 1080x² + 810x + 243

7 0

3 years ago

Hi! I would really appreciate it if you can help me with this problem.

miss Akunina [59]

GCF: 2v5
2v5(4v+1+5v4)

7 0

3 years ago