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2 years ago

Trình bày nội dung của phương pháp bình phương bé nhất. Phân biệt phương pháp

Mathematics

1 answer:

Dahasolnce [82]2 years ago

5 0

Answer:

Lili cam estate like gnat hft door should be your answer

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1. Which expression is equivalent to (y + 7) - (-8y + 14)?

zimovet [89]

Answer:

Step-by-step explanation:

(y + 7) - (-8y + 14) = y + 7 + 8y - 14 = 9y - 7

5 0

2 years ago

What is the slope of the line passing through (1, 2) and (3, 3)?

enot [183]

Answer:

Slope is 1/2

Step-by-step explanation:

Using the slope formula y₂-y₁/x₂-x₁

(x₁,y₁) and (x₂,y₂) → (1,2) and (3,3)

So...

3-2=1

3-1=2

1/2

8 0

2 years ago

What is the value of the expression

Stels [109]

$(-\dfrac{3^2}{3^3} )^2 = (-\dfrac{1}{3} )^2 = \dfrac{1}{9}$

OR (in more details):

$(-\dfrac{3^2}{3^3} )^2 = (-3^{2-3})^2 = (-3^{-1})^2 = (-\dfrac{1}{3} )^2 = \dfrac{1}{9}$

5 0

3 years ago

Read 2 more answers

Can someone nice enough help me ASAP this is 5th Grade Math!

iren [92.7K]

Hello from MrBillDoesMath!

Answer:

"He plans to sell the carrots for $5 per bunch..." is not needed

Discussion:

The question asked is "About how many bunches will the farmer make? The text "He plans to sell the carrots for $5 per bunch..." is not needed as it does not relate to the question asked.

Regards,

MrB

4 0

3 years ago

Read 2 more answers

1. Write an equation in slope-intercept form for a line passing through (-3,3) with a slope of 1.

PIT_PIT [208]

$\bf (\stackrel{x_1}{-3}~,~\stackrel{y_1}{3})~\hspace{10em} slope = m\implies 1 \\\\\\ \begin{array}{|c|ll} \cline{1-1} \textit{point-slope form}\\ \cline{1-1} \\ y-y_1=m(x-x_1) \\\\ \cline{1-1} \end{array}\implies y-3=1[x-(-3)] \\\\\\ y-3=1(x+3)\implies y-3=x+3\implies y=x+6$

$\bf (\stackrel{x_1}{-4}~,~\stackrel{y_1}{2})\qquad (\stackrel{x_2}{1}~,~\stackrel{y_2}{12}) \\\\\\ slope = m\implies \cfrac{\stackrel{rise}{ y_2- y_1}}{\stackrel{run}{ x_2- x_1}}\implies \cfrac{12-2}{1-(-4)}\implies \cfrac{10}{1+4}\implies \cfrac{10}{5}\implies 2 \\\\\\ \begin{array}{|c|ll} \cline{1-1} \textit{point-slope form}\\ \cline{1-1} \\ y-y_1=m(x-x_1) \\\\ \cline{1-1} \end{array}\implies y-2=2[x-(-4)]\implies y-2=2(x+4) \\\\\\ y-2=2x+8\implies y=2x+10$

8 0

3 years ago