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Elena-2011 [213]

3 years ago

15

Find the real-number root -81

1 answer:

oee [108]3 years ago

4 0

The answer is 9 sorry if this is wrong

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Please solve this. Thanks

svlad2 [7]

$\text{Let}\ k:y=m_1x+b_1\ \text{and}\ l:y=m_2x+b_2.\\\\l\ \parallel\ k\iff m_1=m_2\\\\\text{We have}\\\\L_1:y=5x+1\to m_1=5\\\\L_2:2y-10x-3=0\qquad\text{add 10x and 3 to both sides}\\\\L_2:2y=10x+3\qquad\text{divide both sides by 2}\\\\L_2:y=5x+1.5\to m_2=5\\\\m_1=m_2\ \text{therefore}\ l_1\ \text{and}\ L_2\ \text{are parallel.}$

3 0

3 years ago

Which property is demonstrated below? (b·c)d=b(c·d) A. associative property B. distributive property C. commutative property D.

Snezhnost [94]

Answer:

associative

Step-by-step explanation:

8 0

3 years ago

Read 2 more answers

3. Ken solved the linear equation 2(5y - 1) = 18 using the following steps.

OlgaM077 [116]

Answer:

A

Step-by-step explanation:

he actually made a mistake in second step. Step 2 should be: 10y-2=18 and then 10y=18+2

we get 10y=20 /:10

y = 2

7 0

3 years ago

Read 2 more answers

Absolute value of -18.26

Effectus [21]

The absolute value is 18.26

4 0

3 years ago

On a piece of paper, graph f(x)= x if x<1

Deffense [45]

Answer:

B is the answer

Step-by-step explanation:

fjshrnxjcnf s

3 0

3 years ago