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Katyanochek1 [597]
3 years ago
15

Which expression is equivalent to 10- (2x^3 + 11x^2 - 2x - 35)

Mathematics
1 answer:
Semenov [28]3 years ago
5 0

Answer:

22x^2+x+3

Step-by-step explanation:

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Lines a and b are perpendicular. Which statements below must be true? Select all that apply. The slopes of lines a and b are rec
Semenov [28]

Answer:

When the slopes of lines a and b are multiplied, the product is −1.

Line a and line b intersect to form four right angles.

Step-by-step explanation:

Given

Perpendicular lines a and b

Required

Select the true statements

Represent the slope of line a with m_1 and the slope of b with m_2.

The condition for perpendicularity is:

m_1 * m_2 = -1

Solving further:

m_1 = -\frac{1}{m_2}

To solve further, we need to analyze each of the given options

(a) This is not true because the slope of perpendicular lines are not reciprocal

(b) This is also not true because perpendicular lines do not necessarily have to intersect at their midpoints

(c) This is true because of the condition stated above: m_1 * m_2 = -1

(d) This is also true because perpendicular lines form right angles when they intersect

(e) This is not true because of the condition stated above: m_1 = -\frac{1}{m_2}

(f) This is not true because of the condition stated above: m_1 = -\frac{1}{m_2}

5 0
3 years ago
Please help me out with those questions...
Taya2010 [7]

Answer:

D

Step-by-step explanation:

6 0
3 years ago
If a and b are both positive numbers and a values?
lorasvet [3.4K]
Your question isn’t clear
7 0
3 years ago
john is knitting a blanket. he records the length he knits each day. how many more inches does john need to knit so the blanket
sammy [17]

Answer:

60 - 16 =  44

He has to knit 44 more inches so the blanket is 6o inches long.

Hope this helps <3

6 0
3 years ago
A street in San Francisco rises 20 feet for every 100 feet horizontally. What is the measure of the angle of elevation,
SIZIF [17.4K]

Answer:

11°

Step-by-step explanation:

tan ∅ = 20/100 = 0.2

∅ = 11.31°

5 0
2 years ago
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