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alexandr402 [8]
3 years ago
14

Need help will mark brainliest

Mathematics
2 answers:
geniusboy [140]3 years ago
4 0

Ans67

Step-by-step explanation:

Oliga [24]3 years ago
4 0
I think it is B. I’m not sure
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25 decreased four times n
disa [49]
The answer is 4n-25
4 times n is 4 n 

and 25 decreased or subtracted from the 4n 
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8 0
3 years ago
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Find the cosine of the angle between the planes x+y+z=0 and 4x+3y+z=1.<br><br> Answer: cosθ=
marta [7]

The angle between the planes is the same as the angle between their normal vectors, which are

<em>n</em><em>₁</em> = ⟨1, 1, 1⟩

<em>n</em><em>₂</em> = ⟨4, 3, 1⟩

The angle <em>θ</em> between the vectors is such that

⟨1, 1, 1⟩ • ⟨4, 3, 1⟩ = ||⟨1, 1, 1⟩|| ||⟨4, 3, 1⟩|| cos(<em>θ</em>)

Solve for cos(<em>θ</em>) :

4 + 3 + 1 = √(1² + 1² + 1²) √(4² + 3² + 1²) cos(<em>θ</em>)

8 = √3 √26 cos(<em>θ</em>)

cos(<em>θ</em>) = 8/√78

4 0
3 years ago
A car dealership sold 153 cars in 3 months. At what rate did the dealership sell cars in cars per month?
Dima020 [189]

Answer:

51

Step-by-step explanation:

Divide 153 by 3 and you get 51

7 0
3 years ago
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What is the slope-intercept form of the equation of the line that contains the points (3, 8) and (6,5) ?
Rashid [163]
The answer is y=-1x +11
4 0
3 years ago
Which of the following is the value of m?<br><br> A. 18.5<br><br> B. 14.5<br><br> C. 29
Elanso [62]
The answer is 14.5 because :

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3 years ago
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