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Digiron [165]
3 years ago
7

5) 18 x1

Mathematics
1 answer:
elena55 [62]3 years ago
7 0

Answer:

C

Step-by-step explanation:

hope this helps!!! have a nice day

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Multiply: (2x2 − 5x)(4x2 − 12x + 10)
11Alexandr11 [23.1K]
(2x^2-5x)(4x^2-12x+10) = <span>8x^4 - 44x^3 + 80x^2 - 50x

So, the answer is option C.</span>
5 0
3 years ago
Find parametric equations through point P=(2,2,7) in the direction of the vector v = (44, 14, -20)?
ycow [4]

9514 1404 393

Answer:

  (x, y, z) = (2+44t, 2+14t, 7-20t)

Step-by-step explanation:

One way to write parametric equations for line L is ...

  L = P + t·<em>v</em>

where P is the given point and <em>v</em> is the given direction vector. Using that form, we have ...

  (x, y, z) = (2+44t, 2+14t, 7-20t)

__

If you like, you can remove a common factor of 2 from the coefficients of t.

  (x, y, z) = (2+22t, 2+7t, 7-10t)

5 0
2 years ago
A man ordered 4 times as many boxes of ballpoint pens as boxes of felt-tip pens. Ballpoint pens cost $4.41 per box, and felt-tip
natka813 [3]

Answer:

3

Step-by-step explanation:

Let x = # of boxes of felt-tip pens.

(x)(3.44)+(4x)(4.41) = 63.24

21.08x = 63.24

x = 3

Because x = 3, the man bought 3 boxes of felt-tip pens and 12 boxes of ballpoint pens.

6 0
2 years ago
I need help ASAP thank you so much
marissa [1.9K]

Answer:

The answer is the second option

(2,3), (-1,3), (-1,6)

Step-by-step explanation:

6 0
3 years ago
45 Points! Please explain your answer! Brainliest to whoever does the best!
Alex73 [517]

Answer:

\sf \boxed{\sf \frac{3}{2} } \ miles \  per  \ day

Explanation:

\sf unit \ rate: \dfrac{Total \ distance \  (miles)}{Total \ time \ taken \ (day)}

Here given:

Total \ Distance : 8\dfrac{1}{4} \ or \ 8.25

Total \ Time \ taken : 5\dfrac{1}{2} \ or \ 5.5

Find unit rate:

\rightarrow \sf unit \ rate: \dfrac{8.25 }{5.5 }

\rightarrow \sf unit \ rate: 1.5 \ miles \ per \ day

7 0
2 years ago
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