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svet-max [94.6K]
3 years ago
9

Please help me!!! I have more points for this!

Mathematics
1 answer:
olga2289 [7]3 years ago
7 0

Answer:

Thanks for the points :)>

Step-by-step explanation: yeahhh shawtyyy

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Multiply
Paraphin [41]

Answer:

B. 20x^4-39x^3+26x^2-6x

Step-by-step explanation:

(5x^2-6x+2)*(4x^2-3x)

20x^4 -15x^3 -24x^3 + 18 x^2 +8x^2 - 6x

20x^4 -39x^3 + 26x^2  - 6x

5 0
3 years ago
3+1+2+4+2+2+1+4+2+2+2+11+2+2+1+2+1111111111
sertanlavr [38]

Answer:

1,111,111,154

Explanation:

<em>Willing to help, hope you're having a splendiferous day...</em>

<em>Willing to help, hope you're having a splendiferous day... </em>

5 0
2 years ago
Read 2 more answers
If f = 350i - 250j - 450k6 n and cable ab is 9 m long, determine the x, y, z coordinates of point a
ycow [4]
<span> we know the length of the cable is 9m.
That means the magnitude of  </span><span><span>r<span><span>​<span>AB</span></span><span>​​</span></span></span>=9</span><span>m.
The unit vector, denoted u, is each of </span><span>r<span><span>​<span>AB</span></span><span>​​</span></span></span><span> divided by the magnitude.

</span>u=<span>(<span>​​<span>​x/9</span><span>​​</span></span>i−<span>​y/9<span>​​</span></span>j−<span>​z/9<span>​​</span></span>k<span>)

</span></span><span>We can also figure out the unit vector of F. 
</span>u=​(350i - 250j - 450k)/√(350² +(-250)² +(-450)²)
u=0.562i−0.401j−0.723<span>k
</span>
<span>Force F is directed from point A to B, then both unit vectors must be equal.

Therefore
</span>(​​​x/9​​i−​y/9​​j−​z/9​​k)=0.562i−0.401j−0.723k
<span>We can now solve for each term
x/9=0.562----- > x=5.058 m
-y/9=-0.401--------- > y=3.609 m
-z/9=-0.723------- > z=6.507 m

The answer is
the coordinates of point a
(5.058,3.609,6.507)
</span>
6 0
3 years ago
Express 900cmcubic in dm cubic​
Andrew [12]

Answer:

0.9 dm³

Step-by-step explanation:

1 dm = 10cm

1 dm³ = 10cm×10cm×10cm = 1000 cm³

1000 cm³ .............. 1 dm³

900 cm³ ................x dm³

x = 900×1/1000 = 0.9 dm³

6 0
3 years ago
Read 2 more answers
Ms. Turner drove 825 miles in March. She drove 3 times as many miles in March as she did in January. She drove 4 times as many m
navik [9.2K]
825/3 = 275 which is how many miles she drove in January.

275*4= 1100 which is how many miles she drove in February. 

Ms. Turner drove 1100 miles in February. 
4 0
3 years ago
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