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Marina86 [1]
3 years ago
6

Plz help me with12-13

Mathematics
1 answer:
sladkih [1.3K]3 years ago
3 0
12.So u know is means equal to. and of means multiply. so ur equation is 50%x200. Your answer is 100
13. Same thing just different numbers. 250% times  4.2 equals 10.5
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Simplify (3v5+8v3−10v2)−(−12v5+4v3+14v2) . Write answer in standard form.<br> ​<br> ​
Tatiana [17]

Answer:

15v^5+4v^3-24v^2

Step-by-step explanation:

Distribute the Negative Sign:

=3v5+8v3−10v2+−1(−12v5+4v3+14v2)

=3v5+8v3+−10v2+−1(−12v5)+−1(4v3)+−1(14v2)

=3v5+8v3+−10v2+12v5+−4v3+−14v2

Combine Like Terms:

=3v5+8v3+−10v2+12v5+−4v3+−14v2

=(3v5+12v5)+(8v3+−4v3)+(−10v2+−14v2)

=15v5+4v3+−24v2

Answer:

=15v5+4v3−24v2

Hope this helps! :)

5 0
3 years ago
Hi!pls can u help me factorise this​
soldier1979 [14.2K]

Answer:

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Step-by-step explanation:

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6 0
3 years ago
Read 2 more answers
3x+4=52 solve for x please?
Goshia [24]
3x+4=52
-4       -4
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6 0
3 years ago
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The diagonals of a rectangle have length 12 and intersect in a 40 degree angle. Find the length and width rounded to the nearest
Tamiku [17]

Answer:

Length is 7.7 and width is 9.2

Step-by-step explanation:

The length and width of the rectangle will be the y and x coordinate of the diagonal line at angle of 40 degrees

Length L = dsin theta

Width W = d coos theta

d is the length of the diagonal

Given

d  = 12

theta = 40°

Substitute

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Length = 12(0.6428)

Length = 7.7135

Length ≈ 7.7

Width = 12cos 40

Width = 12(0.7660)

Width = 9.192

Width = 9.2

Hence the length is 7.7 and width is 9.2

4 0
2 years ago
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Delvig [45]
Because it volume is 175 ,it base area is 175/7=25 that is the square's area.
S=a2 ,a=side of the base.so a=5
 

6 0
3 years ago
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