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sdas [7]
3 years ago
15

Simplify the expression. helppp me plz do it right (xy)3·(–3x4y2)

Mathematics
2 answers:
klemol [59]3 years ago
7 0
I suggest you get photo math

Maru [420]3 years ago
7 0

Answer:

-3x^7y^5

Step-by-step explanation:

I assume the number 3 after parentheses is an exponent. I also assume that 4 after x and 2 after y are exponents. If so, please use the symbol ^ to show clearly it's an exponent.

(xy)^3 · (-3x^4y^2) =

= x^3 * y^3 * (-3x^4y^2)

= -3x^7y^5

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I need help please it’s due tomorrow.......
Sholpan [36]
Let
x-------> the width of the rectangular area
y------> the length of the rectangular area

we know that
y=x+15------> equation 1
perimeter of a rectangle=2*[x+y]
2x+2y <= 150-------> equation 2

substitute 1 in 2
2x+2*[x+15] <=150--------> 2x+2x+30 <=150----> 4x <=150-30
4x <= 120---------> x <= 30
the width of the rectangular area is at most 30 ft
y=x+15
for x=30
y=30+15------> y=45
 the length of the rectangular area is at most 45 ft

see the attached figure
the solution is<span> the shaded area</span>

4 0
2 years ago
Is this table proportional or non-proportional?
tatyana61 [14]

Answer:

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5 0
3 years ago
Q is equidistant from the sides of ZTSR. Find mZRST. The
melisa1 [442]

9514 1404 393

Answer:

  40°

Step-by-step explanation:

Triangles QRS and QTS are congruent (HL), so the marked angles are also congruent:

  3x +2 = 4x -4

  6 = x

Then the total angle measure of angle RST is ...

  (3x +2) +(4x -4) = 7x -2 = 7(6) -2 = 40 . . . degrees

m∠RST = 40°

6 0
3 years ago
Point a,b and are collinear and b bet a,c if ab=48,ab=2x +2,and bc=3x+6 what is bc?​
koban [17]
8 bra cause that’s the answer I got for sure
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Which number is the least prime number: 0, 1, 2, or 3?
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1 is the least prime number
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