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Archy [21]
3 years ago
9

Simplify : (-3a ³b) • (3a ⁴b ³) A: -9a ¹²b ³ B: -9(ab) ¹² C: -9a ⁷b ⁴ D: -27a ⁷b ⁴

Mathematics
1 answer:
Goshia [24]3 years ago
8 0
This is the answer for your question above

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A mixture requires 4 cups of water for every 7 cups of flour used. Use the ratio table to determine how many cups of water shoul
mr Goodwill [35]

Answer:

16 cups of water

Step-by-step explanation:

You find this by  dividing 28 by your ratio of flour to get 4, then multiplying the cups of water, 4, by 4 to get 16 cups of water

4 0
3 years ago
Plz help meh
dusya [7]

Answer:

Step-by-step explanation:

The rock will hit the surface when its height equals zero.

t^2-8t-10=0

t^2-8t=10

t^2-8t+16=10+16

(t-4)^2=26

t-4=+(26^(1/2))

t=4+(26^(1/2))

t=9.1s

8 0
2 years ago
The polynomial f(x) leaves a remainder of - 3 and - 7 when divided by (3x - 1) and (x +1) respectively.
olga55 [171]

Step-by-step explanation:

Here, f(x) is the given polynomial.

By remainder Theorem,

When divided by (3x-1),

f(1/3) = -3........(1)

When divided by (x+1),

f(-1) = -7.........(2)

<em>Another</em><em> </em><em>polynomial</em><em> </em><em>is</em><em> </em><em>3</em><em>x</em><em>²</em><em>+</em><em>2</em><em>x</em><em>-</em><em>1</em>

Solving,

3x²+2x-1

= 3x²+3x-x-1

=3x(x+1)-(x+1)

=(3x-1)(x+1)

So

f(x) = (3x-1)(x+1)Qx + (ax+b)

For f(-1),

-7 = -a+b

b= a-7

For f(1/3),

-3 = a/3+b

or, -3 = a/3+a-7

or, 4×3 = 4a

or a = 3

Also, b = 3-7 =-4

Hence, remainder is (3x-4)

7 0
3 years ago
Can someone explain why this is right!?
MArishka [77]

Answer:

be itshwhehehee such brush hahbshkd

4 0
3 years ago
The average marks for 25 students in a mathematics was was 48.
zhuklara [117]

Answer:

132

Step-by-step explanation:

48

+ 84

--------

132

_____

5 0
2 years ago
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