3 years ago

Simplify 15x^5y^5/25xy^9

Mathematics

1 answer:

Verdich [7]3 years ago

6 0

15x⁵y⁵ = 3x⁴
25xy⁹ y⁴

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Evaluate the expression when a=3 and c = -2. C-5a

Igoryamba

Answer:

-17

Step-by-step explanation:

c - 5a

substitute c for -2

-2 - 5a

substitute a for 3

-2 - 5*a

-2 - 5*3

-2 - 15

-17

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3 years ago

Which pair of numbers are not opposites?

Vinvika [58]

A
The absolute value of -27 is 27, so it is the same number

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If F (x) =8+11 X-3X², find a. What is F (5)? b. What is F (x + b)? c. What is F (-3)?

stepladder [879]

Answer:

a) -12

b) 8+11x+11b-3x^2-3b^2-6xb

c)-52

Step-by-step explanation:

in a) we have to substitute the value of x with 5

in b) we substitute the value of x with (x+b) and then simplify

in c) just have to substitute x with -3

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2 years ago

Okay I know I suck at math and I really don't understand math that well so can you help me on this??? Thank you!

Alja [10]

W - width
l - length
p - perimeter

The perimeter is 72 cm (p=72).
The length is twice the width (l=2w).
The formula for perimeter is 2w+2l=P.

$p=72 \\
l=2w \\ \\
2w+2l=p \\
2w+2 \cdot 2w=72 \\
2w+4w=72 \\
6w=72 \\
w=12 \\ \\
l=2w=2 \cdot 12 =24$

Check the answer:
$2 \cdot 12 + 2 \cdot 24 \stackrel{?}{=} 72 \\
24+48 \stackrel{?}{=} 72 \\
72 \stackrel{?}{=} 72 \\ \hbox{true}$

The length of the photo is 24 cm, the width of the photo is 12 cm.

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When a quadratic equation has a repeated solution it's called

Talja [164]

A blank root or a root of blank

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3 years ago