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oee [108]
3 years ago
10

Find the square: (5x - 4y)2 (and please put the process of solving the equation)

Mathematics
1 answer:
satela [25.4K]3 years ago
7 0
(5x-4y)^2
(5x-4y)(5x-4y)

Multiply each term in one bracket in turn by the terms in the other bracket

(5x)(5x) = 25x^2
(5x)(-4y)=-20xy
(-4y)(5x)=-20xy
(-4y)(-4y)=16y^2

Put them together we have
25x^2-20xy-20xy-16y^2
25x^2-40xy-16y^2
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Can someone help me pls thanks
patriot [66]

If 4600 corresponds with 100, multiply 4600 by .09 and you get 414.

Also:

46 * 9 = 414

5 0
3 years ago
Which expression is equivalent to 4(3x+2)-5x <br><br> A = 7x+2<br> B = 7x+8<br> C+12x+2<br> D=2x+8
inessss [21]

Answer:

B) 7x + 8

Step-by-step explanation:

distribute 4 first to get:

12x + 8 - 5x

combine like terms to get:

7x + 8

5 0
3 years ago
Read 2 more answers
Please explain step by step on how you got the answer.
Jobisdone [24]
The answer is 21

First you po perenthies which would be 8-6=2 the equation now is 5+4×(2)2

Then you to exponents which would be 2×2=4 the equation now is 5+4×4

Now you multiply 4×4=16 the equation is now 5+16

Now you add 5 and 16 to get 21
7 0
3 years ago
The figure below shows the ideal pattern of movement of a herd of cattle, with the arrows showing the movement of the handler as
mafiozo [28]

Based on the theory, the distance from the starting point to the return point = Arc length = 109.9 feet.

<h3>What is the Length of an Arc?</h3>

Arc length = ∅/360 × 2πr

Since the sector formed is a quarter circle, then ∅ = 90°.

Raidus (r) = 70 ft

Distance from the starting point to the return point = arc length.

Arc length = ∅/360 × 2πr =  90/360 × 2π(70)

Arc length = 109.9 feet

Therefore, based on the theory, the distance from the starting point to the return point = Arc length = 109.9 feet.

Learn more about the arc length on:

brainly.com/question/2005046

3 0
2 years ago
Read 2 more answers
Pls help. this is oddly confusing ​
labwork [276]

Answer:

Step-by-step explanation:

first one is true because rational numbers are numbers that can be expressed in the form a/b where a and b are integers

second - not true because 17.5 can be expressed as a fraction which is 175/10

third - not true  because square root of 6 cannot be expressed in the form a/b

fourth - true

fifth - not true

5 0
3 years ago
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