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3 years ago

.. Find the L.C.M. of (a - 5)(a – 4) and (a + 4)(a – 5)

Mathematics

2 answers:

Gemiola [76]3 years ago

4 0

Answer:

a-5 a-5 and a+4 a-5

Step-by-step explanation:

a-10 and a-1

this is the answer.

andrew-mc [135]3 years ago

3 0

A-5 A-5 AND A-4 A-5

A-10 AND A-1

Hope it helps you

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Solve for x. Round your answer to the nearest tenth.

valkas [14]

Answer:

1. x = 11.5

2. x = 14.35

Step-by-step explanation:

$1. \: sin(angleBAC) = \frac{BC}{AB}$

$sin(35°) = \frac{x}{20}$

x = 11.472 ≈ 11.5

$2. \: tan(angleBAC) = \frac{BC}{AB}$

$tan(64°) = \frac{x}{7}$

x = 14.352 ≈ 14.35

HOPE THIS HELPS AND HAVE A NICE DAY <3

5 0

2 years ago

Which is a factor of 54xy + 45x + 18y + 15?

Korvikt [17]

Upon slight rearrangement...

54xy+18y+45x+15 now factor 1st and 2nd pair of terms

18y(3x+1)+15(3x+1) which is equal to

(18y+15)(3x+1) and you can further factor the first binomial factor

3(6y+5)(3x+1)

7 0

4 years ago

I need help with the rest of my algebra fraction homework on Page's 11,12,14, 16 and 18. Is there anybody willing to help me wit

mrs_skeptik [129]

Answer:

11. B

12. A

14. C

16. D

18. A

8 0

4 years ago

Any help with this question

Leya [2.2K]

It’s equals 176 square cm

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3 years ago

when asked to factor the x^2 - 100, a student gives the answer (x -10) (x-10). what is wrong with this answer?

aalyn [17]

$x^2-100\\\\=x^2-10^2\\\\=(x+10)(x-10)\\\\\text{The difference of two squares formula is}~ a^2 -b^2 =(a+b)(a-b),\\\\\text{So, the student did not apply it properly}$

3 0

2 years ago

.. Find the L.C.M. of (a - 5)(a – 4) and (a + 4)(a – 5)​

.. Find the L.C.M. of (a - 5)(a – 4) and (a + 4)(a – 5)