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NISA [10]
3 years ago
8

Help me (10 points )

Mathematics
1 answer:
Ipatiy [6.2K]3 years ago
8 0

Answer:x=10

Step-by-step explanation:x x2

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How to answer this on descending powers of x please help pretty please
zheka24 [161]

Answer:  25x² - 64

<u>Step-by-step explanation:</u>

  (5x + 8)(5x - 8)

=        5x(5x - 8)   +    8(5x - 8)

=      25x² - 40x    +    40x - 64

=      25x²         + 0x           - 64

=              \large\boxed{25x^2-64}

NOTE: descending powers means the biggest exponent goes first, then the next biggest exponent, etc.

For example: x⁴ then x³ then x² then x then the number (which is actually x⁰)

4 0
3 years ago
7 3/10 as a percentage
Harlamova29_29 [7]
7 3/10 in percent would be 7.3 \times 100 = 730%

730%

percent means over 100

So... 730% = 730/100 = 7.3
3 0
3 years ago
Read 2 more answers
1. If m&lt; 1 = 7x + 6 and m2 2 = 8x – 6, find the value of x so that p is<br> perpendicular to q.
Tatiana [17]

Answer:

7x + 6 =8x - 6

x= 12

Step-by-step explanation:

  1. put them equal to each other
  2. then subtract 8x from both sides
  • 7x(-8x) + 6 = 8x(-8x) - 6
  1. to get -1x
  • -1x + 6 = -6
  1. then subtract 6 from both sides
  • -1x +6(-6) = -6(-6)
  1. you'll get -1x = -12
  2. then divide -1 to both sides
  • -1x/-1 = -12/-1
  1. then you get x = 12
3 0
3 years ago
Quick help guys thanks :)
Sonbull [250]

Answer:

\large\boxed{t^{-58}u^{-88}v^{-71}w^{-1}}

Step-by-step explanation:

\dfrac{tuv^4w^0}{t^{59}u^{89}v^{75}w}\qquad\text{use}\ \dfrac{a^n}{a^m}=a^{n-m}\\\\=t^{1-59}u^{1-89}v^{4-75}w^{0-1}=t^{-58}u^{-88}v^{-71}w^{-1}

8 0
3 years ago
Select the correct answer
Citrus2011 [14]

Answer:

1/5 start with A

Step-by-step explanation: 5*5=25 possible combos 5 of which will be starting with A. 5/25 can be simplified to 1/5

3 0
3 years ago
Read 2 more answers
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