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Shtirlitz [24]
2 years ago
7

The absolute value of

Mathematics
1 answer:
MatroZZZ [7]2 years ago
5 0
The correct answer is d
You might be interested in
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
-6.4 = z/6<br>what does z =?​
Alecsey [184]

Answer:

-38.4

Step-by-step explanation:

Multiply both sides by 6 to get rid of the /6 then you would get z alone

4 0
2 years ago
During the month of June, Ava kept track of the number of days she saw birds in her garden. She saw birds on 18 days of the mont
kirza4 [7]
There are 30 days in the month of June. Out of the 30 days, Ava saw birds on 18.

P(bird)=18/30

We can simplify the fraction by dividing both sides by 2.

P(bird)=18/30=9/15

9/15=0.6=60%

Theres a 9/15 or 60% chance that she will see a bird on July 1st.


3 0
3 years ago
5. (03.02 MC)
inn [45]

Answer:

f(4) =2

Step-by-step explanation:

f(x) = 2х^2 - 30,

Let x=4

f(4) = 2 (4)^2 -30

     = 2*16 -30

       =32-30

      = 2

6 0
2 years ago
The dimensions of a rectangle can be given by x+9 and x-2. If the area is 60ft^2, what is the value of X?
Veronika [31]

Answer:

6

Step-by-step explanation:

(x + 9) * (x - 2) = 60

x^2 - 2x + 9x - 18 = 60

x^2 + 7x - 18 = 60

x^2 + 7x = 78

FACTORING:

x(x + 7) = 78

x = 6

6 0
3 years ago
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