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frosja888 [35]
2 years ago
7

Which identity could be used to rewrite the expression x^4-100?

Mathematics
2 answers:
zzz [600]2 years ago
8 0
Given the polynomial of degree 4, this can be written as:
x^4-100
let
x^2=a
thus the expression can be written as:
a^2-100
this is a polynomial of degree 2 also known as quadratic equation.
Hence the answer is:
<span>A) Quadratic formula</span>
Llana [10]2 years ago
7 0

Answer: D: difference of squares (apex)


Step-by-step explanation:


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The percent decrease from 12 to 9 is equal to the percent decrease from 40 to what number
Zina [86]
(12 - 9) / 12 = (40 - x) / 40
3/12 = (40 - x) / 40
40(1/4) = 40 - x
10 = 40 - x
10 - 40 = -x
-30 = -x
30 = x <=== percent decrease from 40 to 30
8 0
2 years ago
KC has a piece of gum stuck to her bike tire, which applies a forward torque (i.e. a force to roll forwards) on the tire's movem
Kruka [31]

Answer:

  t(d) = 0.01cos(5π(d-0.3)/3)

Step-by-step explanation:

Since we are given the location of a maximum, it is convenient to use a cosine function to model the torque. The horizontal offset of the function will be 0.3 m, and the horizontal scaling will be such that one period is 1.2 m. The amplitude is given as 0.01 Nm.

The general form is ...

  torque = amplitude × cos(2π(d -horizontal offset)/(horizontal scale factor))

We note that 2π/1.2 = 5π/3. Filling in the given values, we have ...

  t(d) = 0.01·cos(5(d -0.3)/3)

6 0
2 years ago
Read 2 more answers
While her husband spent 2½ hours picking out new speakers, a statistician decided to determine whether the percent of men who en
sveticcg [70]

Answer:

Men can be concluded to enjoy shopping electronic activity more than women, but in weekend days. The case might not hold true for week working days also.

Step-by-step explanation:

To study :  whether the percent of men who enjoy shopping for electronic equipment is higher than the percent of women who enjoy that.

  • Out of 67 men, 24 said they enjoyed the activity

So, % of men enjoying the activity  = (24 / 67) x 100

= 35.82%

Out of 24 women, 8 said that they enjoyed the activity

So, % of women enjoying the activity = (8 / 24) x 100

= 33.33%

4 0
2 years ago
What is greater than 1.45? A. 0.009 B. 0.019 C. 0.0032 D. 0.0177
8_murik_8 [283]

Answer:

none of them are greater than 1.45

8 0
2 years ago
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A box of chocolates contains five milk chocolates, three dark chocolates, and four white chocolates. You randomly select and eat
PolarNik [594]

Answer:

60/220

Step-by-step explanation:

we use combination,

(\frac{5}{1} )  \times  ( \frac{4}{1} ) \times ( \frac{3}{1} )

5 \times 4 \times 3 = 60

then, all divided by,

(\frac{12}{3}) = 220

60 \div 220

3 0
2 years ago
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