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Rudik [331]
3 years ago
11

Which of these is NOT equivalent to 2-^3.

Mathematics
1 answer:
shusha [124]3 years ago
7 0
<span>2^2 times 2^-5 i think but i am not positive</span>
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A circle with a radius of 5 cm has an area of 25π cm2. Which is the best approximation for the area of one-half of this circle?
kotegsom [21]

Answer:

A

Step-by-step explanation:

π=3.14159...

Full circle are 25π cm² = 25*3.14=78.5 cm²

Half 78.5 cm²/2 = 39.25 cm²

4 0
2 years ago
How to determine if set of vectors is linearly independent?
zimovet [89]
The vectors \{v_1,v_2,...,v_p\}\in \mathbb{R}^n are linearly independent if the ONLY solution to the following equation:

c_1v_1+c_2v_2+...c_pv_p=0

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7 0
3 years ago
H(t)=(t+3)^2+5
sineoko [7]

Answer:

Option C. −4≤t≤−3

Step-by-step explanation:

we have

H(t)=(t+3)^2+5

This is the equation of a vertical parabola written in vertex form

The parabola open upward (the leading coefficient is positive)

The vertex is a minimum

The vertex is the point (-3,5)

The function is increasing in the interval [-3,∞)

The function is decreasing in the interval (-∞,-3]

The function will have a negative average rate when the function will be decreasing

therefore

the answer is option C

7 0
3 years ago
Simplify each of the following expressions to find the length of the tightrope
sattari [20]
What is the length ?
4 0
2 years ago
I’ve got this and one more
Nana76 [90]

Again, a^2+b^2=c^2

c=10

b=9

10 squared is 100

9 squared is 81

100-81=19

The square root of 19, rounded to the nearest hundredth, is 4.36

5 0
3 years ago
Read 2 more answers
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