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Alexeev081 [22]
3 years ago
13

Exit

Mathematics
2 answers:
Jlenok [28]3 years ago
5 0
B. 7.5 is the correct answer
Studentka2010 [4]3 years ago
4 0

Answer:

B. 7.5

Step-by-step explanation:

The number 7.68 is between 7.5 and 8. Let's find which of those two numbers 7.68 is closer to. We can do this by subtracting 7.68 from each of those numbers:

8 - 7.68 = 0.32

7.5 - 7.68 = -0.18

7.68 is 0.32 away from 8, but it's only 0.18 away from 7.5. So, the nearest half is 7.5.

I hope this helps :)

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What are axioms in algebra called in geometry?
Hatshy [7]
In geometry, axioms are actually called Postulates and their creation is called postulation.
3 0
2 years ago
3. The following sequence shows the number of pushups Kendall did each week, starting with her first week of exercising: 6, 18,
Alona [7]

{{{ THE BOLDED CHARACTERS SHOULD BE SMALL. }}}

SEQUENCE: 6, 18, 54, 162

18/6 = 3

54/18 = 3

162/54 = 3

then, r (common ratio) = 3

_________________________________________

RECURSIVE RULE: r = 3

an = a(n - 1) × r       [formula]

ANSWER: an = a(n - 1) × 3

_________________________________________

ITERIATIVE RULE: r = 3, a1 = 6

an = a1 × r^(n - 1)       [formula] [ ^(n-1) is an exponent]

ANSWER: an = 6 × 3^(n - 1)

4 0
2 years ago
Derive this with respect to x<br><img src="https://tex.z-dn.net/?f=%20%5Cfrac%7B3%7D%7B%281%20%2B%20%20secx%29%20%7D%20" id="Tex
Elenna [48]

~~~~\dfrac{d}{dx} \left(\dfrac{3}{1 + \sec x} \right)\\\\\\=3 \dfrac{d}{dx} \left( \dfrac 1{ 1+ \sec x} \right)\\\\\\=3 \dfrac{d}{dx} (1+ \sec x)^{-1}\\\\\\=3 (-1) (1 + \sec x )^{-1 -1} \dfrac{d}{dx}( 1 + \sec x)\\\\\\=-3(1 + \sec x)^{-2}  ( 0 + \sec x  \tan x)\\\\\\=-\dfrac{3\sec x \tan x}{(1 + \sec x)^2}

8 0
1 year ago
Answer this question :)
wariber [46]

Hey there! :)

Answer:

f(x) = x³ -6x² -16x. (Simplified)

Step-by-step explanation:

Given:

Zeros: -2, 0, 8; degree: 3

To begin, write the polynomial in factored form involving the zeros:

f(x) = x(x + 2)(x - 8).

If you were to convert this to standard form, you would FOIL the factors:

f(x) = x(x + 2)(x - 8)

f(x) = x(x² -6x -16)

f(x) = x³ -6x² -16x. This is your equation in standard form.

5 0
3 years ago
What inverse operations do I need to solve x + 15 = 9
maxonik [38]

Answer:

subtraction

Step-by-step explanation:

x +15 = 9

   -15 = -15

x = -6

7 0
3 years ago
Read 2 more answers
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