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kaheart [24]
2 years ago
7

Which of the following expressions are equal to -(8/4)?

Mathematics
1 answer:
nignag [31]2 years ago
4 0

Answer:

C. None of the above

Step-by-step explanation:

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which are the roots of the quadratic function f(b) = b2 – 75? check all that apply. b = 5 square root of 3 b = -5 square root of
malfutka [58]
<span>The answers are b = 5 square root of 3; b = -5 square root of 3. f(b) = b^2 – 75. If f(b) = 0, then b^2 – 75 ) 0. b^2 = 75. b = √75. b = √(25 * 3). b = √25 * √3. b = √(5^2) * √3. Since √x is either -x or x, then √25 = √(5^2) is either -5 or 5. Therefore. b = -5√3 or b = 5√3.</span>
8 0
3 years ago
Read 2 more answers
Solve Q=3a+5ac for a
lilavasa [31]
Here is how you solve... 

Q= 3a+5ac 

take out the common variable.
Q= a(3+5c)

get A by its self so divide each side by (3+5c).
Q/a(3+5c)= a(3+5c)/(3+5c)

Q/a(3+5c)=A

So your answer is A= Q/a(3+5c)

hope that helped.
8 0
3 years ago
Can you help me please
MArishka [77]

Answer:

Step-by-step explanation:

(x^{-2})^3\\\\x^{-2*3}\\\\x^{-6}

(x^3)^2\\\\x^{3*2}\\\\x^6

x^{-2}*x^3\\\\x^{-2+3}\\\\x^1\\\\x

x^2*x^{-3}\\\\x^{2-3}\\\\x^{-1}\\\\\frac{1}{x}

x^2*x^3\\\\x^{2+3}\\\\x^5

Hope this helps!

6 0
2 years ago
Read 2 more answers
7. Evaluate 4P2<br><br> O<br><br> 22<br><br> O<br><br> 12<br><br> O<br><br> 14<br><br> 5
Reika [66]

Answer:

<h2>12</h2>

Step-by-step explanation:

To evaluate 4P2, we will use the permutation formula as shown;

nPr = \frac{n!}{(n-r)!}

4P2 = \frac{4!}{(4-2!}

= \frac{4!}{2!} \\= \frac{4*3*2!}{2!}\\ = 4*3\\= 12

4P2 = 12

5 0
3 years ago
+ ES player
Maslowich

Answer:

the answer is B

Step-by-step explanation:

$8 per day

$6 per walk

walk(w)

8+6w

7 0
3 years ago
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