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GarryVolchara [31]
3 years ago
15

-4-square root of -75 / 60

Mathematics
1 answer:
Leto [7]3 years ago
3 0
<span>the correct answer is -4 - 0.144337567 i</span>
You might be interested in
Solve the equation using the quadratic formula. 262 – 3b+85=-5
liberstina [14]

Answer:

b= 352/3

or b= 117.33

Step-by-step explanation:

262-3x+85=-5

-3x+(262+85)=-5

simplify the arithmetic

-3x+347=-5

Group all constants on the right side of the equation

-3x+347=-5

Subtract  from both sides:

-3x+347-347=-5-347

Simplify the arithmetic:

-3x=-5-347

-3x=-352

isolate the x

-3x=-352

Divide both sides by -3

-3x/-3}=-352/-3}

Cancel out the negatives

3x/3}=-352/-3

Simplify the fraction

x= -352/-3

Cancel out the negatives

x=352/3

8 0
3 years ago
Plair wants to save $100. so far she has saved $ 63. how much more does plair need to save ?
Novay_Z [31]

Hello!

To find out how much more she needs to save, simply subtract 63 from 100:

100-63=37.

I hope it helps!

7 0
3 years ago
Answer asappp plssss
jeka94

Answer:

The answer should be B.

Step-by-step explanation:

Btw a school orchestra should usually contain only string instruments and whatnot. If it has woodwinds, brass instruments, and percussion, then that would be a band.

7 0
3 years ago
Using the ratio of perfect squares method, what is square root of 14 rounded to the nearest hundredth? Do not use your calculato
Svetlanka [38]
The square root of 14 rounded to the nearest hundredth without using the calculator can be done this way. Follow these steps:
<span>1. Guess
2. Divide
<span>3. Average
</span></span>
GUESS.
1. Make good guess. We'll just use 2

DIVIDE.
2. Divide 14 by our guess of 2 = 7.

AVERAGE.
3. Average 7 and 2: (7+2)/2 = 4.5

Here, we repeat step 2 using 7 as our new guess, 4.5
2. 14/4.5 = 3.1
3. (3.1 + 4.5)/2 = 3.8
<span>
2. 14/3.8 = 3.7
3. (3.7 + 3.3)/2 = 3.5

2. 14/3.5 = 4
3. (3.5 + 4)/2 = 3.75

2. 14/3.75 = 3.7
3. (3.75 + 3.7)/2 = 3.725

so on and so forth until the pattern remains in 3.7</span>
6 0
4 years ago
Dy/dxif y = 4x3 + 3x2 + 2
DIA [1.3K]
The function is 

                                \displaystyle{ y=4x^3+3x^2+2.

We recall that the derivative of each monomial ax^b is a\cdot b\cdot x^{b-1}, and the derivative of a constant (function) is 0.

According to this:

\frac{d}{dx}(4x^3+3x^2+2)=4\cdot 3\cdot x^2 + 3\cdot 2\cdot x+0 =12x^2+6x.


Answer: 12x^2+6x
7 0
4 years ago
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