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Setler79 [48]
2 years ago
12

Select the approximate values of x that are solutions to f(x) = 0, where

Mathematics
1 answer:
irga5000 [103]2 years ago
3 0
A=-2;b=9;c=9;
delta=b^2-4*a*c
root1=(-b+(delta^(0.5)))/(2*a)  
<span>root2=(-b-(delta^(0.5)))/(2*a)

delta =153
root1 = -0.8423
root2 =<span> 5.3423

Correct Answer is D</span></span>
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An electronics retailer receives a shipment of 6,000CDs to distribute to its stores. A quality control manager inspects a random
Alex17521 [72]

Answer: 300

Step-by-step explanation:

Given , An electronics retailer receives a shipment of 6,000CDs to distribute to its stores.

i.e, Total CD's he has now = 6,000

Also, a quality control manager inspects a random sample(S) of 40CD's , the number of defective(D) CD's are 2.

Then , the proportion of defective( D) CD's = \dfrac{D}{S}=\dfrac{2}{40}=0.05

Now , the number of CDs in the shipment are likely to be defective = ( Total CD's) x (proportion of defective CD's)

= 6000 x 0.05

=300

Hence, the number of CDs in the shipment are likely to be defective  =300

8 0
3 years ago
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What is the remainder when 7^85 is divided by 41? How can you solve this without using a calculator?
Leto [7]

Answer:

you are supposed to divide it

Step-by-step explanation:

41divided by 85=

4 0
3 years ago
What is 4 (5×1÷20) because I dont know lol
Whitepunk [10]
Well first we need to do whatever is in the parentheses, which in this case is: (5x1/20)

Following the order of operations (PEMDAS) we start with the multiplication, which is (5x1). We know that 5x1=5, so now we can move on to the division:

5/20, which is equal to 0.25

So now that we know the answer to the equation in the parentheses is 0.25, we can solve the whole equation.

Here is the equation simplified:

4 (0.25)

Because there is now operation indicated between the 4 and the parentheses, we can assume that multiplication is implied, so the final equation is as follows:

4x0.25=1

The final answer is: 1

Hope this helps!
4 0
3 years ago
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stealth61 [152]

Answer:

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Step-by-step explanation:

divide the length and width by 2 so you get 3 and 4. then you proceed to Multiply both by 4 and you get 12 and 16

6÷2 = 3

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4 0
2 years ago
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yuradex [85]

Answer:

41

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360-(104+104+111)=41

6 0
2 years ago
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