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stepladder [879]
3 years ago
5

Write the product in standard form. ( 7 + 7i)( 6 + 7i)

Mathematics
1 answer:
Jlenok [28]3 years ago
5 0

I believe  -7 + 91i. i hope this helps

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A manufacturer of radial tires for automobiles has extensive data to support the fact that the lifetime of their tires follows a
Diano4ka-milaya [45]

Answer:  (C) 0.1591

Step-by-step explanation:

Given : A manufacturer of radial tires for automobiles has extensive data to support the fact that the lifetime of their tires follows a normal distribution with

\mu=42,100\text{ miles}

\sigma=2,510\text{ miles}

Let x be the random variable that represents the lifetime of the tires .

z-score : z=\dfrac{x-\mu}{\sigma}

For x= 44,500 miles

z=\dfrac{44500-42100}{2510}\approx0.96

For x= 48,000 miles

z=\dfrac{48000-42100}{2510}\approx2.35

Using the standard normal distribution table , we have

The p-value : P(44500

P(z

Hence, the probability that a randomly selected tire will have a lifetime of between 44,500 miles and 48,000 miles =  0.1591

3 0
3 years ago
(9x - 3) - (2x2 + 3x + 7)
Anni [7]

Answer:

8 - 6x

Step-by-step explanation:

just trust me the other guy's wrong

6 0
3 years ago
Here is a list of numbers:<br> 47, 89, 24, 83, 59, 10, 21, 94, 17<br> Calculate the range.
Ivahew [28]

Answer:84

Step-by-step explanation:10 to 94 is 84

3 0
3 years ago
PLS HELP I DONT UNDERSTAND :(
solmaris [256]
B I’m not 100% sure but I think
3 0
3 years ago
Read 2 more answers
×&gt;10 is a solution to which inequality a}×-7&gt;3 b}×-7&gt;3 c}x-7&lt;3 d}x-7&lt;3
NeX [460]
A) x - 7 > 3    |add 7 to both sides
     x > 10

b) x - 7 > 3    |add 7 to both sides
     x > 10

7 0
3 years ago
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