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DENIUS [597]
3 years ago
11

Which letter accurately describes how w(x) = log4(x + 5) – 3 is translated from p(x) = log4(x).

Mathematics
1 answer:
Irina-Kira [14]3 years ago
5 0

Answer:

B. Left 5 units and down 3 units

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The scale on a drawing of a swimming pool is 1cm=4m. What is the actual length of the pool if it's 10cm long on the drawing
Usimov [2.4K]

1 cm was multiplied by ten, so wee need to do that on the other side too.

1 times 10 = 10 cm, so 4 times 10 = 40 meters,
So your answer is 40 meters. Hope it helps!
4 0
3 years ago
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12 out of 20 doctors agree 15 out of 30 doctors agree are the ratios equivalent
uysha [10]
No it is not because 15 out of 30 is half but 12 out of 20 is more than half
4 0
3 years ago
Anyone please .help me to solve this​
Wittaler [7]
The Correct Answer Is 10
4 0
3 years ago
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A manufacturer produces piston rings for an automobile engine. It is known that ring diameter is normally distributed with σ=0.0
oksian1 [2.3K]
<h2>Answer with explanation:</h2>

The confidence interval for population mean is given by :-

\overline{x}\pm z^* SE                   (1)

, where \overline{x} = sample mean

z* = critical value.

SE = standard error

and SE=\dfrac{\sigma}{\sqrt{n}} , \sigma = population standard deviation.

n= sample size.

As per given , we have

\overline{x}=74.021

\sigma=0.001

n= 15

It is known that ring diameter is normally distributed.

SE=\dfrac{0.001}{\sqrt{15}}=0.000258198889747\approx0.000258199

By z-table ,

The critical value for 95% confidence  = z*= 1.96

A 99% two-sided confidence interval on the true mean piston diameter :

74.021\pm (2.576) (0.000258199)     (using (1))

74.021\pm 0.000665120624

74.021\pm 0.000665120624\\\\=(74.021- 0.000665120624,\ 74.021+ 0.000665120624)\\\\=(74.0203348794,\ 74.0216651206)\approx(74.020,\ 74.022)  [Rounded to three decimal places]

∴  A 99% two-sided confidence interval on the true mean piston diameter  = (74.020, 74.022)

By z-table ,

The critical value for 95% confidence  = z*= 1.96

A 95% lower confidence bound on the true mean piston diameter:

74.021- (1.96) (0.000258199)    (using (1))

74.021- 0.00050607004=74.02049393\approx74.020 [Rounded to three decimal places]

∴  A 95% lower confidence bound on the true mean piston diameter= 74.020

7 0
3 years ago
What is equivalent to -6 to the -5 power?
Anarel [89]

Answer:

-\frac{1}{7776}

Step-by-step explanation:

Put negative exponents in the denominator to make them positive.

\frac{1}{-6^5}

\frac{1}{-6*-6*-6*-6*-6}

\frac{1}{-7776}

-\frac{1}{7776}

8 0
3 years ago
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