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Flauer [41]
3 years ago
8

Yuuma applied the steps below to find the product of (–10.2)(–16.4).

Mathematics
2 answers:
Schach [20]3 years ago
7 0

Answer:

D.)

Step-by-step explanation:

s344n2d4d5 [400]3 years ago
3 0

Answer: D

Step-by-step explanation:

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For the right triangle shown, which expression represents the length of CA?
Nataly [62]

Answer:

  b. 5tan(25°)

Step-by-step explanation:

The tangent function gives the ratio between the side opposite and the side adjacent to the angle. That is ...

  tan(25°) = ?/5

Multiplying by 5 solves the equation:

  ? = 5·tan(25°)

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3 years ago
Four gallons of gasoline cost $16.80. What is the price per gallon (also known as the slope of the line)?
il63 [147K]

$16.80 / 4 gallons = $4.20 per gallon

5 0
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Food pill: $9<br> Sales tax:6%<br> Tip:20%<br><br> Can you help me please
steposvetlana [31]

Answer: $11.45

Step-by-step explanation:

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Tax: 6%

Tip: 20%

x=(9)+(9)(0.06)+[(9)+(9)(0.06)](0.20)\\x=11.45

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3 years ago
What is the greatest common factor of the terms in the polynomial 8xt – 4х – 18x??
mariarad [96]

2x

so...

2x (4t - 2 - 9)

2x (4t -  11)

Hope this helped!

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3 0
3 years ago
Read 2 more answers
A programmer plans to develop a new software system. In planning for the operating system that he will​ use, he needs to estimat
Contact [7]

Answer:  a. n= 1068

b. n= 164

Step-by-step explanation:

The formula to find the sample size :

n=p(1-p)(\dfrac{z^{*}}{E})^2

, where p=prior population proportion , z* = critical z-value and E = Margin of error.

Here , let p=proportion of computers that use a new operating system.

Given : Confidence level = 95%

i.e. z* = 1.96  [by z-table]

Margin of error : E = 3% =0.03

a. If p is unknown , then we assume p=0.5

Then, n=(0.5)(1-0.5)(\dfrac{1.96}{0.03})^2=1067.11111\approx1068

i.e. n= 1068

b. p=0.96

Then, n=(0.96)(1-0.96)(\dfrac{1.96}{0.03})^2=163.908266667\approx164

i.e. n= 164.

6 0
3 years ago
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