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4 years ago

What is the product of 68 and 46

Mathematics

1 answer:

Vaselesa [24]4 years ago

6 0

68 * 46

68 * 6
408

68 * 4
272

272
408 +

3128

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7x + y when x = 2 and y= 6 evaluate the expression

Maslowich

To solve the expression 7x + y we can substitute x with 2 and y with 6.

= 7(2) + 6

= 14 + 6

= 20

Best of Luck!

4 0

3 years ago

Read 2 more answers

Find the equation of a line that is parallel to line g that contains (P, Q).

Fofino [41]

Correct option:

$\boxed{x-y=P-Q}$

<h2>Explanation:</h2>

Given that the line we are looking for is parallel to g, then the slope of that line and g is the same, therefore:

$m=\frac{y_{2}-y_{1}}{x_{2}-x_{1}} \\ \\ (x_{1},y_{1})=(-3,2) \\ \\ (x_{2},y_{2})=(0,5) \\ \\ \\ m=\frac{5-2}{0-(-3)}=1$

So we can write the point-slope form of the equation of the line as follows:

$y-y_{0}=m(x-x_{0}) \\ \\ (x_{0},y_{0})=(P,Q) \\ \\ \\ y-Q=1(x-P) \\ \\ y-Q=x-P \\ \\ \\ Arranging: \\ \\ P-Q=x-y \\ \\ \boxed{x-y=P-Q}$

<h2>Learn more:</h2>

Graphying systems of linear equations: brainly.com/question/13799715

#LearnWithBrainly

8 0

3 years ago

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An environmental group at a local college is conducting independent tests to determine the distance a particular make of automob

melomori [17]

Answer:

$26.5265$

Step-by-step explanation:

<u>Confidence Interval</u>

When the population standard deviation $\sigma$ is known, the formula for a confidence interval for a population mean $\bar x$ is:

$\displaystyle \bar x \pm z\frac{\sigma}{\sqrt{n}}$

Where n is the sample size and z is the corresponding z-value from the standard normal distribution for the selected confidence level. The value of z for a 95% confidence interval is z=1.96. The rest of the values are

$\bar x=28.2,\ \sigma=2.7, \ n=10$

Calculating the confidence interval

$\displaystyle 28.2 \pm 1.96\frac{2.7}{\sqrt{10}}$

$\displaystyle 28.2 \pm 1.6735$

Or, equivalently

$26.5265$

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4 years ago

Write number in two other forms 40,000+1,000+300+70+8

tankabanditka [31]

1.) 35,000+6,000+65+13
2.) 25,000+ 16,000+11,000+78

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4 years ago

Helpppppppppppp 33points

Evgen [1.6K]

1st page: it is the fourth answer, y is less than or equal to 12

2nd page: it is the second answer, m is less than or equal to 450

3rd page: it is the first answer, x > -3

4th page: it is the fourth answer, b is more than or equal to 500

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3 years ago