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2 years ago

Solve the following equation q=1/3bh , for b

Mathematics

1 answer:

xz_007 [3.2K]2 years ago

7 0

b=3q/8 or at least thats what I got

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The slope of the line below is - 8/7 Write a point-slope equation of the line

julsineya [31]

Answer:

O C. y - 4 = - 8/7(x - 4)

Step-by-step explanation:

https://www.albert.io/blog/point-slope-form/#What_is_point_slope_form

7 0

2 years ago

Twice the sum of a number and 3 times a second number is 4. The difference of ten times the seco

34kurt

Two numbers that gives twice the sum of a number and 3 times a second number is 4. The difference of ten times the second number and five times the first is 90 are -10 and 4

Given :

Twice the sum of a number and 3 times a second number is 4. The difference of ten times the second number and five times the first is 90.

Let a and b be the two unknown numbers

Lets frame equation using the given statements

Twice the sum of a number and 3 times a second number is 4.

$2(a+3b)=4\\a+3b=2$

the difference of ten times the second number and five times the first is 90

$10b -5a=90\\Divide \; by \;5 \\2b-a=18$

Now use these two equations to solve a and b

$a+3b=2\\-a+2b=18$

Add both the equations

$a+3b=2\\-a+2b=18\\--------------------------\\5b=20\\b=4$

Now find out 'a'

$a+3b=2\\a+3(4)=2\\a+12=2\\a=2-12\\a=-10$

The two numbers are -10 and 4

Learn more : brainly.com/question/13856304

4 0

2 years ago

Which of the following is the MOST accurate definition of standard deviation

zzz [600]

The MOST accurate definition of standard deviation is the mean absolute deviation of the sum of the squared deviation from the average. Option 4

<h3>Definition of standard deviation</h3>

Standard deviation can be defined as a statistic tool that measures the dispersion of a dataset in relation to its mean and is calculated as the square root of the available variance of the set.

It is calculated as the square root of the given variance.

Thus, the MOST accurate definition of standard deviation is the mean absolute deviation of the sum of the squared deviation from the average.

Learn more about standard deviation here:

brainly.com/question/475676

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6 0

1 year ago

Three people build a rectangular shed 8 ft wide, 6 ft long, and 7 ft high. How many cubic feet does the shed contain?

dusya [7]

8x6x7= 336
Your answer is 336 ft^3

7 0

3 years ago

Which construction would you use to construct a right triangle with a compass and a straightedge?

polet [3.4K]