MATHEMATICS COLLEGE

Someone please answer!

Answers

Answer 1

Answer:

Answer:

m=1/2

Step-by-step explanation:

y1= 1

y2=6

x1= -10

x2-0

m= slope

m= y2-y1/x2-x1

m=6-1/0 - - 10

m= 6-1/0+10

m=5/10

m=1/2

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Please only answer if you actually know how to). Some methods for graphing equations work well with certain equations and some don't. Help Asap). Knowing which method to select based on the given equation is a valuable skill. You have learned three methods to graph equations. These methods are: • y = mx+ b, • find intercepts, • use a t-chart. A) Using the following 3 equations, answer the questions: 11x + y =4, x+y = -2, x - 2y = 18. 1) How can you determine which equations can be graphed more easily using x - and y -intercepts, rewriting in slope-intercept form, or using a table of values? 2) Which method works best for you personally? When does it not work as well?
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Find the value of the expression: 70–a^2 for a=–25; 1; 10

Which equations have a value less than 6,766?A. one fourth x 6,766 = ________

B. 6 x 6,766 = ________

C. one half x 6,766 = ________

D. 1 x 6,766 = ________

A and C
D and B
A and B
C and D
please help giving brainlyest

Answers

A and C are the correct answers.

I hope this helps.

A and C I Think......

A Triangle has an angle that measures 137.3 degrees. The other two angles are in a ratio of 3:4. What are the measures of those two angles?

Answers

so we start off by subtracting 137.3 from 180 getting 42.5. If you add the ratios up (3+4) you get 7 and 7 should equal 42.5. thus,

42.5/7= 85/14

(85/14)*3=18.2 or (255/14 to be exact)
(85/14)*4= 24.29 or (170/7 to be exact)

|-9×+7|+8 is less than or equal to 9

Answers

Answer:

I don’t think it’s neither less than it equal

Step-by-step explanation:

I could be wrong don’t listen to me :)

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The formula for the volume of a cylinder is V 7r²h, where r is the radius of the cylinder and his the
height of the cylinder. Rewrite the formula to solve for h in terms of r and V.
G

Answers

Final answer:

To solve for the height of a cylinder in terms of its radius and volume, rewrite the formula as h = V/(7r²).

Explanation:

To rewrite the formula to solve for h in terms of r and V, we need to isolate h on one side of the equation. The given formula is V = 7r²h. To isolate h, we divide both sides of the equation by 7r². This gives us the formula: h = V/(7r²). This formula allows us to calculate the height of a cylinder given its radius and volume.

Learn more about Volume of a cylinder here:

brainly.com/question/16788902

Find the general solution of the following equation. Express the solution explicitly as a function of the independent variable. x^2 dw/dx = √ w(2x+5)

Answers

Answer:

Therefore the general solution is

$2 \sqrt w = 2 ln(x) - 5 \frac1x +c$

Step-by-step explanation:

Integration Rule:

$\int x^n dx= (x^(n+1))/(n+1)+c$
$\int \frac1x dx= ln(x) +c$

Given differential equation is

$x^2 (dw)/(dx)= √(w)(2x+5)$

$\Rightarrow x^2 dw= √(w) (2x+5) dx$ [ multiplying dx both sides]

$\Rightarrow (dw)/(\sqrt w)= ((2x+5))/(x^2) dx$ [ dividing $x^2\sqrt w$ both sides]

Integrating both sides

$\int (dw)/(\sqrt w)=\int ((2x+5))/(x^2) dx$

$\Rightarrow \int w^(-\frac12) dw=\int ((2x)/(x^2)+(5)/(x^2) )dx$

$\Rightarrow \int w^(-\frac12) dw=\int (2)/(x)dx +\int(5)/(x^2) dx$

$\Rightarrow (w^(-\frac12+1))/(-\frac12+1) =2ln x+5 (x^(-2+1))/(-2+1)+c$ [ c is arbitrary constant]

$\Rightarrow 2 \sqrt w = 2 ln(x) - 5 \frac1x +c$

Therefore the general solution is

$2 \sqrt w = 2 ln(x) - 5 \frac1x +c$

The following data give the prices of seven textbooks randomly selected from a university bookstore. $93 $173 $107 $125 $56 $163 $144 a. Find the mean for these data. Calculate the deviations of the data values from the mean. Is the sum of these deviations zero? Mean = $ 123 Deviation from the mean for $173 = $ 0 Sum of these deviations = $ -433 b. Calculate the range, variance, and standard deviation. [Round your answers to 2 decimal places.] Range = $ Variance = Standard deviation = $ Click if you would like to Show Work for this question: Open Show Work LINK TO TEXT

Answers

Answer:

Mean = $123

Standard deviation = 10190

Variance = 1698

Step-by-step explanation:

Mean=?

= sum of all numbers/ Total numbers

a = 93+173+107+125+56+163+144 / 7 = 861/7 = $123

Standard deviation=?

we know that = Sqareroot [ Sum (y)²] / N

we need deviation:

= x-a = y ; y²

= 93-123 = -30 ; 900

=173-123 = 50 ; 2500

=107-123 = -16 ; 256

=125-123 = 2 ; 4

=56-123 = -67 ; 4489

=163-123 = 40 ; 1600

=144-123 = 21 ; 441

Sum of y² = 10190.

= Square root [ 10190 / 7 ]

= 38.1

Variance = ?

= Sum ( y)² / N-1

= 10190 / ( 7-1)

= 10190 /6

= 1698

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