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Bas_tet [7]
3 years ago
13

Can someone please help?

Mathematics
2 answers:
olchik [2.2K]3 years ago
7 0

Answer:

Choice C is correct answer.

Step-by-step explanation:

Equation of line in slope-intercept form is:

y=mx+c where m is slope of line and c is y-intercept.

Slope is defined as steepness of a line and also called gradient.

y-intercept is a point on the line where value of x is zero.

From question statement ,we observe that

slope=m= 2/3

y-intercept at (0,-2) which means c=-2.

Putting the value of slope and y-intercept in slope-intercept form,we get

y=(2/3)x+(-2)

y=2/3x-2 which is the answer.


mel-nik [20]3 years ago
4 0

Answer:

C.  y = 2/3 x - 2.

Step-by-step explanation:

The general form of the slope-intercept equation of a line is y = mx + c where m = the slope and  (0. c) is the y-intercept.

We are given that the slope = 2/3 and the y intercept is at (0,-2) so our equation is y = 2/3 x - 2.

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3-3k+7k=5b solve for k 
DaniilM [7]
3-3k+7k=5b \\\\ 3+4k=5b \\\\ 4k=5b-3 \\\\ \boxed{k=\frac{5b-3}{4}}
5 0
3 years ago
What is the approximate value of f(5) for the function f(x)=6.87(2.5)(x – 1)?
Phantasy [73]

Answer:

68.7

Step-by-step explanation:

We need only estimate (approximate) the value of f(x) at x = 5:

f(x)=6.87(2.5)(x – 1)   →   f(5)=6.87(2.5)(5 – 1).

Note that 2.5(4) = 10, so now we have (exactly) f(5)=6.87(10), which, in turn, is

equal to 68.7.

7 0
3 years ago
Help fast please ??!!
Rama09 [41]

Answer:

Area =  1053.59²

Step-by-step explanation:

Area = Area of cylinder + Area of rectangular prism

Area of cylinder = 2 π r h + 2 π r²             [ r = 4, h = 8]

                        = 2 π r ( h + r)

                        = 2 π x 4 ( 8 + 4)

                        = 301.59 ft²

Area of rectangular prism = 2 ( 12 x 8 + 8 x 14 + 14 x 12)  = 752 ft²

Area = 301. 59 + 752 = 1053.59²

                         

3 0
2 years ago
Read 2 more answers
Explain how your knowledge of place value helps you divide a number in the thousands by whole numbers 10.Give an example to supp
grandymaker [24]
Well because if you use 1,000 you know since 10 has 1 zero, you take 1 zero from 1,00 and it becomes 100.
6 0
3 years ago
What is the value of X?
Ugo [173]

∆ABC similar to ∆CBD

DB/AC = CB/AB

\frac{x}{7.5}  =  \frac{7.5}{x + 3}  \\ x(x + 3) =  {7.5}^{2}  =  { (\frac{15}{2}) }^{2}  \\  {x}^{2}  + 3x =  \frac{225}{4}  \\ 4 {x}^{2}  + 12x = 225 \\ 4 {x}^{2}  + 12x + 9 = 216 \\  {(2x + 3)}^{2}  = 216 \\ 2x + 3 = 6 \sqrt{6}  \\ x =  - 1.5 + 3 \sqrt{6}

approximately 6.1485

4 0
3 years ago
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