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Elena-2011 [213]
3 years ago
14

Can someone please do this for me

Mathematics
1 answer:
Natasha_Volkova [10]3 years ago
7 0
Next time please indicate which problem you want to work on.

One example of an equation with variables present on both sides is

y-b = m(x-a).  Given the slope of a line and one point (a,b) through which the line passes, you can come up with an equation of the line.

Or, given the numeric value of y-b and that of x-a, you could obtain the slope of the line thru the points (x,y) and (a,b).
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Find all constants a such that the vectors (a, 4) and (2, 5) are parallel.
Nezavi [6.7K]

Answer:

\displaystyle a = \frac{8}{5}.

Step-by-step explanation:

Two vectors (x_1,\, y_1) and (x_2,\, y_2) are parallel to one another if and only if the ratio between their corresponding components are equal:

\displaystyle \frac{x_1}{x_2} = \frac{y_1}{y_2}.

Equivalently:

\displaystyle \frac{x_1}{y_1} = \frac{x_2}{y_2}.

For the two vectors in this equation to be parallel to one another:

\displaystyle \frac{a}{4} = \frac{2}{5}.

Solve for a:

\displaystyle a = \frac{8}{5}.

\displaystyle \frac{8}{5} would be the only valid value of a; no other value would satisfy the \displaystyle \frac{x_1}{y_1} = \frac{x_2}{y_2} equation.

4 0
3 years ago
CAN YOU HELP ME PLEASE
professor190 [17]

Answer:

a. 60 degrees

b. 300 degrees

c. 12π

d. 2π

e. 10π

f. 36π

g. 6π

7 0
3 years ago
One way to build a staircase is to attach triangular blocks to an angled support, as shown above. If the support makes a 32 angl
blsea [12.9K]
Angle 1 is an alternate interion angle to the angle of 32°.
Therefore, angle 1 must be 32°.
8 0
3 years ago
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You just bought a car and need to expand your driveway by pouring more concrete. If the dimensions of the addition are 11ft by 6
Zielflug [23.3K]
(In case it is a rectangle)

Area of rectangle=length multiplied by breadth

=11 multiplied by 6.5= 71.5ft^2
7 0
3 years ago
What is the greatest common factors or 45 and 100
Pachacha [2.7K]

Answer:

5

Step-by-step explanation:

5 is the gcf of 45 and 100

3 0
3 years ago
Read 2 more answers
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