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geniusboy [140]
2 years ago
13

Solve the system of equations by graphing, elimination or

Mathematics
1 answer:
vladimir1956 [14]2 years ago
8 0

Answer:

Solve the system of equations by graphing, elimination or

subod

Step-by-step explanation:

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a calculator can perform a single calculation in about 0.0000034sec.how much time will it take to calculate 4000 such calculatio
kotegsom [21]

Answer:

0.0136 or 4000×34^-6

Explanation:

You would have to multiply and/or add the 0's

5 0
3 years ago
What is the gradient of the blue line
katrin [286]

Answer:The blue line is the tangent line that passes through the point (0.75, 0.25). The point on the tangent line is (3, 4). The gradient of the curve is approximately 0.6. Note: Parallel lines have the same gradient.

Step-by-step explanation:

5 0
3 years ago
Evaluate the double integral ∬Ry2x2+y2dA, where R is the region that lies between the circles x2+y2=16 and x2+y2=121, by changin
olga2289 [7]

Answer:

See answer and graph below

Step-by-step explanation:

∬Ry2x2+y2dA

=∫Ry.2x.2+y.2dA

=A(2y+4Ryx)+c

=∫Ry.2x.2+y.2dA

Integral of a constant ∫pdx=px

=(2x+2.2Ryx)A

=A(2y+4Ryx)

=A(2y+4Ryx)+c

The graph of y=A(2y+4Ryx)+c assuming A=1 and c=2

8 0
3 years ago
Examine these points on line u and line v. Line u: (9, –8), (5, 4) Line v: (4, 2), (7, –7) How many points of intersection are t
musickatia [10]

Answer:

The line u and line v have no point of intersection because they are parallel lines

Step-by-step explanation:

The slope of a straight line is given as follows;

Slope, \, m =\dfrac{y_{2}-y_{1}}{x_{2}-x_{1}}

The slope of line u is (4 - (-8))/(5 - 9) = -3

The equation for line u is y - 4 = -3*(x - 5)

y = -3·x + 15 + 4 = 19 - 3·x

The slope for line v is (-7 - 2)/(7 - 4) = -3

The equation for the line v is y - 2 = -3*(x - 4)

∴ y = -3x + 12 + 2 = -3x + 14

y = 14 - 3·x

Therefore. line u and line v have the same slope and are therefore parallel and they do not intersect

6 0
3 years ago
Can someone help me plss! ?
Ann [662]
Sry but that’s too much which one would you like help on
5 0
3 years ago
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