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gavmur [86]
3 years ago
15

The graphs of the quadratic function y= 2x^2and the exponential function y= 2^x are shown below.

Mathematics
1 answer:
11111nata11111 [884]3 years ago
7 0

Answer:

C

Step-by-step explanation:

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O is the centre of the circle and ABC and EDC are tangents to the circle
nataly862011 [7]

Answer:

what is your question?

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3 years ago
I’m confused?????????
QveST [7]

Answer:

The equation of the line is y - 3 = 2.5(x - 2) ⇒ D

Step-by-step explanation:

The rule of the slope of a line is m = \frac{y2-y1}{x2-x1} , where

  • (x1, y1) and (x2, y2) are two points on the line

The point-slope form of a line is y - y1 = m(x - x1), where

  • (x1, y1) is a point on the line

From the given figure

∵ The line passes through points (2, 3) and (0, -2)

∴ x1 = 2 and y1 = 3

∴ x2 = 0 and y2 = -2

→ Substitute them in the rule of the slope to find it

∵ m = \frac{-2-3}{0-2}=\frac{-5}{-2}=2.5

∴ m = 2.5

→ Substitute the values of m, x1, y1 in the form of the equation above

∵ m = 2.5, x1 = 2, y1 = 3

∵ y - 3 = 2.5(x - 2)

∴ The equation of the line is y - 3 = 2.5(x - 2)

6 0
3 years ago
use the substitution method to solve the system of equations choose the correct order pair. 3x+y=10 y=x-2
shutvik [7]
3x+(x-2)=10
4x=12
x=12/4=3

y=x-2=3-2=1

so, x=3 and y=1

Answer: (3;1)
3 0
3 years ago
Read 2 more answers
8-4k=40 <br><br> What is the value of k?
alisha [4.7K]

Answer:10

Step-by-step explanation:You will do 8-4=4 4*k=40 40\4=10 k=10.

8 0
3 years ago
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A service station checks Mr. Gittleboro's radiator and finds it contains only 30% antifreeze. If the radiator holds 10 quarts an
Andrew [12]

Answer:

2.86 quarts ( approx )

Step-by-step explanation:

Given,

The initial quantity of the Mr. Gittleboro's radiator that contains 30% antifreeze = 10 quarts,

Let x quarts of pure antifreeze replaced x quarts of Mr. Gittleboro's radiator to bring it up to a required 50% antifreeze,

So, the quantity of 30% antifreeze radiator after drained off x quarts = (10-x) quarts

Also, the quantity of final antifreeze radiator 50% antifreeze = 10 quarts

Thus, we can write,

30% of (10-x) + 100% of x = 50% of 10

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300 + 70x = 500

70x = 200

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4 0
3 years ago
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