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konstantin123 [22]
3 years ago
13

Consider the quadratic function f(x)=2x2−8x+1.

Mathematics
1 answer:
Allisa [31]3 years ago
4 0

Answer:

is in the picture above

Step-by-step explanation:

Hope it helps

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Suppose there are two circles where the radius of one circle is twice the radius of the other circle. Each circle has an arc whe
Artemon [7]

Answer:

L=2l where l,L denote arc lengths of two circles

Step-by-step explanation:

Let l,L denote arc lengths of two circles, r,R denote corresponding radii and

\alpha _1\,,\alpha _2 denote the corresponding central angles.

So,

l=r\alpha _1 and L=R\alpha _2

This implies \alpha _1=\frac{l}{r} and \alpha _2=\frac{L}{R}

As each circle has an arc where the measures of the corresponding central angles are the same, \alpha _1=\alpha _2

\frac{l}{r}=\frac{L}{R}

As radius of one circle is twice the radius of the other circle,

R=2r

\frac{l}{r}=\frac{L}{2r}\\\frac{l}{1} =\frac{L}{2}\\L=2l

7 0
2 years ago
This is a bonus question
Elena L [17]

Answer:

10,500

Step-by-step explanation:

See this as 2 rectangles: a box of water (28cm), and another box with the height you want (35cm)

Area of Rectangle = lwh

For the water;

50 x 30 x 28= 42000

As for the needed volume:

50 x 30 x 35 = 52500

To find how much more water, subtract the smaller volume from bigger volume.

10500 should be the final answer

3 0
2 years ago
Read 2 more answers
What is the surface area of this figure in square centimeters?
Mashutka [201]

9514 1404 393

Answer:

  A.  96

Step-by-step explanation:

The surface area is the sum of the areas of the two triangular bases and the areas of the three rectangular lateral faces.

  A = 2(1/2)bh + PH

where b is the base of the triangle, h is its height, P is the perimeter of the triangle, and H is the height of the prism.

  A = (3 cm)(4 cm) +(3 +4 +5 cm)(7 cm) = 12 cm² +84 cm²

  A = 96 cm²

The surface area of the triangular prism is 96 square cm.

7 0
2 years ago
8. Starting from 300 feet away, a car drives toward you. It then passes by you at a speed of 48 feet per
fgiga [73]

Answer:

About 2 seconds away from you

Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
A lollipop weighs 1 ounce. Do 14 lollipops weigh more than 1 pound
makvit [3.9K]

Answer:

they weigh less than a pound

Step-by-step explanation:

because  1 pound is equal to 16 ounces

5 0
3 years ago
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