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kow [346]
3 years ago
10

Each square on Laura's chessboard is 13 square centimeters. A chessboard has 8 squares on each side. To the nearest hundredth, w

hat is the width of Laura's chessboard?
Mathematics
1 answer:
Marat540 [252]3 years ago
7 0
If x is width of one square, then width of board is 8x.

Area of a square = x^2 = 13
x = \sqrt{13}

8x = 8\sqrt{13}

Answer:
8\sqrt{13} cm
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Match each quadratic graph to its respective function
Anna11 [10]

Answer:

f(x) = (x - 3)(x + 1) → Corresponds with the first (raised higher ) ∪ shaped graph

f(x) = -2(x - 1)((x + 3) → Corresponds with the ∩ shaped graph

f(x) = 0.5(x - 6)((x + 2) → Corresponds with the second (lower) ∪ shaped graph

Step-by-step explanation:

For the function f(x) = (x - 3)(x + 1)

We have;

When x = 0, y = -3

When y = 0 x = 3 or -1

Comparing with the graphs, it best suits the first ∪ shaped graph  that rises here than the other ∪ shaped graph

For the function;

f(x) = -2(x - 1)((x + 3)

When x = 0, y = 6

When y = 0, x = 1 or -3

Which corresponds with the ∩ shaped graph

For the function;

f(x) = 2(x + 6)((x - 2)

When x = 0, y = -24

When y = 0, x = -6 or 2

Graph not included

For the function;

f(x) = 0.5(x - 6)((x + 2)

When x = 0, y = -6

When y = 0, x = 6 or -2

Which best suits the second ∪ shaped graph  that is lower than the other (first) ∪ shaped graph

For the function;

f(x) = 0.5(x + 6)((x - 2)

When x = 0, y = -6

When y = 0, x = -6 or 2

Graph not included

For the function;

f(x) = (x + 3)((x - 1)

When x = 0, y = -3

When y = 0, x = -3 or 1

Graph not included

7 0
4 years ago
Find the pattern and use inductive reasoning to predict the next number in the sequence 5,5,10,30,120,…
vladimir2022 [97]
600 because it’s times 5
5 0
3 years ago
If the temperature outside increases by 3 1/2 degrees every 1 1/2 hours, by how much will the temperature increase after 4 hours
Darya [45]

Answer:

Part 1:    7/3 degrees/hour

Part 2:    28/3 degrees

Step-by-step explanation:

Part 1:

3 1/2 degrees per 1 1/2 hours =

= (3 1/2)/(1 1/2)

= (7/2) / (3/2)

= 7/2 * 2/3

= 7/3 degrees/hour

The rate is 7/3 degree per hour

Part 2:

In 4 hours, the temperature goes up 4 times what it goes up in 1 hour.

4 hours * 7/3 degree/hour = 28/3 degrees

3 0
3 years ago
What is the area of the polygon below?
Lena [83]

Answer:

B.84 sq.units

Step-by-step explanation:

Adding both rectangles

12 + 72

84sq.units

pls Mark as brainliest

4 0
3 years ago
Can someone solve this for me?
pickupchik [31]

9514 1404 393

Answer:

  1. y = 0
  2. A all real numbers
  3. E y > 0
  4. infinity

Step-by-step explanation:

1. The horizontal asymptote is the y-value the function approaches, but does not reach. That value is y = 0. This equation is the equation of that asymptote.

__

2. The domain is the horizontal extent of the graph. It covers "all real numbers." (A)

__

3. The range is the vertical extent of the graph. As we said in part 1, the value y = 0 is never reached, so the vertical extent (range) is y > 0 (E).

__

4. The graph extends upward indefinitely as x extends to the left indefinitely. That is, y → infinity.

7 0
3 years ago
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