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Dimas [21]
3 years ago
7

Explain how to compare two ratios?

Mathematics
1 answer:
djverab [1.8K]3 years ago
3 0

To compare ratios, write them as fractions. The ratios are equal if they are equal when written as fractions.
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Solve the equation when x=40. This will show the ball’s height, in feet, when it reaches the goal post. Y=-0.1x^2+4x
maks197457 [2]

Answer:

0

Step-by-step explanation:

-0.1(40)^2+4(40)

-160+160

0

6 0
3 years ago
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Which of the following sets of values correctly completes the t-chart for the equation y = 2x2 - 1.
natali 33 [55]

Answer:

The sets of values that correctly completes the t-chart are:

7, -1, 7

Hence, option B is true.

Step-by-step explanation:

Given the equation

y = 2x² - 1

FOR x = -2

substitute x = -2 in the equation

y = 2x² - 1

y = 2(-2)² - 1

y = 8 - 1

y = 7

FOR x = 0

substitute x = 0 in the equation

y = 2x² - 1

y = 2(0)² - 1

y = -1

FOR x = 2

substitute x = 2 in the equation

y = 2x² - 1

y = 2(2)² - 1

y = 8 - 1

y = 7

Thus, the t-chart becomes:

x              y

-2            7

0             -1

2              7

Thus, the sets of values that correctly completes the t-chart are:

7, -1, 7

Hence, option B is true.

7 0
3 years ago
Which represents the solution(s) of the equation x2 = 64?
Phantasy [73]

Answer:

32

Step-by-step explanation:

2x = 64

/2     /2

x = 32

6 0
3 years ago
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Irina18 [472]

Answer: The answer is D, obtuse angles must be larger than 90 degrees

6 0
3 years ago
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tatuchka [14]

Answer:

-53-27x

Step-by-step explanation:

Answer attached...

Hope it helps :)

5 0
3 years ago
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