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shutvik [7]
3 years ago
12

Please help.

Mathematics
1 answer:
Paladinen [302]3 years ago
4 0
The probability of gooding a green car is 3 out of 7. or 42.8%
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Two water balloons were launched into the air at different moments and collided. the water balloons were modeled by the quadrati
DerKrebs [107]

Two water balloons were launched into the air at different moments and collided. the water balloons were modeled by the quadratic functions: y = −7x2 26x 3 and y = −6x2 23x 5, where y represents the height in meters and x represents the time in seconds after the launch. 2.0 seconds is the time, in seconds, that the balloons collided at the highest point

The time in seconds that the balloons collided at the highest point is; B: 2.0 seconds

We are told that the water balloons were modeled by the quadratic functions:

y = -7x² + 26x + 6 and y = -6x² + 25x + 4

where;

y = the height in meters

x = the time in seconds after the launch

The time at which they will collide has to be at the same height.

Thus;

-7x² + 26x + 6 = -6x² + 25x + 4

Rearranging this gives;

x² - x - 2 = 0.

Using an online quadratic equation solver gives us x = 2 or -1. We will take the positive one as x = 2.0 seconds

Learn more about quadratic equations at

brainly.com/question/1214333

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1 year ago
Find the missing values in the ratio table. Then write the equivalent ratios.
snow_lady [41]
The missing one on the top row is 28. The one missing on the bottom is 4
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3 years ago
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30 girls and boys have planned for a picnic.There is a ratio of 3 girls to 7 boys.How many boys are there?
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A triangle has sides of lengths 8, 15, and 17. Is it a right triangle? Explain.
natta225 [31]

Answer:

Step-by-step explanation:

8^2 + 15^2 = ?

64 + 225 = 17^2

289 = 289

\sqrt{289} = \sqrt{289\\} \\ 17 = 17

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A science class is tracking the progress of plant growth. The class starts the experiment with a plant five centimeters high. Th
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Answer:

In this equation, the y-intercept (+ 5) represents the original height of the plant. 2x represents the amount of growth multiplied by the number of days, x.

Step-by-step explanation:

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