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2 years ago

Triangle ABC is isosceles. It is reflected across the y- axis and then translated up 1 unit to form triangle ABC.

Mathematics

1 answer:

Natalka [10]2 years ago

7 0

Answer: True, True, True

Step-by-step explanation:

A. True. Angles B and C are congruent, and since B' is congruent to B, by the transitive property, C is congruent to B', and thus has the same measure.

B. True. AB>BC, and the rigid motions won't change the side lengths.

C. True for the same reason in B.

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The product of two consecutive positive integers is 56. Find the two integers

vredina [299]

Answer:

Two consecutive integers are of the form

x and x + 1

Their product is equal to 56

x(x + 1) = 56

Solve and find the two numbers x and x + 1. The above equation may be written as follows

x2 + x - 56 = 0

Factor and solve

(x - 7)(x + 8) = 0

solutions: x = 7 , x = -8

x= - 8 is not valid since the number sought must be positive. Hence

x = 7 and x + 1 = 8 are the two consecutive numbers.

Step-by-step explanation:

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3 years ago

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3 years ago

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What is the percent of change from 58 to 29? also thank you guys for helping me?

zhannawk [14.2K]

It's a percent decrease and it decreases by -50%

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3 years ago

Anyone know the answer to this? Ill give brainliest!!!

Mrac [35]

The answer is y=-4x-4

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3 years ago

in the 1980's and 1990's growth in retail sales in sporting goods stores was approximately linear. In 1982 sales were 2.3 billio

Advocard [28]

Since t=0 represents the year 1980. So, t=1 represents 1981 , t=2 represents 1982, t=3 represents 1983 and so on.

At t=2 that is in 1982, sales were 2.3 billion and at t=8 that is 1988, sales were 41 billion.

So, we have the coordinates (2, 2.3) and (8, 41) The slope will give us the rate of change in sales over the years.

Therefore, Slope = $\frac{(41-2.3)}{(8-2)}$ =6.45 billion per year.

Since, the rate of change is 6.45 billions per year and it is a linear variation therefore, the rate of change in sales 1980 is 6.45 billions per year.

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3 years ago