What is the measure of ∠r?

Mathematics

1 answer:

LUCKY_DIMON [66]2 years ago

8 0

100 because of complementary angles

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Kevin is twice as old as Sean. Together their ages add up to 75.

marissa [1.9K]

Answer:

Kevin would be 50 and Sean would be 25

Step-by-step explanation:

Assuming that there is no other information given,

and Kevin is twice as old as sean, and they gotta add up to 75 total

50 + 25 = 75

25x2 = 50

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8 0

2 years ago

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A ___ equation is a second-degree equation of the form ax^2+bx+c=0 where a ≠ 0

klasskru [66]

Answer:

A quadratic equation is second degree equation with the standard form ax^2+bx+c=0 as the highest power is 2.

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6 0

2 years ago

PLEASE HELP ITS DUE AT MIDNIGHT

antiseptic1488 [7]

Answer:
The rest of the question is the attached figure
The percent change =
If (+ve) increase and if (-ve) decrease
Part A: What is the percent of change in the cost of a pizza?
The initial price = $7.5
The final price = $9
The percent change = %
Part B: What is the percent of change in the cost of a cheeseburger?
The initial price = $5
The final price = $6.5
The percent change = %
Part C: What is the percent of change in the cost of a serving fries?
The initial price = $2
The final price = $4.5
The percent change = %
Part D: What is the percent of change in the cost of a hot dog?
The initial price = $2.5
The final price = $2
The percent change = %
i found this online i hope if helps you