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zloy xaker [14]
3 years ago
6

Yusef drove 130 miles in 2.5 hours. Which equation can be used to calculate r, the average speed at which Yusef drove?

Mathematics
1 answer:
Stels [109]3 years ago
7 0
130 / 2.5 = 52 miles
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What are angles that are equal called?
jonny [76]
I think the word you're looking for is congruent. Congruent angles always have the same angles.
8 0
3 years ago
When the town of Manning first started its voluntary recycling program, 2500 of the town's residence participated. The town pred
Paraphin [41]
Answer: The correct answer is Choice D.

This is an example of an exponential equation. They are in the form of y=ab^x, where a is the starting value, b is the rate and x is the number of years.

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3 0
3 years ago
I need help with my algebra 2. I also want to know how to solve this.
Lisa [10]

Add 1 to both sides:

\sqrt{x+3} = x+1

In cases like this, we have to remember that a root is always positive, so we can square both sides only assuming that

x+1 \geq 0 \iff x \geq -1

Under this assumption, we square both sides and we have

x+3 = (x+1)^2 \iff x+3 = x^2+2x+1 \iff x^2+x-2 = 0

The solutions to this equation are

x = -2,\ x=1

But since we can only accept solutions greater than -1, we discard x=-2 and accept x=1.

In fact, we have

x=-2 \implies \sqrt{-2+3}-1=0\neq -2

and

x=1 \implies \sqrt{4}-1=1

which is the only solution.

4 0
3 years ago
The distance from london to manchester is 199.9miles what is this to the nearest 10miles
Nadusha1986 [10]

Answer:

1,000 miles

Step-by-step explanation:

Maybe? Let me know if this helped

8 0
3 years ago
Read 2 more answers
67 to the 2nd power, plz tell me if the answer is a prime number<br><br> Who wants to t a l k
Galina-37 [17]

Answer:

No, it is not prime.

Step-by-step explanation:

67^2 = 4489

A number cannot be prime if it is divisible by a number besides 1 and itself. 4489 is divisible by 67; no perfect square can be prime.

8 0
2 years ago
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