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Ivan
3 years ago
10

Abigail says that all the numbers ending 1 are prime. Is Abigail correct or incorrect

Mathematics
2 answers:
Arada [10]3 years ago
7 0
Incorrect.......................
patriot [66]3 years ago
6 0
Incorrect.
Go through the numbers and you'll find un-prime numbers ending in 1:
21, 81, 121,...
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puteri [66]
We would first determine how to solve this, and then from there, we would then see whether the following answer would be the correct answers.

2x^2 -  50 \\ \\ Pull \ out \ like \ factors : \\ 

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Now, we can determine whether the say "yes" or "no" to the following answers.

<span>a 2(x-5)(x+5) = YES
b -2(x+5)(x+5) = NO
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3 0
3 years ago
What is the answer to this problem?
Rufina [12.5K]
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3 years ago
Write an equation perpendicular to x = 5 that passes through the point (-4,3)
Neporo4naja [7]

Answer:

y-y1=m(x-x1)

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7 0
2 years ago
Since there are 6.6 laps in a mile, how many laps will you have to make to run 5 miles?
mezya [45]

Answer:

33 laps

Step-by-step explanation:

we know that

There are 6.6 laps in a mile

so

using proportion

Find how many laps will you have to make to run 5 miles

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Let

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\frac{6.6}{1}\frac{laps}{mile}=\frac{x}{5}\frac{laps}{mile} \\ \\x=6.6*5\\ \\ x=33\ laps

4 0
2 years ago
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zmey [24]

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5 0
2 years ago
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