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sweet-ann [11.9K]
3 years ago
11

What is a prime number out of the numbers above?

Mathematics
2 answers:
andrey2020 [161]3 years ago
7 0
19, 11, 2
There are a few prime numbers
Sergio039 [100]3 years ago
4 0
A prime number is one that's only factors are 1 and itself. So 2 would be a prime number, 11 also, and 19. 
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At noon, a private plane left Austin, Texas for Los Angeles, California. The distance between Austin and LA is 2100 km. The plan
Oxana [17]

Answer:

Infinity

Step-by-step explanation:

1+1=5

2+2=22 =

infinity

6 0
2 years ago
I need to find the GCF and solve to get the right answer. And ASAP if ossicle please
BartSMP [9]

I just know the greatest common factor is 2ab

But i don’t know if it is foil method but I still don’t know how to put it in that format

6 0
3 years ago
Write an equation in standard form for the line, where the points (-2, -1) and (0, 4) are on the line
DedPeter [7]

Answer:

An equation in standard form for the line is:

\frac{5}{2}x-y=-4

Step-by-step explanation:

Given the points

  • (-2, -1) and (0, 4)

The slope between two points

\mathrm{Slope\:between\:two\:points}:\quad \mathrm{Slope}=\frac{y_2-y_1}{x_2-x_1}

\left(x_1,\:y_1\right)=\left(-2,\:-1\right),\:\left(x_2,\:y_2\right)=\left(0,\:4\right)

m=\frac{4-\left(-1\right)}{0-\left(-2\right)}

m=\frac{5}{2}

Writing the equation in point-slope form

As the point-slope form of the line equation is defined by

y-y_1=m\left(x-x_1\right)

Putting the point (-2, -1) and the slope m=1 in the line equation

y-\left(-1\right)=\frac{5}{2}\left(x-\left(-2\right)\right)

y+1=\frac{5}{2}\left(x+2\right)

y=\frac{5}{2}x+4

Writing the equation in the standard form form

As we know that the equation in the standard form is

Ax+By=C

where x and y are variables and A, B and C are constants

so

y=\frac{5}{2}x+4

\frac{5}{2}x-y=-4

Therefore, an equation in standard form for the line is:

\frac{5}{2}x-y=-4

7 0
2 years ago
Show and explain how replacing one equation by the sum of that equation and a multiple of the other produces a system with the s
My name is Ann [436]
First, let's multiply the first equation by two on the both sides:
<span>8x + 7y = 39         /2
</span>⇒ 16x + 14y = 78

Now, the system is:
<span>16x + 14y = 78
</span><span>4x – 14y = –68
</span>
After adding this up in the column:
(16x + 4x) + (14y - 14y) = 78 - 68
20x = 10
⇒ x = 10/20 = 1/2


y can be calculated by replacin the x:
<span>8x + 7y = 39
</span>⇒ 8 · 1/2 + 7y = 39
4 + 7y = 39
7y = 39 - 4
7y = 35
⇒ y = 35 ÷ 7 = 5
3 0
3 years ago
Read 3 more answers
7(2m-1)-35m=65(4-3m)
ycow [4]

Answer:

  • m = 267/174

Step-by-step explanation:

  • 7(2m-1)-35m=65(4-3m)
  • 14m - 7 - 35m = 260 - 195m
  • -21m + 195m = 260 + 7
  • 174m = 267
  • m = 267/174
3 0
2 years ago
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