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Alex17521 [72]
3 years ago
15

Please help me! I'm having trouble with these 2 questions! 40 points!!

Mathematics
1 answer:
anygoal [31]3 years ago
3 0

Answer:

Step-by-step explanation:

3.

2x=-10y+6

or x=-5y+3

or x+5y+3

also x=5y+3

it  has infinitely many solutions.

c

4.y=5x+7

y=5x+8

or 5x+7=5x+8

or 7=8

which is impossible.

it has no solution.

c

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N is the sum of three consecutive primes and is also the product of two 2-digit primes, what is the least possible value of N
Nookie1986 [14]

Hello from MrBillDoesMath!

Answer:   N = 143

Discussion:

This one took some trial and error! At first I listed all 2 digit primes, looked at the list, but didn't know how to proceed. So, I took the smallest 2 digit primes numbers:  11 and 13 and wondered if their product, 13*11 = 143, could be represented as the sum of  3 consecutive primes.   I went back to my list of primes,  added groups of three consecutive numbers that seemed to be in the right range to give the desired sum, and stumbled on  43, 47, and 53!

43 + 47 + 53 =  143 !


Therefore N = 143. It's the sum of 43, 47, and 53 as well as the product of 11 and 13.


Thank you,

MrB


7 0
3 years ago
 Which of the following are solutions to the equation below?
Novosadov [1.4K]

Answer:

The answer to your question is F

6 0
2 years ago
Please help I need this please help please just me help
Nikitich [7]

Answer:

It would take 4 minutes.

Step-by-step explanation:

Step 1: divide 63 by 3 to get how many hotdogs the champion can eat in a minute which equals 21

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3 0
2 years ago
What is the area of this figure???
pshichka [43]

Answer:

24 mm squared

Step-by-step explanation:

3 x 4 x 1/2 = area of the triangle

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8 0
3 years ago
Read 2 more answers
Find the slope of the line passing through the points (-5,1) and (2,4).
Leno4ka [110]

Answer:

<h3>\boxed{ \bold{ \huge{ \boxed{ \sf{ \frac{3}{7} }}}}}</h3>

Step-by-step explanation:

Let the points be A and B

A ( -5 , 1 ) ⇒( x₁ , y₁ )

B ( 2 , 4 )⇒( x₂ , y₂ )

<u>Findi</u><u>n</u><u>g</u><u> </u><u>the </u><u>slope</u><u> </u><u>of </u><u>the </u><u>line </u><u>passing </u><u>through</u><u> </u><u>these </u><u>Points</u>

Slope = \sf{ \frac{y2 - y1}{x2 - x1} }

plug the values

⇒\sf{ \frac{4 - 1}{2 - ( - 5)} }

We know that \sf{( - ) \times ( - ) = ( + )}

⇒\sf{ \frac{4 - 1}{2 + 5} }

Subtract 1 from 4

⇒\sf{ \frac{3}{2 + 5} }

Add the numbers

⇒\sf{ \frac{3}{7} }

Hope I helped!

Best regards!!

7 0
3 years ago
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