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3 years ago

PLEASE HELP WITH THIS!!! I WILL MARK YOU BRAINLIEST!!!

Mathematics

1 answer:

PolarNik [594]3 years ago

4 0

Answer:

cant you only get brainliest by answering a lot of questions?

Step-by-step explanation:

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3.x + y = 11<br> Y = x + 3

PSYCHO15rus [73]

Answer:

x = 2

Step-by-step explanation:

3.x + y = 11 (eq 1)

Y = x + 3 (eq 2)

sub 2 into 1

3x + x + 3 = 11

4x + 3 = 11

4x = 8

x = 2

4 0

4 years ago

Given h(x)=5x-2, find h(5)

Tomtit [17]

Answer:

h(5)=23

Step-by-step explanation:

4 0

3 years ago

Read 2 more answers

Mr. Hills horses, all together, eat 395 pounds of oats each month. If Mr. Hills has 5 horses, and each horse eats the sane amoun

Marizza181 [45]

I would say 80, because without an estimate it'd be 79 and 79x5=395. So 80x5=400, which is the estimate of 395. So 80 is the answer

8 0

3 years ago

Consider line 7x+8y=6.

Nata [24]

Answer:

parallel line: -(7/8)

perpendicular line: (8/7)

7x + 8y = 6: y = (3/4) - (7x/8)

4 0

3 years ago

Determine the greatest common divisor of the elements of the set \[ s = \{ n^{13} - n \mid n \in \mathbb{z} \}. \]

Kay [80]

Answer:

2730

Step-by-step explanation:

We want to determine the greatest common divisor of the elements of the set $S = \{ n^{13} - n \mid n \in \mathbb{Z} \}.$

We apply the Fermat's little theorem which states that if p is a prime number, then for any integer a, the number aᵖ − a is an integer multiple of p.

Now, $n^{13} \equiv n \mod p$ if p-1 divides 12.

Since the of 12 are 1,2,3,4, 6, 12, the corresponding primes are 2, 3, 5, 7, 13.

Therefore, the gcd of the elements in $2^{13}-2$ and $3^{13}-3$ is 2 \cdot 3 \cdot 5 \cdot 7 \cdot 13.$

2*3*5*7*13=2730

Therefore, the gcd of the elements in set S is 2730.

5 0

3 years ago