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OverLord2011 [107]
4 years ago
13

Solve 5x − 6y = −38 3x + 4y = 0

Mathematics
1 answer:
Gnesinka [82]4 years ago
5 0
Is that one or two questions?

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A bank charges a fee on savings accounts that are inactive for an extended period of time. The equation y=7500(0.97)^x represent
lesya692 [45]
The y-intercept is 7500 and it represents when the account is still active or have been inactive for 0 years.
3 0
3 years ago
Read 2 more answers
If n and k are positive integers, is n divisible by 6 ? (1) n = k(k + 1)(k – 1) (2) k – 1 is a multiple of 3.
xz_007 [3.2K]

Answer: yes, it is

Step-by-step explanation:

A number is divisible by 6 if it is divisible by 2 and 3 simultaniously.

n = k(k+1)(k-1)

If k-1 is a multiple of 3, n is divisible by 3, so one of the requirements is ok.

Now, if k-1 is a multiple of 3, it can be even or odd.

if k-1 is even, then it is divisible by 2 and as it is divisible by 3 as well, n is divisible by 6

if k-1 is odd, then k and k+1 is even, hence, divisible by 2.

As n = k(k+1)(k-1), n is also divisible by 6.

4 0
4 years ago
Answer quickly I'll give brainliest <br><br>3(x+2)-(2x-7)&lt;(5x-1)-2(x+6)​​
aivan3 [116]

Answer:

x=+5

Step-by-step explanation:

3(x+2)-2x-7=-(-5x-1)-2(x+6)

We move all terms to the left:

3(x+2)-2x-7-(-(-5x-1)-2(x+6))=0

We add all the numbers together, and all the variables

-2x+3(x+2)-(-(-5x-1)-2(x+6))-7=0

We multiply parentheses

-2x+3x-(-(-5x-1)-2(x+6))+6-7=0

We calculate terms in parentheses: -(-(-5x-1)-2(x+6)), so:

-(-5x-1)-2(x+6)

We multiply parentheses

-(-5x-1)-2x-12

We get rid of parentheses

5x-2x+1-12

We add all the numbers together, and all the variables

3x-11

Back to the equation:

-(3x-11)

We add all the numbers together, and all the variables

x-(3x-11)-1=0

We get rid of parentheses

x-3x+11-1=0

We add all the numbers together, and all the variables

-2x+10=0

We move all terms containing x to the left, all other terms to the right

-2x=-10

x=-10/-2

x=+5

4 0
2 years ago
A cone has a radius of 9 and a height of 22. What is the approximate volume of the cylinder? Round to the nearest tenth where ne
ryzh [129]

Answer

Answer: Volume = 9025.8 cm³

Step-by-step explanation:

--------------------------------------------------------

Find Radius :

--------------------------------------------------------

Base area = πr²

169π = πr²

r² = 169

r = √169

r = 13 cm

--------------------------------------------------------

Find height :

--------------------------------------------------------

Height = 13 + 4

Height = 17 cm

--------------------------------------------------------

Find Volume :

--------------------------------------------------------

Volume = πr²h

Volume = π(13)²(17)

Volume = 9025.8 cm³

--------------------------------------------------------

Answer: Volume = 9025.8 cm³

--------------------------------------------------------

8 0
3 years ago
Seven years after paying $6288 for shares in a new company, you sell the shares for<br> $12,454.
alisha [4.7K]
That’s small bucks, to answer a small problem ⚖️
4 0
4 years ago
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