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alex41 [277]
3 years ago
10

How do you solve? 2(1+4n)+10(n-7)=2n-n

Mathematics
1 answer:
stiv31 [10]3 years ago
4 0
<span>2(1+4n)+10(n-7)=2n-n
distribute 
2+8n+10n-70=2n-n
combine like terms
18n-68=n
move n to other side
17n=68
divide 
n=4</span>
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Bank a charges a six dollar service fee and $.10 for each check written. Bank be charges $5.20 for each check written how many c
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Answer:

A person needs to write each month 1.17 checks for the two banks to charge the same amounts in fees.

Step-by-step explanation:

You can write an equation in which the amount charged by bank a is equal to the amount charged by bank b. The amount bank a charges is 6 plus 0.10 for the number of checks written and the amount bank b charges is 5.20 for the number of checks written.

6+0.10x=5.20x, where x is the number of checks written

Now, you can solve for x to find the number of checks written where the two banks charge the same amounts in fees:

6=5.20x-0.10x

6=5.10x

x=6/5.10

x=1.17

According to this, the answer is that a person needs to write each month 1.17 checks for the two banks to charge the same amounts in fees.

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3 years ago
(a+b)² is equal to ?​
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Answer:

No

Step-by-step explanation:

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Answer:

y≤3

Step-by-step explanation:

5y+4≤22−y

<em>Step 1: Simplify both sides of the inequality.</em>

5y+4≤−y+22

<em>Step 2: Add y to both sides.</em>

5y+4+y≤−y+22+y

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6y/6≤18/6

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