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Lady bird [3.3K]
4 years ago
12

How do you solve for x? 2x-1/7=-109/77

Mathematics
1 answer:
vampirchik [111]4 years ago
3 0

Answer:

x= \frac{7}{11}

MARK ME BRAINLIEST PLEASE

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Use I = PRT to find the total amount in the savings account.
slamgirl [31]

Answer:

\boxed {\boxed {\sf \$ 1803.80}}}

Step-by-step explanation:

We are using the formula I=PRT and calculating simple interest.

I=PRT

<em>I</em> is the interest, <em>P</em> is the principal or starting amount, <em>R </em> is the interest rate as a decimal, and <em>T</em> is the time in years.

We know that there is $1555.00 at 8% for 2 years. First, convert the interest rate to a decimal. Divide the rate by 100 or move the decimal place 2 spots to the left.

  • 8/100 = 0.08
  • 8. --> 0.8  --> 0.08

Now we know all the values:

  • P= 1555.00
  • R= 0.08
  • T= 2

Substitute the values into the formula.

I= (1555.00)(0.08)(2)

Multiply.

I=124.4(2)

I=248.8

The account earned $248.80 in interest, but the question asks for the total amount in the account. We must add the interest to the starting amount.

1555.00 +248.80

1803.8

After 2 years, the savings account had <u>$1803.80</u>

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3 years ago
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Which function is equivalent to
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J Is the answer, (x+6)(x-3) is the equivalent
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3 years ago
Tessellations . image below
Gekata [30.6K]

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3 years ago
The sum of two numbers is 20 and the difference is 12. What are the numbers?
svetlana [45]

Answer:

1) A system of two linear equations to represent this problem

x+y=20 and x-y=12

2) The numbers are x=16 and y=4

Step-by-step explanation:

Let x and y be the two numbers

Given that the sum of the two numbers is 20

That is x+y=20\hfill (1)

and the difference is 12

That is x-y=12\hfill (2)

1) A system of two linear equations to represent this problem

x+y=20\hfill (1)

x-y=12\hfill (2)

2). Noe Solve the system to find the 2 numbers:

Adding the equations (1) and (2) we get

x+y=20

x-y=12

_____________

2x=32

x=\frac{32}{2}

Therfore x=16

Now substitute x=16 in equation (1) we get

16+y=20

y=20-16

Therefore y=4

Therefore the numbers are x=16 and y=4

4 0
3 years ago
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