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marusya05 [52]
3 years ago
11

I suck at algebra, please help me! ;o;

Mathematics
1 answer:
Irina18 [472]3 years ago
3 0

Answer:

x = 5/9

Step-by-step explanation:

1/3 +x = 8/9

We need to get a common denominator of 9

1/3 * 3/3 +x = 8/9

3/9 + x = 8/9

Subtract 3/9 from each side

3/9 - 3/9 +x = 8/9 - 3/9

x = 5/9

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Walter's savings account has a balance of $273. After 5 years, what will the amount of interest be at 5% compounded quarterly?
rodikova [14]
Given:
Principal = $273
Interest rate = 5% compounded quarterly
time = 5 years

A = P (1 + r/n)^nt

A = amount of money accumulated plus interest
P = principal
r = interest rate (in decimal form)
n = number of times the interest is compounded per year
t = total number of years the amount is deposited

A = $273 (1 + 0.05/4)⁴*⁵
A = $273 (1 + 0.0125)²⁰
A = $273 (1.0125)²⁰
A = $273 * 1.2820
A = $349.99

$349.99 - 273 = $76.99

The compounded interest amounts to $76.99
6 0
3 years ago
Solve for f(-7) plz thanks
Natasha2012 [34]

Answer:

12

Step-by-step explanation:

If f(x) = 5 - x

Then f(-7) = 5 - (-7)

f(-7) = 5 + 7

f(-7) = 12

7 0
3 years ago
Family passes to the amusement park cost $54 each which expression can be used to find the cost in dollars of eight families pas
Lelu [443]
54 x 8 is an expression you can use to find the cost of eight passes. 
7 0
4 years ago
Jin needs 0.8 gram of carbon for an experiment. She needs 4.15 times as much water. Jins says that she needs less than 4.15 gram
natima [27]

Answer:

That is a correct statement.

Step-by-step explanation:

This is because to find the appropriate amount, we would multiply the two numbers together. Since we are multiplying 4.15 by a number less than 1 (0.8), the number can only be lower. The number would only be higher if the number was greater than 1.

6 0
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The class must raise at least 100$ to go on the field trip. They have collected 20$. Write an inequality to represent the amount
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subtract 20 from both sides

20 - 20 = 0

100 - 20 = 80

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4 0
3 years ago
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