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stealth61 [152]
3 years ago
10

Explain a common error for the following problem and also solve the problem.

Mathematics
1 answer:
kap26 [50]3 years ago
3 0
The common error for this problem is generally people forgot to distribute the negative for the 4y.

solution: 5x+2y-15x-4y = -10x-2y

you have to use the distribution property
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NEED HELP
blagie [28]

Answer:

Range: [-7, 8]

General Formulas and Concepts:

<u>Algebra I</u>

  • Reading a coordinate plane
  • Range is the set of y-values that are outputted by function f(x)
  • Interval Notation: [Brackets] denote inclusion, (Parenthesis) denote exclusion

Step-by-step explanation:

According to the graph, our y-values span from -7 to 8. Since both are closed dot, they are included in the range:

Range: [-7, 8]

3 0
3 years ago
1/5x-2/3y=30 when y=15
dolphi86 [110]

Answer:

Step-by-step explanation:

<u>Step 1:  Set y to 15 and solve</u>

<u />\frac{1}{5}x - \frac{2}{3}*15=30

\frac{1}{5}x-10=30

<em>Add 10 to both sides</em>

<em />\frac{1}{5}x-10+10=30+10

\frac{1}{5}x=40

<em>Multiply both sides by 5</em>

<em />\frac{1}{5}x*\frac{5}{1}=40*\frac{5}{1}

x=200

Answer:  x=200

5 0
3 years ago
Solve the equation and check the solution 16+x=42
tigry1 [53]
The answer would be: X=26
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Answer:

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Step-by-step explanation:

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Riley is saving up to buy a new television. She needs a total of $1,285.93. Riley has saved $200.04 already and earns $83.53 per
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