4 years ago

How many solutions does the equation | x+7 | = 1 have?

Mathematics

2 answers:

Elodia [21]4 years ago

8 0

There are 2 solutions (and they are x = -6 or x = -8)

ziro4ka [17]4 years ago

8 0

Their are 2 solutions and they are x=-6 or x= -8

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GuDViN [60]

Answer:

$\frac{-5 \pm \sqrt{13} }{6}$

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Step-by-step explanation:

Step 1: Define

$\frac{-5 \pm \sqrt{5^2-4(3)(1)} }{2(3)}$

Step 2: Evaluate

Evaluate Exponents: $\frac{-5 \pm \sqrt{25-4(3)(1)} }{2(3)}$
Evaluate Multiplication: $\frac{-5 \pm \sqrt{25-12} }{6}$
Evaluate Subtraction: $\frac{-5 \pm \sqrt{13} }{6}$

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Answer:

Step-by-step explanation:

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telo118 [61]

Answer:

20 minutes

Step-by-step explanation:

x is 0 in the graph and y is 20

so 20 is your answer if 0 is x

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3 years ago

J) You spend $35. Tip is 15%. How much did you pay in total?

rusak2 [61]

Answer:

You paid $40.25 in total.

Step-by-step explanation:

In this question:

Spending of 35%

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