Answer:
She rode her bike 21 miles
The expression is 
. The value of the given expression for x= 1.7 is 7.99.
<h3>What is the expression?</h3>
The expression is defined as a set of terms combined using the operations addition, subtraction, multiplication, or division.
The given expression is .
The value of expression for x = 1.7 is calculated as given below.
Put x = 1.7 in the expression,
The value of expression x^2 + 3x for x= 1.7 is 7.99.
To know more about the expressions, follow the link given below.
brainly.com/question/13947055.
Answer:
(-1, 1)
General Formulas and Concepts:
<u>Pre-Algebra</u>
- Order of Operations: BPEMDAS
- Equality Properties
<u>Algebra I</u>
- Solving systems of equations by substitution/elimination
Step-by-step explanation:
<u>Step 1: Define systems</u>
y = 3x + 4
y = x + 2
<u>Step 2: Solve for </u><em><u>x</u></em>
- Substitute: 3x + 4 = x + 2
- Subtract <em>x</em> on both sides: 2x + 4 = 2
- Subtract 4 on both sides: 2x = -2
- Divide both sides by 2: x = -1
<u>Step 3: Solve for </u><em><u>y</u></em>
- Define: y = x + 2
- Substitute: y = -1 + 2
- Add: y = 1
And we have our answer!
I guess 5? not that good looking
