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3 years ago

5

Explain how you can move the decimal point to convert 3200 meters to kilometers

2 answers:

professor190 [17]3 years ago

7 0

You move the decimal three spots to the left. You get 3.200km

Rufina [12.5K]3 years ago

4 0

You move two places to the right, and you get 32.00

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Solving systems of equations by substitution

SashulF [63]

Equation 1) 2x - 3y = -1
Equation 2) y = x -1

Rearrange equation 2 so that x and y are on the same side. To do so, you subtract x from both sides.

2) -x + y = -1
1) 2x - 3y = -1

Multiply ALL of equation 2 by 2.

2) 2(-x + y = -1)

Simplify.

2) -2x + 2y = -1
1) 2x - 3y = -1

Add equations together.

-y = 0

So, y = 0

Plug in 0 for y in the first equation.

2x - 3y = -1

2x - 3(0) = -1

Simplify.

2x - 0 = -1

2x = -1

Divide both sides by 2.

x = -1/2

(-1/2 , 0)

~Hope I helped!~

5 0

3 years ago

The options for each are greater, lesser, or no effect

True [87]

Answer:

effet,lesser,select,select

MARK ME BRAINLIEST!!

HOPE IT HELPS

8 0

3 years ago

Find the slope of the line going through the points (-3,0) and (-3,11)

Sladkaya [172]

Answer:

m = undefined

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right<u> </u>

<u>Algebra I</u>

Coordinates (x, y)
Slope Formula: $\displaystyle m = \frac{y_2-y_1}{x_2-x_1}$

Step-by-step explanation:

<u>Step 1: Define</u>

<em>Identify</em>

Point (-3, 0)

Point (-3, 11)

<u>Step 2: Find slope </u><em><u>m</u></em>

Simply plug in the 2 coordinates into the slope formula to find slope <em>m</em>

Substitute in points [Slope Formula]: $\displaystyle m = \frac{11-0}{-3--3}$
[Fraction] Subtract: $\displaystyle m = \frac{11}{0}$
[Fraction] Simplify: m = undefined

∴ We have a vertical line at x = -3.

7 0

3 years ago

Please help me (30 points)

meriva

Answer:

8:2 or 2:8 I think

Step-by-step explanation:

8 0

3 years ago

Noah borrows $2000 from his father and agrees to repay the loan and any interest determined by his father as soon as he has the

nevsk [136]

Answer:

t=2 years

Step-by-step explanation:

Given in the question that;

Amount borrowed=$2000

Amount to be paid=$2450

Equation $A=2000e^{0.1t}$

Take e=2.718

The substitute in equation

$A=2000e^{0.1t} \\\\2450=2000e^{0.1t}$

Divide both sides by 2000

$\frac{2450}{2000} =\frac{2000e^{0.1t} }{2000} \\\\\\1.225=e^{0.1t}$

Introduce natural log on both sides to eliminate e,

Remember In e^x=x

$In1.225=Ine^{0.1t}\\ \\\\0.2029=0.1t$

Divide both sides by 0.1 to get t

$\frac{0.2029}{0.1} =\frac{0.1t}{0.1} \\\\\\t=2.03$

3 0

3 years ago

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