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2 years ago

Here is another question i need help

Mathematics

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Over [174]2 years ago

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The one you have selected is correct

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A marina is in the shape of a coordinate grid. Boat A is docked at (3.1, −1) and Boat B is docked at (−4.1, −1). The boats are _

kirill115 [55]

Answer:

d = 7.2

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Algebra II

Distance Formula: $d = \sqrt{(x_2-x_1)^2+(y_2-y_1)^2}$

Step-by-step explanation:

Step 1: Define

Boat A(3.1, -1)

Boat B(-4.1, -1)

Step 2: Find distance d

Simply plug in the 2 coordinates into the distance formula to find distance d.

Substitute [DF]: $d = \sqrt{(-4.1-3.1)^2+(-1+1)^2}$
Subtract/Add: $d = \sqrt{(-7.2)^2+(0)^2}$
Exponents: $d = \sqrt{51.84}$
Evaluate: $d = 7.2$

8 0

2 years ago

Read 2 more answers

Complete the table for the given rule rule: y= x/2 X Y 8 __ 14 __ __ 3

Oxana [17]

Answer:

X Y

8 4

14 7

6 3

Step-by-step explanation:

y = x/2

x = 2y

5 0

3 years ago

Can u guys PLEASE answer this question ASAP. A line passes through the point (2,4) and has a gradient 2. Find the y-coordinate o

Veseljchak [2.6K]

y=2

Step-by-step explanation:

Make an equation of straight line by using the formula :y= mx+c

put the x-value of point (2,4) which is 2 and the gradient,m which is 2 into the straight line equation:

y=2x +c

So you need to find the y-intercept to complete the equation, therefore:

when y=0,

0=2(2)+c

c=-4

next the question ask to find the y-coordinate when x =3, therefore you just need to replace x in the equation with 3:

y=2(3)-4

y=4

7 0

3 years ago

Simplify the expression: m - 1/6 - 4m + 5/6

Oduvanchick [21]

Answer:

-3m+2/3. 2/3 is a fraction

Step-by-step explanation:

8 0

3 years ago

The statement today the dollar is worth 45 cents describe

Aneli [31]

This statement is false. The dollar is worth 100 cents.

Hope this helps :)

4 0

3 years ago