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3 years ago

8

Deon plans to ride a 15 mile bicycle trail. If his average speed 20 mile per hour which equation can he use to find the time t i

n hour for the ride

1 answer:

sashaice [31]3 years ago

7 0

T=15/20 t= 3/4 of an hour t= 45 minutes

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Solve<br> -21 = -9 + 2/3b

Svet_ta [14]

Final Answer: $b = -18$

Steps/Reasons/Explanation:

Question: Solve $-21 = -9 + \frac{2}{3}b$ .

<u>Step 1</u>: Simplify $\frac{2}{3}b$ to $\frac{2b}{3}$ .

$-21 = -9 + \frac{2b}{3}$

<u>Step 2</u>: Regroup terms.

$-21 = \frac{2b}{3} - 9$

<u>Step 3</u>: Add $9$ to both sides.

$-21 + 9 = \frac{2b}{3}$

<u>Step 4</u>: Simplify $-21 + 9$ to $-12$ .

$-12 = \frac{2b}{3}$

<u>Step 5</u>: Multiply both sides by $3$ .

$-12$ × $3 = 2b$

<u>Step 6</u>: Simplify $-12$ × $3$ to $-36$ .

$-36 = 2b$

<u>Step 7</u>: Divide both sides by $2$ .

$-\frac{36}{2} = b$

<u>Step 8</u>: Simplify $-\frac{36}{2}$ to $-18$ .

$-18 = b$

<u>Step 9</u>: Switch sides.

$b = -18$

~I hope I helped you :)~

3 0

3 years ago

The equation 0.3x = 7 was translated from the problem "_____."

Alex

Answer:

D

Step-by-step explanation:

6 0

4 years ago

Read 2 more answers

How do I graph this

MatroZZZ [7]

$\sqrt{x}$

8 0

3 years ago

Read 2 more answers

Choose the equation that satisfies the data in the table.

pychu [463]

The linear equation that satisfy the data in the table is: A. y = −4x − 4.

<h3>How to Find the Linear Equation for a Data in a Table?</h3>

Given the table attached below, find the slope (m) = change in y / change in x using two pairs of values, say, (-1, 0) and (0, -4):

Slope (m) = (-4 - 0)/(0 - (-1)) = -4/1 = -4

Find the y-intercept (b), which is the value of y when x = 0. From the table, when x = 0, y = -4.

b = -4.

Substitute m = -4 and b = -4 into y = mx + b

y = -4x + (-4)

y = -4x - 4

The equation that satisfy the data is: A. y = −4x − 4.

Learn more about the linear equation on:

brainly.com/question/4074386

#SPJ1

7 0

2 years ago

Water drains from a barrel at a constant rate. The graph and table show how the amount of water in the barrel changes with time.

lana66690 [7]

Answer:

Option C is correct.

Step-by-step explanation:

We have been given the graph

The graph is not of exponential function

Therefore, option A and B are discarded.

Now, We can see the graph is starting from 37

And the difference between Amount of water from the table is 19-22 that is -3

So, the graph is arithmetic

So, applying the formula $a_n=a+(n-1)d$ ; d is common difference here we have d= -3

$a(n)=37-3(n-1)$

Therefore, option C is correct.

3 0

3 years ago