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3 years ago

Write and solve an equation to find the speed that Brian rides his bike, if he rides ⅖ of an hour and travels 3 miles.

Mathematics

1 answer:

GrogVix [38]3 years ago

6 0

It would be 3•2/5 the dot also represents a multiplication simble

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——————- more than 123 is 223.

Vinil7 [7]

Answer:

x=100

Step-by-step explanation:

x+123=223

x=223-123

x=100

3 0

3 years ago

Consider the function below. f(x)= x^3 + 2x^2 - x - 2 plot the x and y intercepts of the function

dimulka [17.4K]

In the Figure below is shown the graph of this function. We have the following function:

$f(x)=x^3+2x^2-x-2$

The $y-intercept$ occurs when $x=0$ , so:

$f(0)=(0)^3+2(0)^2-(0)-2=-2$

Therefore, the $y-intercept$ is the given by the point:

$\boxed{(0,-2)}$

From the figure we have three $x-intercepts$ :

$\boxed{P_{1}(-2,0)} \\ \boxed{P_{2}(-1,0)} \\ \boxed{P_{3}(1,0)}$

So, the $x-intercepts$ occur when $y=0$ . Thus, proving this:

$f(x)=x^3+2x^2-x-2 \\ \\ For \ P_{1}:\\ If \ x=-2, \ y=(-2)^3+2(-2)^2-(-2)-2=0 \\ \\ For \ P_{2}:\\ If \ x=-1, \ y=(-1)^3+2(-1)^2-(-1)-2=0 \\ \\ For \ P_{3}:\\ If \ x=1, \ y=(1)^3+2(1)^2-(1)-2=0$

7 0

4 years ago

Read 2 more answers

How do you do this ??????????????????????

kicyunya [14]

Answer:

Step-by-step explanation:

you can take the rectagel and you x the rectagel

6 0

3 years ago

14. Solve the following equations.<br> (a), 7x + 8 = 10 + 3x

3241004551 [841]

answer: x = 1/2

<u>explanation</u>

subtract 3x from both sides

4x+8=10

subtract 8 from both sides

4x=2

divide both sides by 4

x=2/4

simplify

x=1/2 OR x=.5

hope i helped!

4 0

3 years ago

Read 2 more answers

WILL MAKE BRAINLIEST!

gulaghasi [49]

The answers
1)-7
2)-1.5
3) 2

4 0

3 years ago