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Vilka [71]
3 years ago
15

Need help with 27 , 29, and 30. ASAP please this is due in 30 minutes

Mathematics
1 answer:
salantis [7]3 years ago
6 0
Hope this helps with the answer to your question:) (sorry I didn't know how to do question 30)

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If Dave drives at a steady speed of 50 mph, how long will it take him to drive 10 miles?
ira [324]
50 miles = 1 hour
10 miles = 1/50 x 10
= 1/5 hours
= 12 minutes

It will take him 12 minutes to drive 10 miles.
5 0
4 years ago
I need help for these! (if you could show the steps it'll help alot:) )
PolarNik [594]

The attached picture is a summary of all the six transformations you'd do.

Any change outside the f(x) notation impacts y-values of points on the graph.

Any changes inside the f(x) notation impacts x-values of points on the graph.

The trick is that the inside changes are usually the opposite of what you'd expect to have happen.

7. y=f(x)+8

This is an outside change.  You're adding 8 to all the y-values of points on the graph.  This will shift your entire graph up 8 units.

8. y=f(x+6)

This is an inside change.  Because it says "+6", you want to think, "Ah!  That means I'll actually subtract 6 from the x-value of every point on the graph." This graph is shifted 6 units to the left.

9. y=-f(x)

Inside change, impacts y-values.  Every y-value will be given the opposite signs.  Negatives become positive and positives become negative.  This will flip your graph over the x-axis.

10. y = f(-x) + 5

Give this one a shot on your own first in a comment and I'll let you know how you did.  

11. y = - 3 f(x-3)

There are three things happening.  A negative on the outside, multiplying by 3 on the outside, and subtracting 3 inside.  What will each of those do individually?  Take a shot on this one and let me know what you think.

12. y = 1/2 f( 1/2 x )

Again, three changes.  Try this one and let me know what you think.  Remember multiplying by 1/2 inside really means you'll do the opposite of multiplying by 1/2.

4 0
3 years ago
Which ordered pair represents the solution to the system of equations?
gregori [183]
The correct answer is B. (7,2)
3 0
4 years ago
Help pleaseee, no links!
sashaice [31]
A right triangle follows the Pythagorean theorem: a^2 + b^2 = c^2

Let’s work out the problems
1. 20^2 + 72^2 = 75^2
40 + 5184 = 5625
False

2. 40^2 + 74^2 = 85^2
1600 + 5476 = 7225
False

3. 45^2 + 60^2 = 75^2
2025 + 3600 = 5625
True

The correct answer is (45, 60, 75)
3 0
3 years ago
Can u help me with this question please
mario62 [17]

Answer:

linear

Step-by-step explanation:

for any equation that is in Y equals MX plus B,  the equation has to be linear

5 0
3 years ago
Read 2 more answers
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