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rosijanka [135]
4 years ago
14

The answer choices are in the attachments

Mathematics
1 answer:
tatiyna4 years ago
8 0
The first dropdown box answer is "reflection over the y axis"

See the attached image.

Note how corresponding points simply have the x coordinate negated. For example, A and M correspond
A = (2,8)
M = (-2,8)
The only difference between these two points is the x coordinate is positive for A, and negative for M

The same applies for B and N, C and O, etc etc

Whenever you negate x coordinates only, a reflection over the y axis occurs. This is the rule (x,y) ---> (-x,y)

-----------------------------------------------------------------------------------

The second dropdown box answer is the second choice

We can see this by adding 3 to the x coordinate of point M to go from -2 to 1 (-2+3 = 1). So the answer must have point V with an x coordinate of 1. The only answer choice that fits is choice 2. 


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Chuck and Dana agree to meet in Chicago for the weekend. Chuck travels 250 miles in the same time that Dana
Nitella [24]

Answer:

Chuck's speed is  37  mi/h .

Step-by-step explanation:

We're asked to find the speed, Chuck, with some given information.

To do this, let's first recognize the simplified velocity equation:

speed = distance/time

or,  rearranging to solve for time:

time = distance/speed

let's write this using symbols to simplify things:

time = s/v

s= distance

v= velocity

we're given that

1. s Chuck = 185  mi

2. sDana= 160 mi

3. vDana= x

4. vChuck= x+5

Let's plug these values in for two separate equations for each person:

Chick: t = 185/x+5

Dana: t = 160 mi/x

We're asked to find Chuck's speed given that the time intervals are equal, so what we can do is set these two equations (which are solved for the time,t ), equal to each other:

chuck             Dana

\frac{185 mi}{x+5}               \frac{160 mi}{x}

Now, we solve for x (which would be Dana's speed):  

Cross-multiply:

185x= 160(x+5)

distribute :

185x= 160z+800

subtract 160x from both sides:

25x=800

divide both sides by 25:

x=32 mi/h

Remember that Chuck's speed is:

v Chuck = x + 5

so

vChuck = 32mi/h+5mi/h= 37 mi/h

3 0
2 years ago
there are red blue and green ribbon on the tabel.there are a total of 36 ribbon.3/6 of the ribbon is red.how manny ribbon is red
frozen [14]

Answer:

18

Step-by-step explanation:

3/6 =1/2

1/2 of 36 is 18

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3 years ago
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GaryK [48]

Answer:

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Step-by-step explanation:

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nadya68 [22]
No. The definition of an acute triangle is, all three angles must be less than 90°.
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Effectus [21]
1. Add y to each side
That will get you 3x=8+y
2. Subtract 8 on each side
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8 0
4 years ago
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