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nikklg [1K]
3 years ago
8

Please answer quick

Mathematics
1 answer:
Musya8 [376]3 years ago
3 0

Answer:

x can be transformed into -1/2x

-1/2x / -1/2=x

1/-1/2=-2

x>-2

Step-by-step explanation:

Tell me if it’s too confusing or if you got it hope it help sorry if it didn’t

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Under which angle conditions could a triangle exist? Check all that apply.
Lena [83]

Answer: 3 acute angles

and 2 acute angles, 1 obtuse angle

and 2 acute angles, 1 right angle

Step-by-step explanation:

the key is just to imagine it

also you have to know that right angle is 90° acute is less than 90° and obtuse is more than 90°

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Carl earns $8 per hour in his summer job. He hopes to earn between $120 and $200 per week. How many hours (x) will he need to wo
yanalaym [24]
He would need to work 

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A birthday celebration meal is $ 47.40 including tax, but not the tip. Find the total cost if a 15% tip is added to the cost of
Afina-wow [57]

Answer:

$54.51

Step-by-step explanation:

an easier way to do this is simply by multiplying 47.40x115%, which is 54.51.

another way to do this is by multiplying 47.40x15%, which is 7.11, then you'll have to added to 47.4, which gives you the same answer of 54.51

6 0
3 years ago
Which of the following integers is a perfect square?<br><br> A 36<br> B 48<br> C 44<br> D 32
Anika [276]

Answer:

A

Step-by-step explanation:

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5 0
3 years ago
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The graph below shows the distance, y, in miles, of a bird from its nest for a certain amount of time, x, in minutes:
Montano1993 [528]

Answer:

0.2 miles per minute represents the speed of the bird and 3 miles represents the original distance of the bird from its nest.

Step-by-step explanation:

As there is no graph mentioned here but the information are quite sufficient to answer the question.

We have points (0,3), (5,4),(10,5)...

From these points we can find the slope of the line .

From point slope formula y-y_1=m(x-x_1)

And assigning (x,y) (0,3) and (x_1,y_1) (5,4)

m=\frac{y_1-y}{x_1-x} =\frac{4-3}{5-0} =\frac{1}{5}=0.2

This slope is also the speed of the bird which is 0.2\ miles\ per\ minute.

As by plugging the values of any coordinate point we can confirm this.

Lets put (10,5), y-axis is the distance so in 10 minutes the the distance covered by the bird must be equal to to y-axis value which is 5 miles.

y=0.2(x),y=0.2(10)=5\ miles

Now as in t=0 the bird has started from y-intercept value 3 so we can say that,the original distance of the bird from its nest is 3\ miles.

So the correct choices are:B and D

The birds speed is 0.2\ miles per minute and is 3\ miles away from its nest.

7 0
3 years ago
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