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dmitriy555 [2]
4 years ago
9

Evaluate. -|-2 + 9| i need help

Mathematics
1 answer:
amm18124 years ago
8 0
Hey there!!

Okay so let's start simplifying this :D

-| -2 + 9|  <---- remember that the "vertical bars" are absolute value signs

Absolute value signs will make any values within them into a positive value even if it was negative in the first place

-|  7 |   <---- first simplify what is within the absolute value signs

<u>- 7</u><u />  <----- this is your final answer!!!


I hope this helps you! ^__^
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PLEASEEE HURRYYY
Masteriza [31]

Answer:

(2,-5) and (2,1).

Step-by-step explanation:

We need to find the find all the points having an x coordinate of 2 whose distance from the point (-2,-4) is 5.

A circle with center (-2,-4) and radius 5 represents all the points whose distance from the point (-2,-4) is 5.

Standard form of a circle is

(x-h)^2+(y-k)^2=r^2

where, (h,k) is center and r is the radius.

(x-(-2))^2+(y-(-4))^2=(5)^2

(x+2)^2+(y+2)^2=25

Now, put x=2.

(2+2)^2+(y+2)^2=25

(4)^2+(y+2)^2=25

(y+2)^2=25-16

(y+2)^2=9

Taking square root on both sides.

y+2=\pm\sqrt{9}

y+2=\pm3

y+2=-3\text{ or }y+2=3

y=-5\text{ or }y=1

So, the y-coordinates of the points are -5 and 1.

Therefore, the required points are (2,-5) and (2,1).

8 0
3 years ago
on the provided graph, plot the points where the following function crosses the x-axis and the y-axis g(x) = -5^x + 5, what does
SVEN [57.7K]

Answer:

see image

Step-by-step explanation:

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3 years ago
Can you please help me
FromTheMoon [43]

Answer:

9

Step-by-step explanation:

most accurate answer if tax was added it would be about 10 added to the fee when u do the math so the answer is 9

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2 years ago
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A car travel 120miles in 3hours how far will it take to travel 200miles
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Answer:

Step-by-step explanation:

120/3= is 40mph

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At 40 mph it will take 5 hours.

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3 years ago
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If the distance covered by an object in time t is given by s(t)=t^2+5t , where s(t) is in meters and t is in seconds, what is th
alisha [4.7K]

Answer:

E. 44 meters

Step-by-step explanation:

The function that models the distance covered by the object is

s(t)=t^2+5t

where s(t) is in meters and t is in seconds.

The distance covered by the object after 1 second is

s(1)=1^2+5(1)=6m

The distance covered by the object after 1 second is

s(1)=5^2+5(5)=50m

The distance covered between 1 second and 5 seconds is

50-6=44m

6 0
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