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alex41 [277]
3 years ago
6

Point A has an x coordinate of −2 and lies in a circle with a center at (0, 0) and a radius of 5. To the nearest tenth, what is

the y-coordinate for point A?
Mathematics
1 answer:
Sonbull [250]3 years ago
5 0

Answer: its 4.6

just took test



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If 23,600,000 is written as 2.36 x 10" what is the value of n?
Dafna11 [192]

Step-by-step explanation:

there are 7 decimal places from between 2 and 3 to the very end. so the answer is 7

5 0
2 years ago
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How many times larger is 1.9 × 10^-8 is than 4.2 × 10^-13<br><br>please help​
Jet001 [13]

Answer:

hope this helps!

Step-by-step explanation:

You have to divide:

1.9x10^-8 ÷ (4.2x10^-13)

= appr .45 x 10^5

= .45 x 100000

= appr 45,000 times as large

source: https://www.jiskha.com/questions/1857280/estimate-how-many-times-larger-1-9x10-8-is-than-4-2x10-13

credit: mathhelper

5 0
3 years ago
A ball is hit into the air with an initial velocity of 100 ft/s. Its height, h(t), after t seconds is given by the function h(t)
Lana71 [14]

at maximum. dt/dh=0

if you differentiate you will get

-32t=-100

t=3.125

8 0
3 years ago
PLEASE HELP WILL GIVE BRAINLIEST
Marta_Voda [28]

<u><em>Answer:</em></u>

The bird will have traveled 403 meters in 13 seconds if it maintained a speed of 31 m/sec

<u><em>Explanation:</em></u>

<u>The equation that relates velocity, distance and time is:</u>

velocity = \frac{distance}{time}

<u>This means that:</u>

distance = velocity * time

<u>In the given, we have:</u>

velocity = 31 m/sec

time = 13 sec

<u>Substitute with the givens in the above equation and solve for the distance as follows:</u>

distance = velocity * time

distance = 31 * 13

distance = 403 meters

Hope this helps :)

8 0
2 years ago
What is the correct answer?
egoroff_w [7]
X⁴ - 81  = x⁴ - 9² (Difference of 2 squares, then we an write it:


(x²-3)(x²+3) =0, → then (x²-3) = 0 and (x²+3)=0

(x²-3) = 0 → x² = 3 → x = +√3 and x = -√3
(x²+3) =0 → x² = -3 → x = +√-3  and x = -√3→ or  i√3 AND  x = -i√3

A{ -3 , +3 , -i√3 , i√3}

4 0
3 years ago
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