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bixtya [17]
3 years ago
8

I need help with this.

Mathematics
2 answers:
Bad White [126]3 years ago
5 0
5 = manta rays
2 = turtles
2 = 56
1 = 28
5 = 140
There are 140 manta rays.
sineoko [7]3 years ago
3 0
140:56

2 times 28 is 56.

Multiply the other side:
5 x 28 = 140 
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Use the box plots comparing the number of males and number of females attending the latest superhero movie each day for a month
Natalija [7]

Answer:

Step-by-step explanation:

I need help with same question please

5 0
3 years ago
Fint the center circle with these coordnates (10,3)(3,10)and(-4,3
omeli [17]
The length of the line joining the center of the circle and each coordinate is equal.
Let the center of the circle be (a, b), then
(a - 10)^2 + (b - 3)^2 = (a - 3)^2 + (b - 10)^2 = (a + 4)^2 + (b - 3)^2
a^2 - 20a + 100 + b^2 - 6b + 9 = a^2 - 6a + 9 + b^2 - 20b + 100 = a^2 + 8a + 16 + b^2 - 6b + 9

a^2 - 20a + 100 + b^2 - 6b + 9 = a^2 - 6a + 9 + b^2 - 20b + 100 . . . (1)
a^2 - 20a + 100 + b^2 - 6b + 9 = a^2 + 8a + 16 + b^2 - 6b + 9 . . . (2)

From (1): 14a - 14b = 0 => a = b
From (2): 28a = 84 => a = 84/28 = 3

Therefore, center = (a, b) = (3, 3)
4 0
3 years ago
Two identical rubber balls are dropped from different heights. Ball 1 is dropped from a height of 109 feet, and ball 2 is droppe
Natalija [7]

Answer:  5.22 seconds

<u>Step-by-step explanation:</u>

t represents time and y represents the height.

Since we want to know when the ball hits the ground, find t when y = 0

Ball 1 starts at a height of 109 --> h = 109

0 = -16t² + 109

16t² = 109

   t^2=\dfrac{109}{16}\\

   t=\sqrt{\dfrac{109}{16}}

   t=\dfrac{\sqrt{109}}{2}

   t = 5.22

4 0
3 years ago
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The question is 7a +10 = 2a
Amanda [17]
 7a + 10 = 2a  subtract 2a from both sides
-2a          -2a
 5a + 10 = 0    subtract 10 from both sides
       -10    -10
5a = -10          then divide both sides by 5
/5      /5
a = - 2
8 0
3 years ago
Read 2 more answers
HELP ???? Which is the correct statement ?
Galina-37 [17]

Answer:

b) EF = GF , as both of them are at equal distance from the center

Step-by-step explanation:

Here we are given a ΔEFG inscribed in a circle. We have to determine whether EF = Gf and why ?

Here we see that the center is A

And EF and GF forms the chords of this circle.

The distance of these chords from the center is given as AD and DH . It is also given that both are equal.

The property of a circle says that

When chords are drawn at equal distance from the center , the chords are equal to each other. Hence we have EF and GF equal to each other.

5 0
3 years ago
Read 2 more answers
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