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jeyben [28]
3 years ago
10

Complete using the RDW stratergy.

Mathematics
1 answer:
Sladkaya [172]3 years ago
7 0
The rhinoceros would be 1 meter 85 centimeters tall. If you need an explanation let me know!!(:
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Which of the following reveals the minimum value for the equation 2x^2 − 4x − 2 = 0?
12345 [234]

Answer:

2(x-1)^{2}=4

Step-by-step explanation:

<u><em>The options of the question are</em></u>

2(x − 1)2 = 4

2(x − 1)2 = −4

2(x − 2)2 = 4

2(x − 2)2 = −4

we have

2x^{2} -4x-2=0

This is a vertical parabola open upward

The vertex represent the minimum value

The quadratic equation in vertex form is

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

where

a is a coefficient

(h,k) is the vertex

so

Convert the quadratic equation in vertex form

Factor 2 leading coefficient

2(x^{2} -2x)-2=0

Complete the squares

2(x^{2} -2x+1)-2-2=0

2(x^{2} -2x+1)-4=0

Rewrite as perfect squares

2(x-1)^{2}-4=0

The vertex is the point (1,-4)

Move the constant to the right side

2(x-1)^{2}=4

3 0
3 years ago
Can you help me please?​
Cloud [144]
X=10. Have a great day!
6 0
2 years ago
True or False?<br> If, |al = |b|, then either a = b or a = - b
never [62]

Answer:

true

Step-by-step explanation:

3 0
3 years ago
Beth has 250 comic books in her collection. She begins to sell 20 of them each week. Martin has 80 comic books in his collection
Shtirlitz [24]
Each weeks for how long?
8 0
3 years ago
Read 2 more answers
Find the arc length along a circle of radius 10 subtended by an angle of 215 degrees
natka813 [3]

Answer:

arc = 25.29

Step-by-step explanation:

first find the circumference:

C = 2r(Pi) = 2(10)(3.14) = 62.8

since subtended, then we're looking for these opposite angle of 215 degrees:

360 - 215 = 145 degrees

62.8/360 = 0.1744 per degree

0.1744 x 145  = 25.29

7 0
3 years ago
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