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BARSIC [14]
3 years ago
6

PLEASE HELP ME!!!

Mathematics
1 answer:
PSYCHO15rus [73]3 years ago
7 0
1) 3x=(4x+50-30)/2
x=10

Explanation: (1/2)(big arc - small arc), plug in the numbers and solve

2) 15•x=33•10
x=22

Explanation: a•b=c•d, plug in the numbers and solve

3) (x+8)•8=(24+4)•4
x=6

Explanation: W•E=W•E, whole•external part= whole•external, plug in the numbers and solve
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Determine the nature of the solutions to the equation: x2 - 3x = 6
olga55 [171]

Answer:

One Solution

Step-by-step explanation: when x is equal to one number it is defined as one solution. I hoped I answered correctly. please comment if I haven't

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3 years ago
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help!! Katherine O’Donnell obtain a personal loan of $3000 at 14% for 24 months. The monthly payment is $144. What is the intere
lina2011 [118]
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When is 9+10 really equal to 21
zhenek [66]

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it's equal to 21 when I say it's equal to 21

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A number line is show. . PLEASE HELP .
Viefleur [7K]

Answer:

square root of 3 is 1.7 so put it closer to 2

square root of 8 is 2.8 so put it closer to 3

square root of 23 is 4.7 so put it closer to 5

Step-by-step explanation:

6 0
3 years ago
a line passes through (9, –9) and (10, –5).write an equation for the line in point-slope form. rewrite the equation in standard
Cerrena [4.2K]
The equation of the line in point-slope form is given by:
 y-yo = m (x-xo)

 Where,
 (xo, yo): point that belongs to the line
 m: slope of the line
 The slope is given by:
 m = \frac{y2-y1}{x2-x1}
 Substituting values:
 m = \frac{-5-(-9)}{10-9}
 Rewriting:
 m = \frac{-5+9}{10-9}
 m = \frac{4}{1}
 m=4
 Now we choose an ordered pair:
 (xo, yo) = (10, -5)

 Substituting values we have:
 y-(-5)=4(x-10)
 y+5=4(x-10)
 We now rewrite the equation in its standard form:
 y = mx + b

 Where,
 b: cut with the y axis.
 We have then:
 y = 4x - 40 - 5

y = 4x - 45
 Answer:
 point-slope form:
 y+5=4(x-10)
 or
 y+9=4(x-9)
 standard form
 y = 4x- 45
3 0
4 years ago
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