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Olenka [21]
4 years ago
7

Two cars traveled equal distances in different amounts of time. Car A traveled the distance in 2 h,

Mathematics
1 answer:
Tems11 [23]4 years ago
7 0

Answer:

Car B was going 60 mph and Car A was going 45 mph

Step-by-step explanation:

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Solve 2x2 + 12x - 14 = 0 by completing the square
vovangra [49]

Answer:

<h2>x = -7 or x = 1</h2>

Step-by-step explanation:

(a+b)^2=a^2+2ab+b^2\qquad(*)\\\\\\2x^2+12x-14=0\qquad\text{divide both sides by 2}\\\\x^2+6x-7=0\qquad\text{add 7 to both sides}\\\\x^2+2(x)(3)=7\qquad\text{add}\ 3^2=9\ \text{to both sides}\\\\\underbrace{x^2+2(x)(3)+3^2}_{(*)}=7+9\\\\(x+3)^2=16\Rightarrow x+3=\pm\sqrt{16}\\\\x+3=-4\ or\ x+3=4\qquad\text{subtract 3 from both sides}\\\\x=-7\ or\ x=1

5 0
4 years ago
The art club had an election to select a president. 9 out of the 12 members of the art club voted in the election. What percenta
kifflom [539]
75% of the people voted hope I got it right
7 0
3 years ago
Which equation is not equivalent to the formula d = rt? r equals t over d r equals d over t t equals d over r d = tr
Gennadij [26K]
Question restated.
which is not equivalent to d = rt?
r = t/d
r = d/t
t = d/r
d = tr
If we divide both sides of the original equation by t, we are left with r = d/t, so we know that this is true. if we compare this, however, with the first item on the list, we can see that t/d does not equal d/t, so the first item on the list is the wrong one.
3 0
3 years ago
11. Write the equation of the line in slope-intercept form that is parallel to the line y = - 4x + 2 and
notsponge [240]

Answer:

y= -4x                                                                                                                                                                                      

Step-by-step explanation:

hope this helps and lmk if you need anything!

5 0
3 years ago
Solve the equation:<br> 8b = 5.6
alisha [4.7K]

Answer:

b = 0.7

Step-by-step explanation:

to solve the equation, you must isolate "b" so the variable is by itself,,

to do this, divide both sides of the equation by 8:

8b = 5.6

b = 5.6/8

now, simply divide 5.6 by 8 to get your answer,,

b = 5.6/8

b = 0.7

7 0
3 years ago
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