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juin [17]
3 years ago
10

54% of 76.8 = ___ estimate

Mathematics
1 answer:
LekaFEV [45]3 years ago
7 0
The answer is: 41.256 (You round it to the number that you're required to round it)

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11k = -143 I need help with this question
garri49 [273]

Answer:

k = -13

Step-by-step explanation:

-143/11 = -13

7 0
2 years ago
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Robert and his coworkers brought 11 work trucks to a service station for oil changes. While there they also put 6 gallons of gas
Free_Kalibri [48]

Answer:

The cost of an oil change for 1 truck was $42

Step-by-step explanation:

Let

x -----> the cost of an oil change for 1 truck

y -----> the cost of gas for 1 truck

z ----> the total bill

we know that

z=11[x+y]

we have

z=\$694.32

y=(6)(3.52)=\$21.12

substitute and solve for x

694.32=11[x+21.12]

x=(694.32/11)-21.12

x=\$42

7 0
2 years ago
What is the proper mathematical definition of "square root?"
pogonyaev
The square root<span> of a number is a value that, when multiplied by itself, gives the number.</span><span> </span>
6 0
3 years ago
Write y= x^2 - 4x + 6 in vertex form . NEED ASAP!! please !!
worty [1.4K]
First, complete the square.
y = (x^2 - 4x + 4) + 2
y = (x - 2)^2 + 2
There you go. Have a nice day! :)
6 0
3 years ago
Solve for x. x^2−3x−70=0<br><br> x^2 is x to the second power
timurjin [86]
X² <span>− 3x − 70=0
</span>x² + 7x - 10x − 70=0
x(x+7) - 10(x+7) = 0
(x+7)(x-10) = 0

x + 7 = 0   or   x - 10 = 0
x = -7              x = 10

Answer: x=-7,  x=10 
3 0
3 years ago
Read 2 more answers
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