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victus00 [196]
3 years ago
13

Evaluate 1/3 m - 1 - 1/2 n when m = 21 and n = 12

Mathematics
1 answer:
Dmitry_Shevchenko [17]3 years ago
3 0

Answer:

0

Step-by-step explanation:

1/3(21)-1-1/2(12)

7-1-6=6-6=0

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Find the domain of the graphed function.
lesya692 [45]
{X| -4 < x < 2, X € R}

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3 years ago
I need help with This question it saids how would you compare 2.3 feet To 27.1 inches
Savatey [412]

Answer:

TOP RIGHT BOX

2.3 x 12 = 27.6

27.6 > 27.1

Step-by-step explanation:

First thing you need to do is make their units the same.

There are 12 inches in a foot so we convert 2.3 feet to inches by multiplying 2.3 by 12:

2.3 x 12 = 27.6

You can also approach it like this:

12in = 1 ft

2.3ft\times\dfrac{12inches}{1ft}=27.6

So if we compare the two then we know that:

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3 years ago
Find the discriminant and determine the number of real roots for each equation. Show steps.
Leni [432]

Answer:

discriminant:  4; number of real roots:  2

Step-by-step explanation:

The coefficients a, b and c of this quadratic are {-3, -2, 0}.

Thus, the discriminant b^2 - 4ac is (-2)^2 - 4(-3)(0), or 4.

Because the discriminant is positive, this quadratic has two real, unequal roots.

-3p^2 - 2p can be factored as follows:  -p(3p + 2).  If we set this expression equal to zero, we can find the roots:  {-2/3, 0}

7 0
3 years ago
The POTW clubhouse needs to replace their front steps. A suggestion for the
Furkat [3]

Answer:

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7 0
3 years ago
Read 2 more answers
Olly drove 56 km from Liverpool to Manchester.
yawa3891 [41]

Answer:

57.073 km/h approx.

Step-by-step explanation:

Total distance from Liverpool to Sheffield

= 56 + 61 km

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Time from Liverpool to Manchester

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=0.8 hours

Time from Manchester to Sheffield

=75 mins

=1.25 hours

Total time = 0.8 h + 1.25 h

= 2.05 hours

Average speed from Liverpool to Sheffield

= 117 ÷ 2.05

= 57.073 km /h

Please mark as brainliest

8 0
3 years ago
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