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mote1985 [20]
4 years ago
8

(8 + x) (3 + x) = 50

Mathematics
1 answer:
Harlamova29_29 [7]4 years ago
4 0
X^2+11x+24-50=0
X^2+11x-26=0
(X+13)(x-2)=0
X=-13 and x=2
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2. Cement has a density of 3.0 g/cm3. You must pour a cement walkway with the
Anon25 [30]

For this case we have to by definition:

d = \frac {M} {V}

Where:

d: It is the density

M: It's the mass

V: It is the volume

According to the data we have to:

d = 3.0 \frac {g} {cm ^ 3}

On the other hand we have that 1 meter is equivalent to 100 centimeters. Thus the measurements of the walkway are:

600 cm long, 100 cm wide and 10 cm thick. Looking for the volume we have:

V = 600 * 100 * 10\\V = 600,000 cm ^ 3

According to the formula we have:

M = d * V\\M = 3.0 \frac {g} {cm ^ 3} * 600,000 cm ^ 3\\M = 1,800,000g

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7 0
4 years ago
Solve for x: -4x – 18 = 22
Radda [10]

Answer:

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Step-by-step explanation:

8 0
3 years ago
I need to find the overall answer and explanation of how to get it
mixas84 [53]
Okay this one is simple once when you get an understanding of what they are asking. First divide the numerators by the denominators. 2/5=0.4 this is terminating because there are no numbers after it ends at 4. 7/45 is 0.15555556... this is repeating because it keeps on going. 5/99 is 0.05050505... repeating. Lastly 27/250 is 0.108 this is terminating because it stops. :) Hope this helps.
8 0
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Help here please ik this is easy but I have been in my computer for more than 12 hours pleaseeee help
lys-0071 [83]

Answer:

26 divided by 2

13

Step-by-step explanation:

divide the number of the apples in 2 trees by the number of apples that WOULD be in 1 tree

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7 0
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