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Mrrafil [7]
2 years ago
7

URGENT WILL GIVE BRANLIEST IF CORRECT!!! A car is moving at 22.5 m/s, when it begins to accelerate at 1.45 m/s². How much time d

oes it take to travel 60.2 m?
(Unit = s)
Mathematics
1 answer:
ahrayia [7]2 years ago
4 0

Answer:

2.48 seconds

Step-by-step explanation:

See attached

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jeremy drew a polygon with four right angles and four sides with the same length.what kind of polygon did jeremy draw?
FromTheMoon [43]
A square has 4 right angels and 4 sides with equal angels ;)
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3 years ago
Write 79/10 as a mixed number
oee [108]

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7 9/10

Step-by-step explanation:

cuz mah brain big

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Absolute value of -4 1/2
iragen [17]

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3 years ago
Solve: In 2x + In 2 = 0<br> DONE
pychu [463]

Answer:

x=\frac{1}{4}

Step-by-step explanation:

We can use some logarithmic rules to solve this easily.

<em>Note: Ln means Log_e</em>

<em />

Now, lets start with the equation:

ln(2x) + ln(2) = 0\\ln(2x) = -ln(2)

Writing left side with logarithmic base e, we have:

Log_{e}(2x) = -ln(2)

We can now use the property shown below to make this into exponential form:

Log_{a}b=x\\means\\a^x=b

So, we write:

Log_{e}(2x) = -ln(2)\\e^{-ln(2)}=2x

We recognize another property of exponentials:

a^{bc}=(a^{b})^{c}

So, we write:

e^{-ln(2)}=2x\\(e^{ln(2)})^{-1}=2x

Also, another property of natural logarithms is:

e^{(ln(a))}=a

Now, we simplify:

(e^{ln(2)})^{-1}=2x\\(2)^{-1}=2x\\\frac{1}{2}=2x\\x=\frac{\frac{1}{2}}{2}\\x=\frac{1}{4}

This is the answer.

7 0
3 years ago
A storage tank holds 235,500 in3 of a chemical. The chemical is dispensed to completely fill 25 identical cylindrical containers
VMariaS [17]
The volume of every of the 25 cylindrical containers is 235,500/25 = 9,420 in^3

The formula for the volume of a cylinder is:

V = π(r^2).h

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h = V / (πr^2) = 9,420 / [(3.14) (2.5^2)] = 480 in
8 0
3 years ago
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