2 years ago

Find the surface area of a rectangular prism with length 18 inches, width 6 inches, and height 4 inches.

Mathematics

1 answer:

Sever21 [200]2 years ago

4 0

If its volume (Not so sure about surface area?) than its 432 inches^3

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What is the value of x? Show your work each step of the way. No work means NO points!

Brrunno [24]

Answer:

The value of x is -10.

Step-by-step explanation:

Given : Expression $3x-8=\frac{8x+4}{2}$

To find : What is the value of x?

Solution :

Step 1 - Write the expression,

$3x-8=\frac{8x+4}{2}$

Step 2 - Cross multiply,

$6x-16=8x+4$

Step 3 - Take like terms together,

$6x-8x=4+16$

Step 4 - Solve,

$-2x=20$

$x=-\frac{20}{2}$

$x=-10$

Therefore, The value of x is -10.

5 0

3 years ago

If a political poll indicates that a 95% confidence interval for a presidential approval rating is between 47% and 57%, what is

jarptica [38.1K]

The answer is that the assumed margin of error is 5%.
Here is how we calculate this;
<span>presidential approval rating is between 47% and 57%
</span>(57% - 47% ) / 2 = 10/2 = 5%

7 0

3 years ago

The temperature is -3°C. As the day progresses, the temperature increases by 8°C, then drops by 6°C. Find the final temperature.

Volgvan

We know that the initial temperature is -3 then it rises to 8 and drops by 6 degrees then you just need to subtract six from 8 $\displaystyle\ 8-6=2^\circ \\\\Answer: the\ secondary\ temperature \ will \ be equal \ to \ 2^\circ$