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aalyn [17]
3 years ago
12

Find the total surface area for the hexagonal prism?

Mathematics
1 answer:
Mnenie [13.5K]3 years ago
5 0

Answer:

572.5

Step-by-step explanation:

A=6ah + 3√(3) a²= 6·8·5+3√(3)·8²≈572.55376

a is base length and h is height

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Thomas drew a line of best fit for the scatter plot as shown. Enter an equation for the line of best fit in slope-intercept form
juin [17]

Answer:

Equation of line best fits the scatter plot is y = -\frac{30}{7} x + 108

Step-by-step explanation:

Let the equation of line be y = mx + c

where m = slope of line and c is the intercept on y -axis

from the graph intercept on y-axis is 108

and the slope of line is given by m = \frac{y_2 - y_1}{x_2 - x_1} where (x_2,y_2) and (x_1,y_1) is the points on line

let, points be (4,96) and (18,36)

on calculating this m = \frac{y_2 - y_1}{x_2 - x_1} = -\frac{30}{7}

Therefore equation of line best fits the scatter plot is y = -\frac{30}{7} x + 108

4 0
3 years ago
Chanda can bake and decorate 72 cookies in 2.5 hours. At this rate,how long will it take her to bake and decorate 108 cookies?
In-s [12.5K]

Hello there! A. 3.75 hours is your answer.

Okay, so lets start by finding the unit rate. To find the unit rate, we can use this formula: total ÷ time = unit rate.

total (72 cookies) ÷ time (2.5 hours) = unit rate. (how many cookies she can decorate and bake in an hour)

72 ÷ 2.5 = 28.8 cookies an hour

Now that we have this information, replace the 180 cookies in for the total number and use algebra to solve.

180 cookies ÷ x time = 28.8

Since 180 is a little more than 2 times 72, A would best fit since 3.75 is much closer to 2.5 than the other options. To check this, we can place 3.75 in for x in 180 ÷ x = 28.8.

180 ÷ 3.75 = 28.8.

So, this is your correct answer.

7 0
3 years ago
Can someone help???
OLga [1]
The formula for that is V=\frac{lwh}{3}
but the answer is 4,940cm³ so C.
6 0
3 years ago
Read 2 more answers
Pleaseeeee someone help due at 10 pm today!<br> 2x^2-x+1=0
hammer [34]

Answer:

No real solutions!!! That is the answer.

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Help, fast pls. I don't know how to do this and don't have notes for the class.
iogann1982 [59]

Step-by-step explanation:

according to the drawing,

for x = 0 => y = 12

the coordinates of y-intercept : (0, 12)

so, y = f(0) = 12

The correct answer is 12 only

5 0
2 years ago
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