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uranmaximum [27]
3 years ago
15

If we had a Pyramid with a hexagonal base, how many of these pyramids would it take to fill up a hexagonal Prism with a congruen

t base, and equal height?
Mathematics
1 answer:
klemol [59]3 years ago
5 0
Idk what is the answers
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Find the surface area of the cone.Use 3.14 for pi and round your answer to the nearest hundredth
atroni [7]

Answer:

145.0 cm^2

Step-by-step explanation:

Given data

r= 4cm

l= 5cm

h=??

Apply Pythagoras theorem to find h we have

h^2= 4^2+5^2

h^2= 16+25

h^2= 41

h=√41

h= 6.4cm

Substitute into the formula for the surface area of cone

A=πr(r+√h^2+r^2)

A=3.14*4(4+√6.4^2+4^2)

A=12.56(4+√40.96+16)

A=12.56(4+√56.96)

A=12.56(4+7.547)

A=12.56*11.547

A=145.0 cm^2

4 0
3 years ago
-1/13-10/39 please solve for me I dont seem to get it
natima [27]

Answer:

\frac{-1}{3}

Step-by-step explanation:

\frac{-1}{13} - \frac{10}{39}

Find common denominator for 13 and 39

common denominator is 39

rewrite fractions so they have the same denominator

\frac{-1}{13} = \frac{-3}{39}

add them up

\frac{-3}{39} + \frac{-10}{39}  = \frac{-13}{39}

simplify/ put in the lowest terms

\frac{-1}{3}

5 0
3 years ago
Find the domain & range, pls helpp
shutvik [7]

Answer:

Domain: 1, 6

Range: 4

Step-by-step explanation:

The Domain is the first coordinate which is x

The Range is the second coordinate which is y

5 0
3 years ago
Read 2 more answers
The mean test score of 12 students is . 42
KATRIN_1 [288]

Answer:

45 becasue it has to be over 43

Step-by-step explanation:

6 0
2 years ago
Can anyone help me out on this not too sure on this
Paraphin [41]

Answer:

y = 0.1x - 4

Step-by-step explanation:

Given the following data;

Points on the x-axis (x1, x2) = (-3, 7)

Points on the y-axis (y1, y2) = (-7, -6)

First of all, we would find the slope;

Mathematically, slope is given by the formula;

Slope = \frac{Change \; in \; y \; axis}{Change \; in \; x \; axis}

Slope, m = \frac {y_{2} - y_{1}}{x_{2} - x_{1}}

Substituting into the equation, we have;

Slope = (-6 - (-7))/(7 - (-3))

Slope = (-6 + 7)/(7 + 3)

Slope = 1/10

Slope = 0.1

Next, we would write the equation using the formula;

y - y1 = m(x - x1)

y - (-7) = 0.1(x - (-3))

y + 7 = 0.1(x + 3)

y + 7 = 0.1x + 3

y = 0.1x + 3 - 7

y = 0.1x - 4

5 0
3 years ago
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