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4 years ago

Help me and told ne how you how you how the answer and you get máster crown

Mathematics

2 answers:

spayn [35]4 years ago

8 0

Answer:

Step-by-step explanation:

well i knew at first glance but correct me if im wrong.

VMariaS [17]4 years ago

4 0

3.25m-cm
=325cm
this is the correct answer

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Heron’s formula: Area = An equilateral triangle has a semiperimeter of 6 meters. What is the area of the triangle? Round to the

nordsb [41]

Answer:

7 m^2

Step-by-step explanation:

$s = \dfrac{a + b + c}{2}$

$A = \sqrt{s(s - a)(s - b)(s - c)}$

$s = 6$

$\dfrac{a + b + c}{2} = 6$

$a = b = c$

$\dfrac{a + a + a}{2} = 6$

$3a = 12$

$a = b = c = 4$

$A = \sqrt{6(6 - 4)(6 - 4)(6 - 4)}$

$A = \sqrt{6(2)^3$

$A = \sqrt{48}$

$A = 6.92820...$

$A = 7~m^2$

4 0

3 years ago

Read 2 more answers

Help pls! 37 points.

Mademuasel [1]

Answer:

7 squares

Step-by-step explanation:

Key skills: Counting, Averages

1) Based on what I counted, there are 11 columns, and 53 squares. If you want an average of 5 squares per column and you have 12 columns, the total number of squares you want is 60.

2) Since there are already 53 squares present, you need 60-53 = 7 squares more.

Hope you understood and have a nice day!!

5 0

3 years ago

Read 2 more answers

Need help with 7-11 please

Mice21 [21]

-4. take 11-7 and then make it negative.

7 0

4 years ago

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Estimate the original volume of the pyramid in Fig. 15.28, given that its frustum has a 4 m by 4 m square top which is 12 m vert

puteri [66]

The volume of the pyramid is 2496 cu.m.

<h3>What is a Pyramid ?</h3>

A pyramid is a three dimensional structure which has a polygon base and in general triangular faces which join at the top .

It is given that

A pyramid $\rm frustum$ has a 4 m by 4 m square top

Height = 12 m

Base = 20 m

The volume of a square pyramid with a $\rm frustum$ is given by

V = (1/2) * ( Area of base + Area of $\rm frustum$ ) * height of the $\rm frustum$ from the base

V = 0.5 * ( 20 *20 + 4*4 ) * 12

V = 2496 cu.m

The volume of the pyramid is 2496 cu.m.

To know more about Pyramid

brainly.com/question/13057463

#SPJ1

8 0

2 years ago

Find the area of the shape

Tema [17]

Answer:

A. 104 cm²

Step-by-step explanation:

The area is:

22*4 + 2*(1/2)*4*4 = 88 + 16 = 104 cm²

Correct choice is A

5 0

3 years ago