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Alexus [3.1K]
3 years ago
5

NEED THIS ANSWERED!!!

Mathematics
1 answer:
Marta_Voda [28]3 years ago
4 0

Answer:

277.3 unit^3

Step-by-step explanation:

volume of triangular pyramid = 1/3 * A*H

H= 16

A is the area of base triangle

A= 1/2 * bh

b = 13

h = 8

A = 52 unit^2

volume = 1/3 * 52 * 16 = 277.3

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Pleaze help will give Branliest
Mariulka [41]

Perimeter of the ΔJKL is 48 cm

Solution:

Given \triangle \mathrm{RST} \sim \Delta \mathrm{JKL}.

RS = 8 cm and JK = 12 cm

Perimeter of \triangle R S T = 32 cm

Let us find the perimeter of \Delta J K L.

<u>Property of similarity triangles:</u>

If two triangles are similar, then the ratio of their perimeters is equal to the ratio of their corresponding sides.

$\frac{\text{Perimeter of}\  \triangle RST }{{\text{Perimeter of}\ \triangle JKL}} =\frac{RS}{JK}

$\Rightarrow\frac{32 }{{\text{Perimeter of}\ \triangle JKL}} =\frac{8}{12}

Do cross multiplication.

$\Rightarrow 32\times 12 ={8}\times {\text{Perimeter of}\ \triangle JKL}

$\Rightarrow 384 ={8}\times {\text{Perimeter of}\ \triangle JKL}

Divide both sides of the equation by 8.

$\Rightarrow 48 = {\text{Perimeter of}\ \triangle JKL}

Hence perimeter of the ΔJKL is 48 cm.

5 0
4 years ago
Find the least common multiple of the following polynomials: 5y^2-80 and y+4
algol [13]
5y^2 - 80 = 5(y^2-16) = 5(y - 4)(y + 4)

LCM of 5(y - 4)(y + 4) and (y + 4) is 5(y - 4)(y + 4) 

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Answer: 5(y - 4)(y + 4) (Answer D)
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3 0
3 years ago
Read 2 more answers
3+2⋅[(2+1)⋅5+8] need the answer please
s2008m [1.1K]

Hey!

----------------------------------------------

Solution:

Remember to follow PEMDAS!

= 3 + 2 ⋅ [(2 + 1) ⋅ 5 + 8]

= 3 + 2 ⋅ [(3) ⋅ 5 + 8]

= 3 + 2 ⋅ [(15) + 8]

= 3 + 2 ⋅ [23]

= 3 + 46

= 49

----------------------------------------------

Answer:

49

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Hope This Helped! Good Luck!

8 0
3 years ago
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The brand name of a certain chain of coffee shops has a 54% recognition rate in the town of Coffleton. An executive from the com
Jet001 [13]

Answer:

16.9177%  or .169177

Step-by-step explanation:

Binomial i think

10C4*.54⁴*(1-.54)⁶= 16.9177%

8 0
3 years ago
Can someone help me on this and i will help u on one that ur stuck on, cuz im kinda confused on this
enot [183]

Answer:

8900 meters

Step-by-step explanation:

Cuz u move the decimal place back by 3

8 0
3 years ago
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