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xeze [42]
3 years ago
5

Simplify the expression 9(10 + 5) / (6 - 5) A.95 B.135 C.85 D.17

Mathematics
2 answers:
il63 [147K]3 years ago
8 0
Follow PEMDAS

first simplify the parenthesis

10 + 5 = 15
6 - 5 = 1

9(15)/1

multiply 9 and 15 together

9(15) = 135

135/1 = 135

B. 135 is your answer

hope this helps
noname [10]3 years ago
7 0
Hi there
It would be 135
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Corrected Question

The triangular prism shown has 1, 2, 3 or 5 triangular faces and 1,2,3, or 5 lateral faces.

The area of one triangular face is 7.5,8.125,15,or 17  mm^2

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Answer:

(B)2 triangular faces

(C)3 lateral faces.

(A)Area of one Triangular Face =7.5mm^2

(C)Total Surface Area of the Triangular prism =135mm^2

Step-by-step explanation:

The triangular prism is attached.

The triangular prism shown has 2 triangular faces and 3 lateral faces.

Base of the triangle =2.5mm

Height of the Triangle =6mm

Area of one Triangular Face =\frac{1}{2}*6*2.5=7.5mm^2

The dimensions of the lateral rectangles are:

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Therefore, total surface area of the triangular prism

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Total Surface Area of the Triangular prism =135mm^2

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3 years ago
Devon has 14 steel balls of equal weight. If he puts 8 of them in one pan of a balance, and the rest along with a weight of 20 g
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In one pan you have 8 balls: 8n
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Now, just solve the equation:
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slava [35]

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