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2 years ago

Help asap please and thanks

Mathematics

1 answer:

kolbaska11 [484]2 years ago

8 0

Andrew has the right answer for that question

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Find the volume and surface area of this triangular prism. 12 cm 13 cm 18 cm and 5 cm

Ipatiy [6.2K]

⇒ s = a+b+c2=5+12+132 a + b + c 2 = 5 + 12 + 13 2 = 15 cm.
Area of the base = √s(s−a)(s−b)(s−c)
= √15×10×3×2 15 × 10 × 3 × 2 cm2 = 30 cm2

3 0

1 year ago

Read 2 more answers

3 part question-Show work for part a and part c

blagie [28]

Answer:

Step-by-step explanation:

Part A: You can only use Pythagorean's Theorem on a right triangle.

Part B: The side across from the right angle is the hypotenuse. It has a length of 15.

Part C: To find the missing side using Pythagorean's Theorem:

$a^2+11^2=15^2$ and

$a^2+121=225$ and

$a^2=104$ and

a = 10.20

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2 years ago

Find the distance between the two points S (-5,-2) and T (-3,4).

icang [17]

Answer:

$d =2 \sqrt{10}$

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Algebra II

Distance Formula: $d = \sqrt{(x_2-x_1)^2+(y_2-y_1)^2}$

Step-by-step explanation:

Step 1: Define

S (-5, -2)

T (-3, 4)

Step 2: Find distance d

Substitute: $d = \sqrt{(-3+5)^2+(4+2)^2}$
Add: $d = \sqrt{(2)^2+(6)^2}$
Evaluate: $d = \sqrt{4+36}$
Add: $d = \sqrt{40}$
Simplify: $d =2 \sqrt{10}$

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2 years ago

Solve the equation 14x+8+19x-8

Aliun [14]

Answer:

14x+19x+8-8

=33x

because 8-8 is 0 always so the answer is 33X

5 0

2 years ago

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Would the answer be 12.5

Schach [20]

Yes, it would be 12.5.

5 0

2 years ago