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3 years ago

I need help on this geometry question on triangles

Mathematics

2 answers:

hram777 [196]3 years ago

8 0

I think it is 53 because 3*26 equal 71 so sub by 12 i think and there

timama [110]3 years ago

3 0

I hope this helps you

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I need help on this, please hurry and thank you!

inna [77]

Answer:

$A.\ a_n=n^2+1$

Step-by-step explanation:

$Check:$

$a_n=n^2+1\\\\a_1=1^2+1=1+1=2\qquad CORRECT\\\\a_2=2^2+1=4+1=5\qquad CORRECT\\\\a_3=3^2+1=9+1=10\qquad CORRECT\\\\a_4=4^2+1=16+1=17\qquad CORRECT\\\\a_5=5^2+1=25+1=26\qquad CORRECT$

Used PEMDAS:

P Parentheses first

E Exponents (ie Powers and Square Roots, etc.)

MD Multiplication and Division (left-to-right)

AS Addition and Subtraction (left-to-right)

First Power, next Addition

4 0

3 years ago

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??????????????????????

natita [175]

Answer:

Figure out what x is for both equations, then you can tell if the equations are the same

Step-by-step explanation:

1. 4x+1=9

x = 2

4 x 2= 8

2x+1=5

x = 2

2 x 2 = 4

4 does not = 9 so no.

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3 years ago

What are words for Bobbed

velikii [3]

coiffed, cropped, cut, shortened, trimmed

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3 years ago

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A shape is made of 12 right triangles of equal size. Each right triangle has a base of 4cm and a height of 5cm. What is the tota

Natalka [10]

Answer: 120 cm²

Step-by-step explanation:

Let's start by finding the area of one triangle

The formula for finding the area of a triangle is $A=\frac{hb}{2}$

Where

A is the area

h is the height (5 for this)

and b is the base (4 for this)

Let's sub in our values and solve.

$A=\frac{(5)(4)}{2}\\A=\frac{20}{2}\\A=10$

Since there are 12 triangles in the shape we must multiply our area for one triangle by 12 to find the total area of the shape

12×10=120

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ziro4ka [17]

Answer:

The answer is the last one!! 3/14

Step-by-step explanation:

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