3 years ago

Please help me I don’t understand what I’m supposed to do ! Unit 1 - Triangle Congruence

Mathematics

1 answer:

Luba_88 [7]3 years ago

6 0

Answer:

i dont either

Step-by-step explanation:

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A bag contains yellow marbles and green marbles, 38 in total. The number of yellow marbles is 6 less than 3 times the number of

KIM [24]

Answer:

3n - 6 = 38

3n -6 + 6 = 38 + 6

3n = 44

3n/3 = 44/3

n = 44/3

Step-by-step explanation:

1. set up the equation (the - affect the 6 not the 3)

2. add 6 to both sides

3. divide both sides by 3 to get n

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4 years ago

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Alenkasestr [34]

Answer:

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c. 119

Step-by-step explanation:

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3 years ago

Read 2 more answers

Somebody please help meeeee

azamat

Step-by-step explanation:

$\frac{2 + 3i}{4 - 5i}$

$\frac{(2 + 3i)(4 + 5i)}{(4 - 5i)(4 + 5i)}$

$\frac{8 + 10i + 12i + 15 {i}^{2} }{16 - 25 {i}^{2} }$

$\frac{8 + 22i + 15( -1 )}{16 - 25 ( - 1)}$

$\frac{8 - 15 + 22i}{16 + 25}$

$\frac{ - 7 + 22i}{41}$

So, a= -7

b= 22

c= 41

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3 years ago

Find the volume and tell me if cavalieri's principle applies to the figure<br> Need answer ASAP

Volgvan

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4 years ago

Area of a rectangle is 42 sq inches and one side is 12 inches long what is the perimeter of the rectangle?

12345 [234]

Area if the rectangle = 42 sq. inch
Area of a rectangle = l × b
42 = 12 × b
b = 42/12 = 3.5 inch
Now, perimeter of a rectangle= 2(l + b)
= 2(12+3.5) = 2(15.5) = 31 inches

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3 years ago