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3 years ago

I really need help its 7th grade math1!

Mathematics

1 answer:

Gelneren [198K]3 years ago

3 0

ANSWER:
graph y = 4x - 12 (use desmos graphing calc if needed)
EXPLANATION:
y = mx + b
y = 4x + b
0 = 4(3) + b
0 = 12 + b
-12 = b
y = 4x - 12

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Free_Kalibri [48]

Answer:

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3 years ago

X, 2X + 11 and 4X - 3 are consecutive terms of an arithmetic sequence. Find the constant difference between terms. Give a formul

Anna007 [38]

Common difference between the terms is 36

Formula for nth term is $a_n=36n-11$

27th term is 961

Given :

X, 2X + 11 and 4X - 3 are consecutive terms of an arithmetic sequence

To Find:

We need to find the constant difference between the given terms and also find the nth term . Also find the 27th term .

To find the difference , we need to take the difference of consecutive terms

$2x+11-x=x+11\\\\4x-3=(2x+11)= 4x-3-2x-11=2x-14$

Both the common differences are equal

$x+11=2x-14\\Solve \; for \; x\\Subtract \; x\\11=x-14\\Add \; 14\\x=25$

First term is 25

second term is 2(25)+11=61

Difference is 61-25=26

Common difference = 36

Use nth term formula is

$a_n=a+(n-1)d\\a=25 (first term )\\d=36\\a_n=25+(n-1)(36)\\a_n=25+36n-36\\a_n=36n-11$

To find 27th term , replace n with 27

$a_{27}=36(27)-11=961$

Learn more : brainly.in/question/41142594

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3 years ago

Please help im confused

Veronika [31]

Answer:

m∠1 = 43°27'
m∠2 = 136°33'
m∠4 = 136°33'

Step-by-step explanation:

Angles 1 and 3 are vertical angles, so are equal:

m∠1 = m∠3 = 43°27'

Angles 2 and 3 are a linear pair, so are supplementary:

m∠2 = 180° - m∠3 = 180° - 43°27' = 136°33'

Angles 2 and 4 are also vertical angles, so are equal:

m∠4 = m∠2 = 136°33'

_____

There are 60 minutes in a degree, so 180° is the same as 179°60'. Subtraction can proceed in the usual way after this rewrite:

180° - 43°27' = 179°60' -43°27'

= (179 -43)° +(60 -27)' = 136°33'

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3 years ago