3 years ago

Help me with these 2 geometry questions ..(random answers will be reported)

Mathematics

1 answer:

sesenic [268]3 years ago

8 0

C

C
That is the answers

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(2n-9)-(-2.4n+4)Find the difference.

raketka [301]

Answer:

The difference is 4.4n−13.

Step-by-step explanation:

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3 years ago

Please help me......

likoan [24]

Answer:

$\frac{3}{8}$

Step-by-step explanation:

$A=6*\frac{1}{4} ^2\\\\A=6*\frac{1}{16} \\\\A=\frac{6}{16} \\\\A=\frac{3}{8}$

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3 years ago

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What is the explicit formula for this sequence -7, -4, -1, 2, 5

Nataliya [291]

Answer:

$\large\boxed{a_n=3n-10}$

Step-by-step explanation:

It's an arithmetic sequence.

$-4-(-7)=-4+7=3\\-1-(-4)=-1+4=3\\2-(-1)=2+1=3\\5-2=3$

The difference is constant.

The explicit formula of an arithmetic sequence:

$a_n=a_1+(n-1)d$

Substitute:

$a_1=-7,\ d=3$

$a_n=-7+(n-1)(3)$ <em>use distributive property</em>

$a_n=-7+3n-3\\\\a_n=3n+(-7-3)\\\\a_n=3n-10$

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3 years ago

Help please photo is above

Zina [86]

Answer:

y = 5

x = 10

Step-by-step explanation:

-4(2y) + 11y

-8y + 11y = 15

3y = 15

/ 3 /3

y = 5

x = 10

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2 years ago

Which country was the first to industrialize on the continent of Europe

maxonik [38]

britain is your answer

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3 years ago