3 years ago

Ella played a math game and had the five cards shown.

Mathematics

1 answer:

wlad13 [49]3 years ago

5 0

4Step-by-step explanation:

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Find x 6787+x=99798999? dom join my remind ......28gc97d

wolverine [178]

Answer:

x=99792212

Step-by-step explanation:

get the x alone by subtracting 6787 from both sides

6787-6787+x=99798999-6787

x=99792212

Hope this helps!

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3 years ago

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A tree broke 6 feet from the bottom. If the top landed 12 feet from the base, how tall was the tree before it broke?

spayn [35]

Answer:

7.4 ft

Step-by-step explanation:

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3 years ago

Which situation is best described by the graph shown?

kramer

Where’s the graph???

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3 years ago

3(n+5)≥3n+8 Solve for n a.n≥23 b. all real numbers c. no solution d. n≥7

Westkost [7]

all real numbers are greater than or equal to the equation

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3 years ago

Consider the series 4 + 12 + 36 ... Find the sum of the first 9 terms.

jeyben [28]

Answer:

39364

Step-by-step explanation:

You can simplify the equation to make 4(1+3+9...) The nth term is therefore $3^{n-1}$ so u can substitute that into the equation so 4( $3^{n-1}+ 3^{n} + 3^{n+1}$ ..). This would simplify to 4( $3^0 +3+3^2$ + $3^3+3^4+3^5+3^6+3^7+3^8$ ). By simplifying this, you can make it so 4( $2^2+6^2+18^2+42^2+81^2$ ) = 4(4+36+324+2916+6561) =39364

3 0

2 years ago