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3 years ago

Pls help asap! i will mark brainliest!

Mathematics

1 answer:

labwork [276]3 years ago

4 0

Step-by-step explanation:

none of them duu what elts is it

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What is the sum of the series? ∑ k=1 4 3 k 2

AleksAgata [21]

I got this on the calculator.

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3 years ago

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When r = 4, S = 9, and t = 2. *<br> 5r2 + 4s<br> (4 + 6t) - 12<br> pls help!!

Lina20 [59]

Step-by-step explanation:

5×16+4×9=116

(4+6×2)-12=4

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3 years ago

Solve 3x−5 = 9 help solve for x

MrMuchimi

Answer:

x=14/6

Step-by-step explanation:

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2 5/7+4 3/5= help please

Ainat [17]

Answer:

$7\frac{11}{35}$

Step-by-step explanation:

$2\frac{5}{7}+4\frac{3}{5}$

add the whole numbers

$2+4=6$

combine the fractions

$\frac{5}{7}+\frac{3}{5}$

LCM is 35 because 7 * 5 =35

$\frac{5}{7}=\frac{5\cdot \:5}{7\cdot \:5}=\frac{25}{35}$

$\frac{3}{5}=\frac{3\cdot \:7}{5\cdot \:7}=\frac{21}{35}$

$\frac{25}{35}+\frac{21}{35}=\frac{25+21}{35}$

$=\frac{46}{35}$

change the improper fraction into mixed number

$6+1\frac{11}{35}$

$=7\frac{11}{35}$

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4 years ago

According to the diagram, point B lies on how many faces of the pyramid?

Scrat [10]

Answer:

POINT B LIES ON FOUR FACES OF THE PYRAMID

Step-by-step explanation:

A PYRAMID HAS FIVE FACES IN THAT FOUR ARE TRIANGLE ONE IS SQUARE AS POINT B LIES AT THE TOP OF FOUR TRIANGLES WE CONSIDER AS IT LIES ON FOUR FACES OF A PYRAMID

I'VE TRYED MY LEVEL TO HELP YOU ONLOCK A STAR AND ADD ME AS BRAINLIEST

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3 years ago