3 years ago

Please help me it's confusing

Mathematics

2 answers:

Firdavs [7]3 years ago

6 0

The answer is b)
because 3t is like typing 3*t

Taya2010 [7]3 years ago

6 0

It is the product of 3 and a nunber

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85% of what number is 10.2

Free_Kalibri [48]

Answer:

n = 12

Step-by-step explanation:

85%×n = 10.2

85n/100 = 10.2

85n = 1020

n = 1020 : 85

n = 12

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4 years ago

Add x^3 - 4x^2 + 1 to 3x^2 + x Show Your work!

Sladkaya [172]

$\qquad \qquad\huge \underline{\boxed{\sf Answer}}$

Let's solve ~

$\qquad \sf \dashrightarrow \: (x {}^{3} - 4x {}^{2} + 1) + (3 {x}^{2} + x)$

$\qquad \sf \dashrightarrow \: {x}^{3} - 4 {x}^{2} + 1 + 3 {x}^{2} + x$

$\qquad \sf \dashrightarrow \: {x}^{3} - 4 {x}^{2} + 3x {}^{2} + x + 1$

$\qquad \sf \dashrightarrow \: {x}^{3} - {x}^{2} + x + 1$

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2 years ago

Is —2x+3y=12 parallel, perpendicular, or neither

bixtya [17]

Answer:neither

Step-by-step explanation:

7 0

3 years ago

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What is the least common multiple of the numbers 8 and 12?

faltersainse [42]

The least common multiple is 24

8*3 gets you 24
12*2 gets you 24 as well

Hope this helps

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3 years ago

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A rectangular pyramid fits exactly on top of a rectangular prism. The prism has a length of 15 cm, a width of 5 cm, and a height

rodikova [14]

Answer:

D: 850 cm^3

Step-by-step explanation:

You sum the volumes.

Prism is 15*5*7 = 525

Pyramid is 15*5*13/3 = 325

Sum is 850

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3 years ago