Please help. i dont understand what i have to do and how to get it. thank you

Answers

Answer 1

Answer:

Answer:

$\left[\begin{array}{ccc}9\n10\n\end{array}\right]$

Step-by-step explanation:

Evaluate 3a by multiplying each element by 3

3a = 3 $\left[\begin{array}{ccc}2\n4\n\end{array}\right]$ = $\left[\begin{array}{ccc}3(2)\n3(4)\n\end{array}\right]$ = $\left[\begin{array}{ccc}6\n12&\n\end{array}\right]$ , then

3a + b

= $\left[\begin{array}{ccc}6\n12\n\end{array}\right]$ + $\left[\begin{array}{ccc}3\n-2\n\end{array}\right]$ ← sum corresponding elements

= $\left[\begin{array}{ccc}6+3\n12-2\n\end{array}\right]$

= $\left[\begin{array}{ccc}9\n10\n\end{array}\right]$

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Round each number to the nearest hundredth. what is the best estimate for the answer to 434.657 102.494?

Answers

434.657, hundredth digit is 5, after the 5 is 7, since the 7 is more than 5, we add 1 to the hundredth digit 5, to make it become 6.

434.657 ≈ 434.66 to the nearest hundreth.

102.494, hundredth digit is 9, after the 9 is 4, since the 4 is less than 5, we the hundredth digit remains as 9.

102.494 ≈ 102.49 to the nearest hundreth.

Hope this helps.

Answer:

102.49 hope helps!!

Step-by-step explanation:

√48a^4 b^5 c^3 d simplify and keep it in radical form

Answers

I will assume the square root extends all the way across.

$√(48a^4b^5c^3)$

$√(2^4\cdot3\cdot a^4b^5c^3)$

$√((2^2)^2\cdot3\cdot(a^2)^2\cdot(b^2)^2\cdot b\cdot c^2\cdot c)$

$√((4)^2\cdot3\cdot(a^2)^2\cdot(b^2)^2\cdot b\cdot c^2\cdot c)$

$√((4\cdot a^2 \cdot b^2 \cdot c)^2\cdot3\cdot b\cdot c)$

$4\cdot a^2\cdot b^2\cdot c√(3\cdot b\cdot c)$

$\boxed{4a^2b^2c√(3bc)}$

There are 480 light bulbs to be packed in boxes of 8. If 20% are cracked, how many boxes are needed to pack the remaining bulbs? a) 48 boxes b) 52 boxes c) 60 boxes d) 56 boxes

Answers

Answer: 48 Boxes

Step-by-step explanation:

20% of 480 = 0.20 x 480 = 96 cracked

480 - 96 = 384

384 ÷ 8 = 48 boxes

A grocery store clerk is putting cans of soup on the shelves.She has 12 boxes,wich each contain 24 cans of soup.Altogether,how many cans of soup will the clerk put ont he shelves

Answers

it's 12x24=288 problem solved

Help me solve this problem please

Answers

Answer:

Step-by-step explanation:

-3x^2+4x+5 what are the step to finding this answer?

Answers

-3x^2+4x+5= 2x(2x+7)

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