3 years ago

What is the value of the expression when x=4?* 4x3 + 4x

Mathematics

1 answer:

lina2011 [118]3 years ago

5 0

Answer:

38 38 38 38 38 38 38 38okay so all you're going to do 4 * 3 + 4 * 4 what is going to give you 12 +16

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4380 rounded to the nearest 100

maks197457 [2]

4,400

The number 3 is in the hundredths place the 8 is behind the 3 so it’s larger than 5 so you turn the 3 into a 4(4,400) and turn all the numbers behind zero (4,400).

4 0

3 years ago

Read 2 more answers

2/3x+14-3x>-7

Ray Of Light [21]

Answer:

$\large\boxed{x$

Step-by-step explanation:

$\dfrac{2}{3}x+14-3x>-7\qquad\text{subtract 14 from both sides}\\\\\dfrac{2}{3}x+14-14-3x>-7-14\\\\\dfrac{2}{3}x-3x>-21\qquad\text{multiply both sides by 3}\\\\3\!\!\!\!\diagup^1\cdot\dfrac{2}{3\!\!\!\!\diagup_1}x-(3)(3x)>(3)(-21)\\\\2x-9x>-63\\\\-7x>-63\qquad\text{change the signs}\\\\7x$