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Semenov [28]
3 years ago
12

Explain the difference between rational numbers and integers.

Mathematics
1 answer:
Brut [27]3 years ago
5 0
Rational numbers are positive and negative numbers that can be said or seen fully (ex. 5 or 2.391); unlike irrational numbers that go on forever like pi.

Integers are negative and positive whole numbers, that do not include fractions or decimals. (ex. -1, 0, 50, -230)
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A volleyball player sets the ball in the air, and the height of the ball after t seconds is given in feet by h= -16^2+12t+6. A t
JulsSmile [24]

h=-16²+12t+6

8=-256+12t+6

256-6+8=12t

-258=12t

t=-258/12

t=21.5

7 0
3 years ago
Brenda has $30. She gets $5 every time she takes out the trash. Which inequality can be used to find x, the number of times Bren
kobusy [5.1K]

Brenda has to take out the trash more than 4 times to have more than $50.

Step-by-step explanation:

Given,

Amount Brenda already have = $30

Amount she gets each time for throwing trash = $5

Amount she wants to have = More than $50

Let,

x be the number of times she throws trash.

Amount for throwing trash * Number of times trash thrown + Amount already have > Amount she wants to have

5*x+30>50\\5x>50-30\\5x>20

Dividing both sides by 5

\frac{5x}{5}>\frac{20}{5}\\x>4

Brenda has to take out the trash more than 4 times to have more than $50.

Keywords: variable, inequality

Learn more about variables at:

  • brainly.com/question/9969022
  • brainly.com/question/9801816

#LearnwithBrainly

4 0
3 years ago
Expand and simplify 5(2x-1) -2(3x+2) First person to answer gets brainliest !!
BlackZzzverrR [31]
Expanded: 4x-9
Simplified: 4x-9
8 0
3 years ago
Read 2 more answers
5. Distribute the expression -2(v-10)
mrs_skeptik [129]

Answer: -2v-20

Step-by-step explanation: -2 times v is -2v

and -10 times -2 is -20.

7 0
3 years ago
Read 2 more answers
ALEGBRA 1 ! help. me. please. this. is. so. hard. i dont. understand it.
ANEK [815]

Answer:

Part a) to find the maximum height of the snowball, you have to differentiate the function. Therefore you get ----> dh/dt= -32x-8 . Now equate this to zero and solve for x. x= (-1)/4 now sub this value in to find h(x) [note: i'm talking about the original function] . I got h max = h((-1)/4) = 9 which is the max height.

Step-by-step explanation:

I'm not too sure about the other questions. Sorry

8 0
3 years ago
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