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WINSTONCH [101]
3 years ago
12

Determine whether the given value is a discrete or continuous variable. People are asked to state how many times in the last mon

th they visited their family doctor.
Mathematics
1 answer:
exis [7]3 years ago
8 0
Discrete because they replies can only be integer
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If 0.5x-3=2-0.75x then 2x =?
Anvisha [2.4K]

Answer:

8

Step-by-step explanation:

Step 1:

0.5x - 3 = 2 - 0.75x  Equation

Step 2:

1.25x - 3 = 2     Add 0.75x on both sides

Step 3:

1.25x = 5     Add 3 on both sides

Step 4:

5 ÷ 1.25  Divide

Step 5:

x = 4  Solution to x

Step 6:

2 × 4    Multiply to find answer of 2x

Answer:

2x = 8

Hope This Helps :)

5 0
3 years ago
The price P of a large cheese pizza is 7.95Plus .75 for each topping t on the pizza
VARVARA [1.3K]
What is it you need? If it's the equation: P=.75+7.95.
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3 years ago
What term refers to the study of the biological systems and mechanisms?
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3 0
3 years ago
Which would you measure using inches?
OverLord2011 [107]

Answer:

Length of a pen

Step-by-step explanation:

Because it is comparatively smallest than other,

and we use inches method to measure smaller length.

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3 years ago
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Slav-nsk [51]

Answer:

  1. q = 7p²
  2. q = 48/p
  3. q = 48/p . . . same table as 2
  4. q = 1/3p

Step-by-step explanation:

When faced with identifying sequences or forms of variation, the usual ones we look for are ...

  • directly proportional (y = kx)
  • inversely proportional (y = k/x)
  • proportional to the square (y = kx²)
  • related by some polynomial function (y = ax³ +bx² +cx +d)
  • exponential (y = a·b^x)

Proportional relations will have a constant ratio between y and x. That ratio is the value of k.

Inversely proportional relations will have a constant product of x and y. That product is the value of k.

Relations that are proportional to a square will have ratios of adjacent terms that are ratios of square numbers. (It is helpful to be familiar with the first few square numbers, at least.)

Exponential relations will have a constant ratio between terms, the value of b.

Polynomial relations will have constant n-th differences when the polynomial is of degree n. (First differences of a linear sequence are constant. Second differences of a "proportional to square" sequence are constant.)

In these tables, we assume q is the output and p is the input. The constant in each equation is the "constant of variation."

__

<h3>1. </h3>

Ratios of q-values are 28/7 = 4, 63/28 = 9/4, 112/63 = 16/9. These are ratios of consecutive squares. The constant of variation is the multiplier of 1² that results in the first term: 7

  q = 7p²

__

<h3>2, 3.</h3>

The products of table values are pq = 48. The equation is ...

 q = 48/p

__

<h3>4. </h3>

Ratios q/p are all the same, 2/6 = 4/12 = ... = 1/3. This is the constant of proportionality:

  q = 1/3p

4 0
2 years ago
Read 2 more answers
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