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nika2105 [10]
3 years ago
12

On a timer The graph below shows a scatter plot and the line of best fit relating the ages of children and the total number of t

imes they have visited the doctor.
Use the line of best fit to estimate the age of a child who has visited the doctor 40 times.

A.
12 years old
B.
11 years old
C.
14 years old
D.
13 years old

Mathematics
1 answer:
xeze [42]3 years ago
6 0

Answer:

I THINK it's B, could be wrong.

Step-by-step explanation:


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Simplify.<br> (WILL GIVE BRAINLIEST)
Novosadov [1.4K]

Answer:

\frac{\sqrt{x} }{2x}

Step-by-step explanation:

Rationalize the denominator first (keep in mind we are NOT solving this because there is no equals sign here.  We are merely simplifying.)

\frac{\sqrt{5x} }{x\sqrt{20} } *\frac{\sqrt{20} }{\sqrt{20} } =\frac{\sqrt{100x} }{20x}

Now simplify by taking the square root of 100 to get:

\frac{10\sqrt{x} }{20x}

Divide numerator and denomiator by 10 to get:

\frac{\sqrt{x} }{2x}

4 0
3 years ago
2. A company's manager estimated that the cost C, in dollars, of producing n items is = 7n + 350. The company
Vanyuwa [196]

Answer:

d

Step-by-step explanation:

the answer is d because you have to multiply the 7 x 12 than do n>84 which is your answer because you cant do anything with it.

4 0
3 years ago
Calculate the distance between the two given point T(6,-2),U(-2,-12)
slava [35]
Use the distance formula: \sqrt{(x2 - x1)^2 + (y2 - y1)^2}

(6, -2), (-2, -12)
\sqrt{(-2 - 6)^2 + (-12 - -2)^2} ⇒ \sqrt{(-8)^2 + (-10)^2}
\sqrt{64 + 100} ⇒ \sqrt{164}
\sqrt{164} = 12.8

The distance between points T and U is 12.8 units.
3 0
3 years ago
What is the common ratio between successive terms in the sequence? 27,9,3,1, 1/3, ,1/9, 1/27
tigry1 [53]

Answer:

1/3

Step-by-step explanation:

Take the second term and divide by the first

9/27 = 1/3

Take the third term and divide by the second

3/9 = 1/3

Check each subsequent ratio, we can see the common ratio is 1/3

4 0
3 years ago
3 less than m is greater than 9
Artist 52 [7]

Answer:

m-9 = 3 is the required expression

5 0
3 years ago
Read 2 more answers
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