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jeyben [28]
3 years ago
10

An aptitude test known as the Gesell adaptive score test is given to children to measure their level of cognitive development. I

t is of interest to know whether or not a relationship exists between this test score and the age (in months) at which a child speaks his/her first word. To examine this, the following data were collected for 21 children: (a) Treating the Gesell score as the response variable (y) and the age at first word as the explanatory variable (x), make a scatterplot of these data.
Does there appear to be a linear relationship among these variables?
Mathematics
1 answer:
Arte-miy333 [17]3 years ago
6 0
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<img src="https://tex.z-dn.net/?f=%5Cfrac%7B4%5Csqrt%7B5%7D%7D%7B3%5Csqrt%7B2%7D%20%7D" id="TexFormula1" title="\frac{4\sqrt{5}}
kykrilka [37]

Step-by-step explanation:

= \frac{4 \sqrt{5} }{3 \sqrt{2} }

Calculate the expression...

= \frac{4\sqrt{10} }{6}

Reduce the fraction..

= \frac{2 \sqrt{10} }{3}

7 0
3 years ago
Read 2 more answers
What is 10.235 to the nearest 10th
ELEN [110]
What is 10.235 to the nearest 10th


10.2
8 0
3 years ago
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Theres another answer choice thats four but it got cut out please help pretty easy question
8090 [49]

Answer:

We conclude that:

f(g(3)) = 2

Hence, option B is correct.

Step-by-step explanation:

Given the f(x) table

x         2          3            4          5

f(x)      0           1             2         3

Given the g(x) table

x         1           2           3            4

g(x)      1           2            4           8

We need to determine f(g(3)).

In order to determine f(g(3)), first, we need to determine g(3)

It is clear from the table of g(x),

at x = 3, g(3) = 4

so

f(g(3)) = f(4)

Now, we need to check the value of f(4) at x = 4 using the table f(x)

It is clear from the table of f(x),

at x = 4, f(4) = 2

Thus,

f(g(3)) = f(4) = 2

Therefore, we conclude that:

f(g(3)) = 2

Hence, option B is correct.

3 0
3 years ago
Determine is its a triangle
d1i1m1o1n [39]

Answer:

10,24,26 right triangle

9,16,21 no

hope this helps you out

3 0
3 years ago
A dog weighs 20% more than it did three months ago. It weighs 36 pounds now. How much did the dog weigh three months ago?
Arada [10]
Answer: 30 pounds
Step-by-step explanation:
Let the weight 3 month ago be X.
20% more than x is:
1.2x

We now have the following equation:
1.2x = 36
x = 36/1.2
x = 30 pounds

Hope that helps! Have a good day :)
6 0
3 years ago
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