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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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9) f(x) = x2 - X + 2<br> x = -8
timofeeve [1]
I think the answer will be 7.25.
5 0
4 years ago
On a coordinate map, Sherry’s house at at point (10, -2) and the mall is at point (-4,-2). If each unit on the map represents on
kvv77 [185]

Answer:

14 blocks

Step-by-step explanation:

(<em>10</em>,-2)

(<em>-4,</em>-2)

<em>x value-      10-(-4)=14</em>

y value- Since both y values are the same, you don't do anything.


Hope it helps!

7 0
4 years ago
Read 2 more answers
Plzz help me i really need help guys
OverLord2011 [107]

Answer:

Figure 1: 226 ft^{2}

Figure 2: 111 mm^{2}

Step-by-step explanation:

For the first figure, you will split it into two rectangles. You would do 28 x 7 for the first rectangle and get 196. Then, you would do 6 x 5 for the second rectangle and get 30. You would then add these two numbers and get the area of 226 ft^{2}}.

For the second figure, you split it into one triangle and two rectangles. For the triangle, you would do 3 x 6 and then divide that by 1/2, since it is a triangle, and you get 9. For the first rectangle, you would do 10 x 7 and you would get 70. For the final rectangle, you would do 8 x 4 and get 32. You would then add all these numbers up and get the area of 111 mm^{2}.

4 0
3 years ago
Odette solved this problem:
Tju [1.3M]

<em>Answer:</em>

In Odette's solution, <u>7 is the number of </u>

<u>nickels</u> and 8 is the number of dimes

3 0
3 years ago
What is j(3) equal to?<br> j:t = 4t^2<br> I(3)=?
VARVARA [1.3K]
4*3^2 = 36. Is that what you meant?
3 0
3 years ago
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