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MA_775_DIABLO [31]
3 years ago
5

Use the data consisting of IQ score and brain volume

Mathematics
1 answer:
ArbitrLikvidat [17]3 years ago
8 0

Answer:

The best predicted IQ score is 103.

Step-by-step explanation:

We are given the following regression equation:

y=100.2+0.00297x

where y is the predicted IQ score and x is the brain volume.

y is the dependent variable and x is the independent variable.

Significance level = 0.05

We have to find the best predicted IQ score with a brain volume of 998 cubic cm.

We put x = 998 in the equation.

y=100.2+0.00297(998)\\y=103.16406\\y\approx 103

Thus, the best predicted IQ score is 103.

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Answer:

4/9

Step-by-step explanation:

8*1/9*2 = 8/18=4/9

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A savings account earns 8% interest each year, compounded annually. If a person invests
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100(1+8/100)5=146,93

Step-by-step explanation:

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The volume of a pyramid that fits exactly inside a cube is 18 cubic feet. what is the volume of the cube? 6 cubic feet 18 cubic
fomenos

The volume of the cube that perfectly fits an 18 ft³ pyramid is calculated as (C) 54 ft³.

<h3>What is a cube?</h3>
  • A cube is a three-dimensional solid object with six square faces, facets, or sides, three of which meet at each vertex.
  • The cube is one of the five Platonic solids and the only regular hexahedron.
  • It has six faces, twelve edges, and eight vertices.

To find the volume of the cube that perfectly fits an 18 ft³ pyramid:

We have been provided that:

  • 18 cubic feet is the volume of the pyramid.
  • Now, in order for this pyramid to fit exactly into a cube, the base of the pyramid must be square, and the height of the pyramid must be equal to the height of the cube.
  • We can conclude from this that the volume of a cube equals three times the volume of a pyramid.
  • So, the volume of the cube = 3 × 18
  • The volume of Cube = 54 ft³

Therefore, the volume of the cube that perfectly fits an 18 ft³ pyramid is calculated as (C) 54 ft³.

Know more about a cube here:

brainly.com/question/1972490

#SPJ4

The correct question is given below:

The volume of a pyramid that fits exactly inside a cube is 18 cubic feet. what is the volume of the cube?

(A) 6 cubic feet

(B) 18 cubic feet

(C) 54 cubic feet

(D) 72 cubic feet

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1 year ago
Another question this math is not my favorite ? Struggling but son what understanding it . Help please
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12/3= 4 <-- This equation shows that one box will benefit 4 children.
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How tall is the flagpole?<br> X<br> 6 ft<br> 15 ft<br> 4.5 ft
sweet-ann [11.9K]

Answer:

x = 20 ft

Step-by-step explanation:

We can use similar triangles and ratios to solve

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--------- = ---------------

15 ft             x ft

Using cross products

4.5x = 15*6

4.5x =90

Divide each side by 4.5

4.5x/4.5 = 90/4.5

x =20

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4 years ago
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