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ikadub [295]
3 years ago
13

What is equivalent to the following expression 2x + 3x + 4 (x-2)

Mathematics
2 answers:
ryzh [129]3 years ago
6 0

Answer:

9x-8

Step-by-step explanation:

2x + 3x + 4 (x-2)

Solve the bracket first

2x + 3x + 4x-8

9x-8

lions [1.4K]3 years ago
3 0

Answer: 9x - 8

Step-by-step explanation:

Look at the attachment

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The State Education Department requires local school districts to keep these records on all students: age, race or ethnicity, da
IgorC [24]

Answer:

2.Race or Ethnicity

3.Disabilities or Special Needs

7.Current Grade Level

Step-by-step explanation:

A Categorical variable is a non numerical variable, and usually is defined as "a variable that allows to assign categories but we cannot clearly order the variables".

If a variable is not Categorical can be ordinal or or numerical.

Ordinal when we can create a order from the data. And numerical when is not categorical or ordinal.

1.Reading Test Score

False, usually the scores are quantitative or numerical variable since are measured on units..

2.Race or Ethnicity

True, is categorical variable since we don't have an order for this.

3.Disabilities or Special Needs

True, we can consider this variable as categorical since we don't have an order and can't be expressed in numerical terms.

4.Age

False, is a quantitative variable or numerical

5.Mathematics Test Score

False the scores represnt a numerical variable.

6. Days Absent

False, that can be considered as quantitative if we count the days absent

7.Current Grade Level

True. That can be considered a categorical variable since we can't express this variable with numbers.

So then the correct choices are:

2.Race or Ethnicity

3.Disabilities or Special Needs

7.Current Grade Level

8 0
3 years ago
You want to find the area of the front of a house, whose shape is a triangle on top of a rectangle with a width of 12. The trian
AlladinOne [14]

There are two shapes

rectangle and triangle

Rectangle area = Length × breadth

Triangle area = ( 1 / 2 ) × height × base

L = 12

W = 5

Area = 60

Height = 14

base = width of rectangle

base = 12

( 1 / 2 ) ( 12 ) ( 14 )

( 14 ) ( 6 )

84

Total area = 60 + 84

= 144

Hope helps!

5 0
4 years ago
A part time job $237.50 for 25 hours of work how much money does the job pay per hour
IRINA_888 [86]
$9.5 per hour for that job
4 0
3 years ago
Read 2 more answers
A retangular athletic field is twice as long as it is wide. If the perimeter of the athletic field is 180 yards, what are its di
pishuonlain [190]
W= width
l= 2w= length

Perimeter of a Rectangle Formula
P= 2(l + w)
substitute 2w for l in equation

180= 2(2w + w)
multiply 2 by parentheses

180= 4w + 2w
combine like terms

180= 6w
divide both sides by 6

30 yards= w


LENGTH
2w= 2(30)= 60 yards

CHECK:
180= 30 + 60 + 30 + 60
180= 90 + 90
180= 180


ANSWER: the width is 30 yards and the length is 60 yards

Hope this helps! :)
5 0
3 years ago
Write the numbers in<br> scientific notation.<br> A) 95,730,000<br> B) 4,200<br> C) 0.0000096
sergey [27]
A) 9.573 x 10^7
B) 4.2 x 10^3
C) 9.6 x 10^-6
Brainliest?
4 0
3 years ago
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