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Butoxors [25]
4 years ago
8

There are 10 pencils in a desk. Ninety percent of the pencils are sharpened. Which equation can be used to find the number of sh

arpened pencils?
mc012-1.jpg
mc012-2.jpg
mc012-3.jpg
mc012-4.jpg
Mathematics
1 answer:
dezoksy [38]4 years ago
5 0
Mc012-2.jpg ........................ 10/90%= 11.1111111111111 
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Which of the following is an example of a quantitative variable?
egoroff_w [7]

Answer:

C) A person's height, recorded in inches

Step-by-step explanation:

Quantitative Variable:

  • A quantitative variable is a variable which can be measured and have a numeric outcome.
  • That is the value of variable can be expressed with numbers.
  • Foe example: age, length are examples of quantitative variables.

A) The color of an automobile

The color of car is not a quantitative variable as its outcome cannot be measured and expressed in value. It is a categorical variable.

B) A person's zip code

Some variables like zip codes take numerical values. But they are not considered quantitative. They are considered as a categorical variable because average of zip codes have no significance.

C) A person's height, recorded in inches

Height is a qualitative variable because it can be measured and its value is expressed in numbers.

5 0
4 years ago
Write a polynomial of degree 3 that satisfies each of the given conditions.
shutvik [7]

Answer:

https://www.jacksonsd.org/cms/lib/NJ01912744/Centricity/Domain/504/BI%207-8.pdf

Step-by-step explanation:

the link to help you with the answers

5 0
3 years ago
Use the quadratic formula to solve the equation x2+7x​
monitta

The solution of the equation x2+7x​ is 0, -7 using the quadratic formula.

Step-by-step explanation:

x2 + 7x = 0

-b  ± √ b2 - 4(ac)/ 2a

substitution,

a = 1, b = 7, c = 0

= -7  ± √(7)2 - 4(1 x 0) / 2 x 1

= - 7   ± 7 / 2

x = 0 , -7

4 0
4 years ago
What is the area of rectangle PQRS with vertices at P(0,2), Q(0,10), R(4,10), and S(4,2)?​
nadezda [96]
It’s 4,2 the and the other on PQRS
6 0
3 years ago
6b-9=-87 what is the answer
maw [93]

Answer:

Answer is below

Step-by-step explanation:

Add 9 to both sides.

6b-9+9=-87+9\\6b=-78

Divide both sides by 6

\frac{6b}{6} =\frac{-78}{6} \\b=-13

3 0
3 years ago
Read 2 more answers
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