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Anettt [7]
3 years ago
12

What is 21 as a decimal and prevent

Mathematics
2 answers:
qwelly [4]3 years ago
5 0
That would be 2.1 because if it's in decimal it's 2.1
mafiozo [28]3 years ago
3 0
21.0 and 2100% idk if that’s ur question tho
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Given that a:b:c= 20 : 35 : 15, a) simplify a : b:c, b) find a:b,
Furkat [3]

Answer:

a) 4:7:3

b) 4:7 / 20:35

c) 3:7 / 15:35

4 0
2 years ago
Scientists use supporting evidence to create an explanation. Explain why using evidence to support your explanations is a good p
lesya [120]

Answer: Scientific inquiry refers to the diverse ways in which scientists study the natural world and propose explanations based on the evidence derived from their work. Inquiry also refers to the activities of students in which they develop knowledge and understanding of scientific ideas, as well as an understanding of how scientists study the natural world. National Science Education Standards, p. 23.

As pointed out in the National Science Education Standards (National Research Council, 1996), students who use inquiry to learn science engage in many of the same activities and thinking processes as scientists who are seeking to expand human knowledge of the natural world. Yet the activities and thinking processes used by scientists are not always familiar to the educator seeking to introduce inquiry into the classroom. By describing inquiry in both science and in classrooms, this volume explores the many facets of inquiry in science education. Through examples and discussion, it shows how students and teachers can use inquiry to learn how to do science, learn about the nature of science, and learn science content.

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INQUIRY IN SCIENCE

A geologist who was mapping coastal deposits in the state of Washington was surprised to discover a forest of dead cedar trees near the shore. A significant portion were still standing, but they clearly had been dead for many years. He found similar

3 0
3 years ago
the length of a table is 6 feet. on a scale drawing, the length is 2 inches. write three possible scales for the drawing
butalik [34]
2 inches : 6 feet is the same as 1 inch : 3 feet
It could also be written:
1 inch : 36 inches
1 foot : 36 feet
8 0
3 years ago
Pls help I have three more questions after this that are impossible
Ymorist [56]
The basic formula for volume is length times width times height. you can use this to answer question C.
i do not know the length width or height in your problem.
3 0
2 years ago
Can someone solve this problem for me? Show me your steps to solve this problem as well.
AveGali [126]
\bf 3^x=81\qquad 
\begin{cases}
81=3\cdot 3\cdot 3\cdot 3\\
\qquad 3^4
\end{cases}\implies 3^x=3^4\implies x=4

if their base is the same, the exponents must also be the same for the equation to be true.
5 0
4 years ago
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