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KATRIN_1 [288]
3 years ago
14

Why is earth known as diatomaceous Earth​???From biology

Mathematics
1 answer:
Svetllana [295]3 years ago
8 0

Answer:

Diatomaceous earth is made from the fossilized remains of tiny, aquatic organisms called diatoms. Their skeletons are made of a natural substance called silica. Over a long period of time, diatoms accumulated in the sediment of rivers, streams, lakes, and oceans. Today, silica deposits are mined from these areas.

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The table below gives the dimensions of a painting and a scale drawing of the painting.
sashaice [31]

Answer:

7:1 for length and 7:1 for width

Step-by-step explanation:

6 0
3 years ago
hellohello, this needs to be turned in tomorrow so if you could help, i would really appreciate it. :]
Veronika [31]
You would just solve 8x25. Hope this helps:)
7 0
3 years ago
Use the conditional statement to answer the question.
yarga [219]

the correct option is the first one:

"Yes, both the statement and the converse are true."

<h3>How to use the conditional statement?</h3>

Here we have the conditional statement:

"If a number is odd, then it is not divisible by 2"

Now we have the question:

"Can the statement be written as a biconditional and why?"

A biconditional statement is of the form:

"P if and only if Q"

And this means that if any of the two propositions is true, then the other is also true.

In this case:

P = a number is odd.

Q = it is not divisible by 2.

Now, by definition, even numbers are these that are divisible by 2 and odd are these that are not.

Then the statements:

"If a number is odd, then it is not divisible by 2"

"If a number is not divisible by 2, then it is odd"

are true.

So the conditional and the converse are true, this implies that the biconditional statement is also true.

Then the correct option is the first one:

"Yes, both the statement and the converse are true."

If you want to learn more about conditional statements:

brainly.com/question/11073037

#SPJ1

3 0
2 years ago
Help i,m suck and i cant find the answer
Anestetic [448]
The answer is 2x
3
+5x
2
−x−6
7 0
2 years ago
A^2-a+12=0 I need the roots
kumpel [21]

Answer:

a = 1/2 (1 ±sqrt(47))

Step-by-step explanation:

a^2-a+12=0

We will complete the square

Subtract 12 from each side

a^2-a+12-12=0-12

a^2-a=-12

The coefficient of a = -1

-Divide by 2 and then square it

(-1/2) ^2 = 1/4

Add it to each side

a^2 -a +1/4=-12 +1/4

(a-1/2)^2 = -11 3/4

(a-1/2)^2= -47/4

Take the square root of each side

sqrt((a-1/2)^2) =sqrt(-47/4)

a-1/2 = ±i sqrt(1/4) sqrt(47)

a-1/2= ±i/2 sqrt(47)

Add 1/2 to each side

a-1/2+1/2 = 1/2± i/2 sqrt(47)

a =  1/2± i/2 sqrt(47)

a = 1/2 (1 ±sqrt(47))

8 0
3 years ago
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