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3 years ago

Can you explain why estimation can sometimes be helpful when multiplying decimals?

1 answer:

8 0

Estimation is a quick way to get an approximate result. If all you need is an idea of what the product is, then estimation may be helpful.

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(There's three parts of this)

krok68 [10]

Answer:

1. pie chart

2. bar graph

3. they both show the amount of kids with the same letters compared to the others.

if you still don't understand something please ask. always happy to help :)

Step-by-step explanation:

6 0

3 years ago

PC-CSIL

pav-90 [236]

The equality used is Subtraction property of equality

Option A is correct

Step-by-step explanation:

We need to identify which option best explains or justifies Step 1.

Step 1 is: $-c = ax^2 + bx$

The given equation is: $0 = ax^2 + bx + c$

To get the equation for step 1 we need to subtract c on both sides of equation i.e using subtraction property of equality

$0-c = ax^2 + bx + c-c$

$-c = ax^2 + bx$

So, The equality used is Subtraction property of equality

Option A is correct.

Keywords: Solving Quadratic Equations

Learn more about Solving Quadratic Equations at:

#learnwithBrainly

5 0

3 years ago

What's Is the scientific notation of .2

serg [7]

The scientific notation of .2 is
2 × 10^<span>-1</span>

3 0

3 years ago

Evaluate 3x (2+6) divide 4 -2

kondaur [170]

Answer:

Step-by-step explanation:

Brackets always mean "DO THIS FIRST!!!"

2+6 = 8

Then, do 3 x 8. That is 24.

24 divided by 4 is 6.

6 - 2 is 4!

8 0

3 years ago

What is the decimal value of 3 quarters and 2 dimes?

Radda [10]

Answer:

0.95

Step-by-step explanation:

Quarter = 0.25

Dime = 0.10

0.25+0.25+0.25= 0.75

0.10+0.10= 0.10

0.10+0.75 = 0.95

6 0

3 years ago