3 years ago

How is estimation helpful in finding a product mentally? Explain.

1 answer:

5 0

When you estimate you either round up or down to get an even number. It's easier to mentally multiply numbers ending in 0.

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What number should be added by both sides of the equation to complete the the square?<br> x^2-10x=7

NemiM [27]

You add 25 to both sides.
You take half the x term, which is 10/2=5, and square it, so 25.

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3 years ago

Can someone teach me how to do this?

Tanya [424]

Step-by-step explanation:

$pythagorean \: theorem \\ {hypothenes}^{2} = { {x}^{2} + {y}^{2} } \\ {17}^{2} = {x}^{2} + {15}^{2} \\ 289 = {x}^{2} + 225 \\ {x}^{2} = 64 \\ x = 8cm$

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4 years ago

Organize the following expressions from greatest to least by number of terms 1. X + 2xyz 2. 9x2yz 3. 18x2 + 5ab - 6y 4. 4x3 + 3x

malfutka [58]

Terms from greatest to least:

1. 4x3 + 3x2 - x - 4 has four terms

2. 18x2 + 5ab - 6y has three terms

3. X + 2xyz has two terms

4. 9x2yz has one term

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3 years ago

Read 2 more answers

What is 8.33,8.421,8.92,8.019,8.17 in greatest to least

Len [333]

Answer:

8.421,8.019,8.92,8.33.8.17 i hope it was helpful

Step-by-step explanation:

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4 years ago

Help me please!!!!!!

madam [21]

Answer:

Step-by-step explanation:

the answer is 2

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3 years ago