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Murljashka [212]
3 years ago
5

Easy way to do decimal multiplication.

Mathematics
1 answer:
In-s [12.5K]3 years ago
3 0

Answer:

first multiply as if there is no decimal. Next, count the number of digits after the decimal in each factor. Finally, put the same number of digits behind the decimal in the product.

Step-by-step explanation:

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Figure ABCD is a kite
Mars2501 [29]
The kite is symmetric about line segment BD.
Therefore
AB = BC
3x + 1 = 22
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x = 21/3 = 7

Similarly,
AD = CD by symmetry
Therefore
4x = CD
4*7 = CD
28 = CD, the required line segment

Answer: 28
4 0
3 years ago
Read 2 more answers
How do you put an equation in slope-intercept form into standard or point-slope form?
RSB [31]

Answer:

Write in slope-intercept form,  y = m x + b

y=mx+b.

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Step-by-step explanation:

8 0
3 years ago
The price of tiling a room varies directly as the size of the room. Sam is laying tile in his kitchen. If the tiling costs $4,22
stiv31 [10]

Answer:

<h3>The answer is option A</h3>

Step-by-step explanation:

Let the price of the room be p

Let the size of the room be s

To find the size of a kitchen that costs $3,824.00 we must first find the relationship between them

The statement

The price of tiling a room varies directly as the size of the room is written as

<h3>p = ks</h3>

where k is the constant of proportionality

when

p = $4,224.00

s = 264 square feet

Substitute the values into the expression to find k

That's

4224 = 264k

Divide both sides by 264

k = 16

So the formula for the variation is

<h3>p = 16s</h3>

when

p = 3824

s =  \frac{p}{16}

s =  \frac{3824}{16}

s = 239

The final answer is

239 square feet

Hope this helps you

6 0
3 years ago
Can anyone answer this
erik [133]

Answer:

Step-by-step explanation:

1. 10² + 7² = x²

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4. 5.3² + 12.8² = x²

 191.93 = x²

 x = √191.93

5. 9² + 20² = x²

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 x = √481

6. 31 = x + 2√(19²-17²) = x + 2·6√2 = x + 12√2

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5 0
3 years ago
SOME ONE HELP ME PLZ
Eva8 [605]

Answer:

Im bored wanna talk?

Step-by-step explanation:

5 0
3 years ago
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