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dem82 [27]
3 years ago
6

Proportions 18/4=x/10

Mathematics
1 answer:
cluponka [151]3 years ago
7 0

Answer:

x=45

Step-by-step explanation:

18/4 = x/10

\frac{18}{4} = \frac{x}{10}

use cross-multiplication

10*18=180

180/4=45

x=45

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50 points please help please see image below
Mazyrski [523]

Answer:

<h2>395.841</h2><h2></h2>

Step-by-step explanation:

surface area = 2πrh + 2πr²

where r = 7 m radius

           h = 2 m

<u>plugin values into the formula</u>

surface area = 2πrh + 2πr²

                     = 2π (7) 2  +  2π (7)²

                     = 87.965  +  307.867

                     = 395.841 m²

4 0
3 years ago
Read 2 more answers
Is .04 repeating a irrational number?
ruslelena [56]
.04 repeating is a rational number.

A irrational number has a non-terminating (no end) and non-repeating decimals, meaning numbers after the decimals do not end and do not repeat.
4 0
4 years ago
The binomial (2x3 + 3y2)7 is shown in expanded form, but elements of several terms are missing. To complete the expansion, drag
svlad2 [7]

{(2x^{3}  + 3x^{2} )}^{7}
EXPANDED: VERY LONG

128x^{21} +1344x^{18} y^{2} +6048x^{15} y^{4} +15120x^{12} y^{6} +22680x^{9} y^{8} +20412x^{6} y^{10} +10206x^{3} y^{12} +2187y^{14}

I used the Binomial Theorem, Which States
(a + b)(a + b)= {a}^{2} + 2ab  + {b}^{2}   \\
({a}^{2} + 2ab  + {b}^{2} )(a + b)={a}^{3} + 3 {a}^{2} b   + 3a {b}^{2} + {b}^{3}
({a}^{3} + 3 {a}^{2} b   + 3a {b}^{2} + {b}^{3}) \times (a + b) = i \: believe \: you \: get \: the \: pattern \: now
8 0
3 years ago
What makes a pattern a multiplication pattern?
Alecsey [184]

Answer:

A multiplication pattern is created when you are multiplying the same number by the same number and go adding up!!!XD


Hope this helped!!!XD


Also can I get brainliest please?


3 0
3 years ago
Read 2 more answers
WILL GIVE BRAINLIEST<br><br> how to to convert numbers from stranded form to scientific notation
kaheart [24]

Hello there!

Soo..to convert a number from standard notation to scientific notation you first have to write a decimal point in the number so that there is only one digit to the left of the decimal point. Sooo for example if u had 240,000 you would put the decimal after the 2 (2.40000)

Hope this helped and have a great day!!


Goodluck (:


7 0
3 years ago
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