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3 years ago

Find the surface area please help

Mathematics

2 answers:

KatRina [158]3 years ago

6 0

Answer:

the answer is 30

Step-by-step explanation:

hight x base²

inna [77]3 years ago

3 0

Answer:

AS =282.7cm²

Step-by-step explanation:

SA = 3.14×r×L +3.14×r²

L²=5²+12²

L=13)

= 3.14×5×13 + 13.4x5²

AS=282.7cm²

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3771,
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3 years ago

6/7x - 2/5y + 5/7(y+x)

makvit [3.9K]

Answer:

$\frac{6}{7} x - \frac{2}{5} y + \frac{5}{7} (y + x) \\ = ( \frac{6}{7} + \frac{5}{7} )x + ( \frac{5}{7} - \frac{2}{5} )y \\ = \frac{11}{7} x + \frac{15}{35} y \\ = \frac{11}{7} x + \frac{3}{7} y \\ = \frac{1}{7} (11x + 3y)$

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3 years ago

Read 2 more answers

Erica had both chocolate cake and coconut cake at her birthday party. There were 15 people at the party, and 60 of them picked c

Ahat [919]

If you just divide 60 and 15 you will get 4. So 4 is you answer

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3 years ago

Plz help! ASAP! What is the expression shown below

astra-53 [7]

we are given

$\frac{1}{2} (\frac{3}{2} x+6x+1)-3x$

step-1: Simplify expression inside parenthesis

we will combine like terms

so, firstly we will take common denominator

$\frac{1}{2} (\frac{3}{2} x+\frac{2*6}{1*2}x+1)-3x$

$\frac{1}{2} (\frac{3x+12x}{2} +1)-3x$

$\frac{1}{2} (\frac{15x}{2} +1)-3x$

step-2: Distribute 1/2 inside

$=\frac{1}{2} *\frac{15x}{2} +1*\frac{1}{2}-3x$

$=\frac{15x}{4} +\frac{1}{2} -3x$

step-3: Combine like terms

$=\frac{15x}{4}+3x +\frac{1}{2}$

We can find common denominator

$=\frac{15x}{4}-\frac{4*3x}{4*1} +\frac{1}{2}$

$=\frac{15x}{4}-\frac{12x}{4} +\frac{1}{2}$

$=\frac{15x-12x}{4} +\frac{1}{2}$

$=\frac{3x}{4} +\frac{1}{2}$

we can also write it as in mixed form

$=\frac{3}{4}x +\frac{1}{2}$

so, we will get

$\frac{1}{2} (\frac{3}{2} x+6x+1)-3x=\frac{3}{4}x +\frac{1}{2}$

option-C.............Answer

5 0

4 years ago

If the number n satisfies the relationship n>0 what are inequalities that represent this 1/n

castortr0y [4]

Ok let's understand the question.
We want to know what values we get when n is positive in 1/n.
We get the values
0<1/n≤1
If we plug in 1: 1/1 = 1
2: 1/2 = .5
100: 1/100 = .01
10000000 = 1/10000000 = Small number close to 0.
n will always be more than 1 by the given (n>0).

6 0

3 years ago