3 years ago

Find the surface area of each solid Please help it’s for my sister

Mathematics

1 answer:

Luba_88 [7]3 years ago

3 0

Count each square at the bottom and the side side and multiply them so it would be 5x2 =10

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Please help me 10 points

Oksana_A [137]

$7\dfrac{2}{9}-3\dfrac{5}{6}=7\dfrac{2\cdot2}{9\cdot2}-3\dfrac{5\cdot3}{6\cdot3}=7\dfrac{4}{18}-3\dfrac{15}{18}\\\\=6\dfrac{22}{18}-3\dfrac{15}{18}=3\dfrac{7}{18}$

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3 years ago

The algebraic form of an arithmetic sequence is 5n-2<br>a) What is its common difference?

Alexxandr [17]

Answer:

Step-by-step explanation:

[math]

U_{n} = 5n - 2 \\

Common Difference = U_{n+1} - U_{n} \\

= [5(n + 1) - 2] - [5n - 2] = [5n + 5 - 2] - [5n - 2]\\

= 5n + 5 - 2 - 5n + 2\\

= 5

[/math]

5 0

3 years ago

What is the value of y in the equation 3(3y – 12) = 0? (5 points)

natta225 [31]

Set equal to 0

3=0, nope

3y-12=0
add 12
3y=12
divide 3
y=4

5p-4p-8=-2+3
p-8=1
p=9
1 solution

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3 years ago

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Does anybody know this answer?

creativ13 [48]

Answer:

circumference=2πr

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2 years ago

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If A=(9,18) and B=(1,12), what is the length of AB?

Fynjy0 [20]

Use the distance formula?

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3 years ago