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Lostsunrise [7]

2 years ago

10

Marry me if you can answer this-

1 answer:

horsena [70]2 years ago

5 0

7 I think, I’m sorry if I’m wrong

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The volume for the above figure is?

lara [203]

The area of the circle is πr², ie. 144π.
The volume of the cilinder is 12×144π = 1728π cm³.

I vote for answer A.

7 0

2 years ago

A grandfather is six times as old as his grandson. If the grandfather was 45 when his grandson was born, how old is the grandson

Semenov [28]

The grandson is 9 years old.

This would mean that the grandpa is 54.

9x6=54
54/6=9

5 0

2 years ago

What is the radius of 28??

olganol [36]

The radius is 14, if the diameter is 28. The radius is half of the diameter

7 0

3 years ago

Use the following image to assist in your answer.<br> a =<br> - 6<br> - 9<br> - 4

vfiekz [6]

Step-by-step explanation:

Pythagoras' theorem for the smallest one :

$c^2 = 4^2 + 6^2$

$c^2 = 16 + 36$

$c^{2}$ = 52

Pythagoras' theorem for the middle one :

$b^{2}$ = $6^{2}$ + $a^{2}$

Pythagoras' theorem for the biggest one :

$(4+a)^2 = c^2 + b^2$

$16 + 8a + a^2 = 52 + b^2$

Using the formula before (for $b^2$ ) it becomes :

$16 + 8a + a^2 = 52 + (6^2 + a^2)$

$16 + 8a + a^2 = 52 + 6^2 + a^2$

$16 + 8a = 52 + 6^2$

16 + 8a = 52 + 36

16+8a = 88

8a = 88-16

8a = 72

$a = \frac{72}{8}$

a = 9

Verifying :

$b^2 = 6^2 + a^2$

$b^2 = 36 + 81$

$b^2 = 117$

$b^{2}$ = 117

The biggest one :

$(4+a)^2 = c^2 + b^2$

$(4+9)^2 = 52 + 117$

$13^2 = 169$

True

8 0

2 years ago

choose all properties that were used to simplify the following problem: step 1 2/7 • 53 • 7/2 step 2 53 • 2/7 • 7/2step 3 53 • 1

den301095 [7]

Step 2: commutative property of multiplication
Step 3: multiplicative inverse
Step 4: multiplicative identity

5 0

3 years ago

Read 2 more answers