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3 years ago

Surface Area of a Cylinder=2πr2+2πrh.

2 answers:

4 0

The answer is 256pi if you have a calculator, and it says to put it in 3.14 for pi, do the same steps I show here, but instead of pi, you would put 3.14. But I hope this helps you

Elodia [21]3 years ago

3 0

2pi(4)^2= 100.5
2pi(4)(28)= 703.7
703.7+100.5= 804.2
The answer is 804.2cm^2

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Determine the sum of the first seven terms 256+128+64+32+...

vova2212 [387]

Answer:

I cannot see the rest of the terms. I only see 4.

Step-by-step explanation:

3 0

2 years ago

Explain how to write 3x3/8 as a product of a whole number and a unit fraction

Sonja [21]

Hi there!

To write 3 x 3/8 as a unit fraction it is 9/8.

To write 3 x 3/8 as a whole number it is 1 1/8.

Explanation:

When you multiply 3 x 3/8 you get 9/8.

But when you make it to a proper fraction you get 1 1/8.

Hope this helps ;)

3 0

3 years ago

Which sequence represents an arithmetic sequence?

Sergio039 [100]

we know that

arithematic sequence will always have common difference

(a)

−5, −7, −10, −14, −19, …

we can see that

$d_1=-7+5=-2$

$d_2=-10+7=-3$

they are not equal

so, this is not arithematic sequence

(2)

1.5, −1.5, 1.5, −1.5, …

we can see that

$d_1=-1.5-1.5=-3$

$d_2=1.5+1.5=3$

they are not equal

so, this is not arithematic sequence

(3)

4.1, 5.1, 6.2, 7.2, …

we can see that

$d_1=5.1-4.1=1$

$d_2=6.2+5.1=1.1$

they are not equal

so, this is not arithematic sequence

(4)

−1.5, −1, −0.5, 0, …

we can see that

$d_1=-1+1.5=0.5$

$d_2=-0.5+1=0.5$

they are equal

so, this is arithematic sequence

8 0

3 years ago

WILL GIVE BRAINLIEST!! FINALS!

GenaCL600 [577]

Factor completely x³ + 6x² - 3x – 18
$- 6 + 6( - 6)^{2} - 3( - 6) - 18 \\ - 6 +6 \times 6 ^{2} + 18 - 18 \\ - 6 + 6 ^{3} + 18 - 18 \\ - 6 + 216 \\ 210$
with a root of x = -6

the answer is 210

3 0

3 years ago

The sum of the two decimals is 1 the product of these decimals is 0.25 the quotient of these two decimals is 1 what are the two

ExtremeBDS [4]

Since the quotient of the two decimal numbers is 1, that tells use that they are the same number.
Since the sum of the two numbers equals 1 and both numbers are the same, then the answer must be 1 divided by 2. or .5
the fractions would be 1/2 and 1/2

5 0

3 years ago