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docker41 [41]
3 years ago
11

I can’t figure out the surface area. Someone please help !! :)

Mathematics
1 answer:
Ilia_Sergeevich [38]3 years ago
5 0
<h3> Answer:</h3><h2>surface area is 227•1</h2><h2>volume is 321•7</h2>

Step-by-step explanation:

diameter is 8•5

radius is d/2

8•5/2

=4•25

surface area = 4πr^2

4×22/7×4•25×4•25

=1589•5/7

=227•1

Volume= 4/3πr^3

4/3×22/7×4•25×4•25×4•25

4/3×22/7×76•76

=321•7

Hope it helps

plz mark as brainliest

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Which of the below statements is correct and then explain your answer
VMariaS [17]

Answer:

Greater than 3

Step-by-step explanation:

Logarithms explain the relationship between exponents.

Think of them as such, except they got their bases and exponents switched.

In this logarithm:

log2(10)

basically says 2 to the power of <em>what</em> gets you to 10.

Now let's experiment: 2^2=4, 2^3=8. 2^4=16.

Wait, we already crossed 10. Now we know that log2(10) must be in between 3 and 4. We don't need to find the exact value, because thats not what the question asked.

It's between 3 and 4, so it has to be greater than 3 but less than 4. Thee is your answer!

Have a nice day! :)

8 0
2 years ago
A number cube is rolled many times with the results shown in the table below. What is the experimental probability of rolling an
irga5000 [103]
To find the experimental probability, you will add the outcomes that resulted in even number and make that a ratio to the total number of outcomes.

<u>(12 + 14 + 18)</u>
(13 + 12 + 12 +14 + 11 + 18)

44/80 = 0.55
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The answer is choice D.
5 0
4 years ago
Donna has a checking account that charges $0.15 for each check written and
Mama L [17]

The formular which can be used to obtain the monthly charges as a function of the number of cheques written is 9.75 + 0.15x

Charges on account :

  • Charge per check written = $0.15
  • Monthly services charge = $9.75

The total amount charged monthly, F as a function of the number of cheques written, x can be expressed thus :

Monthly service charge + (charge per check × number of cheques written)

F(x) = 9.75 + 0.15x

Therefore, the charge function which can be used to calculate the total monthly charge on his account ls F(x) = 9.75 + 0.15x

Learn more : brainly.com/question/18405415

3 0
2 years ago
PLEASE HELP SUPER IMPORTANT
uranmaximum [27]

Answer:

you can do the first one but the reflection one i would have to work it out more

Step-by-step explanation:

3 0
3 years ago
Valuate the xpression 4(10-4) power of 2 devided by 4
liq [111]

Hence, the value of the expression is 36.

Solution:

Step 1: Given expression is 4(10-4)^{2} \div 4.

BODMAS means do Bracket, Of, Division, Multiplication, Addition, Subtraction

Step 2: Using BODMAS rule first simplify the expression which is in bracket.

⇒ 4(10-4)^{2} \div 4=4(6)^2\div4

Step 3: Squaring of the number 6.

⇒ 4(6)^2\div4=4\times36\div4

Step 4: Using BODMAS rule, divide 36 by 4.

⇒ 4\times36\div4=4\times9

Step 5: Using BODMAS rule, multiply 4 with 9.

⇒ 4\times9=36

Hence, the value of the expression is 36.

8 0
3 years ago
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