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gulaghasi [49]
3 years ago
12

To simplify the expression 3+5×3-8÷4​

Mathematics
1 answer:
oee [108]3 years ago
5 0

Answer:

5x3

Step-by-step explanation:

this is the first step

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Geralds baby brother spends 7/8 ofhis day sleeping. How many hours does his baby brother sleep
Effectus [21]
His baby brother sleeps 21 hours.
There's a total of 24 hours in a day so you can divide by 8. That means 1/8 of the day is equal to 3 hours, so 7 times 3 hours equals 21 hours
6 0
3 years ago
Find the altitude of a cylinder with with a radius of 9 and a surface area of approximately 791.68 units2.
Vika [28.1K]

In this question , it is given that we have a cylinder with with a radius of 9 and a surface area of approximately 791.68 units square.

The formula of surface area of cylinder is

A= 2 \pi r^2 + 2 \pi r h

Substituting the values of A and r, we will get

791.68 = 2* \pi * 9^2  + 2 * \pi * 9*h
\\
791.68 = 162 \pi + 18 \pi h
\\
791.68 -162 \pi = 18 \pi h
\\
h = \frac{791.68 -162 \pi}{18 \pi}
\\
h =5 units

So the height of the cylinder is 5 units .


4 0
3 years ago
I’m not sure what SOH-CAH-TOA to use
Sladkaya [172]

Answer:

You would use tangent/toa

Step-by-step explanation:

Because at each point you have to find, you have the info for the opposite and the adjacent

4 0
3 years ago
Read 2 more answers
Pleaseeeee help :'))))
jeka57 [31]

Answer:

The answer is

x= -35

Step-by-step explanation:

x/5= -7

x= -35. :-)

7 0
3 years ago
Read 2 more answers
Math help pls thank u c:
Verdich [7]

Answer: First one is B second one just make it

Step-by-step explanation:

4 0
3 years ago
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