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3 years ago

10. Explain why log328 is between 3 and 4.

Mathematics

1 answer:

maw [93]3 years ago

8 0

Answer:

See explanation.

(Before continuing reading, I took the base to be 3. Please tell me if you didn't want the base to be 3.)

Step-by-step explanation:

I assume 3 is suppose to be the base. Let's list some values that can be written as 3 to some integer.

3^0=1

3^1=3

3^2=9

3^3=27

3^4=81

3^5=243

......

I could have also did negative integer powers, but this is all I really need to convince you that log_3(28) is between 3 and 4.

log_3(28) means the value x such that 3^x=28.

Since 28 is between 27 and 81 in my list above, that means 3^x is between 3^3 and 3^4. This means that x is a value between 3 and 4.

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Between which two numbers does the root square 5 lie

docker41 [41]

Answer:

Between 2 and 3

Step-by-step explanation:

The square root of 5 equals roughly 2.3, so it belongs between 2 and 3 on a number line.

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3 years ago

16 divided[(13+7)subtract(12+ 4)]

Marta_Voda [28]

Answer:

Look below

Step-by-step explanation:

First, you solve inside the parenthesis. 13 + 7 = 20 and 12 + 4 = 16. then you do inside these []. 20 - 16 = 4. 16 divided by 4 = 4

Hope this helped.

(P.S.: if this is an essay DO NOT copy this word to word. Your teacher sees EVERYTHING (to me its creepy >.<) )

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3 years ago

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4 years ago

Help with this question please!

vova2212 [387]

V = 120 in^3

Here is why:

The volume formula for a pyramid is:

$V=\frac{1}{3}Bh$

The B stands for the area of the base, which in this case is a right triangle. We will find the area of the right triangle first, then plug it into the equation.

The area formula for a triangle is:

$A=\frac{1}{2}bh$

Plug in the numbers.

$A=\frac{1}{2}*9*10$

A = 45

Now we have found the area of B, we can plug it into the volume formula for the pyramid.

$V=\frac{1}{3}*45*8$

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3 years ago

PLEASE HELP!!!!

netineya [11]

1 quarter= .25
200 × .25= 50

1 dime= .10
.10×15= 15

1 penny= .01
.01× 300= 3

Answer: 50+15+3= $68

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3 years ago

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