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Ber [7]
3 years ago
15

Use 3 for pi. I will give brainliest to whoever answers correctly

Mathematics
1 answer:
OverLord2011 [107]3 years ago
6 0

Answer:

where is the 3

Step-by-step explanation:

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HELP. It’s LOG form. Since were out of school I forgot how I did this and it’s due so it would be a life saver.
____ [38]

Answer:

see below

Step-by-step explanation:

exponent to log: a^b = c ---> logₐc = b

ie. question 6

log ₁₀(3x+1) = 2 -----> 10^{2} = 3x+1

that will get you through questions 1 to 3, 5 to 6, and 8

in question 4, all you have to do is know that 2^2 = 4 and 2^3 = 8, by setting the bases equal, you can manipulate the exponents to get 2x+8 = 3x-3

for questions 7 and 9,

remember that:

logₐc + logₐd = logₐ(cd)

logₐc - logₐd = logₐ(\frac{c}{d})

remember change of base is log_{a} b = \frac{log_xb}{log_xa}, this will be useful if you need your calculator since calculators only have base 10 and maybe if your calculator is good enough natural base e

4 0
3 years ago
Please help<br><br>Point____is plotted at -4/5​
musickatia [10]

Answer:

C

Step-by-step explanation:

-4/5 is -0.8, which is at point C

plz brainliestt

8 0
2 years ago
Read 2 more answers
Which of the following is an equation of the circle with a center at (-1,4) and a radius of 2√5 units? plss pahelp naman
Ksivusya [100]

Answer:

Option A

Step-by-step explanation:

The standard form of an equation of a circle is represented by the formula (x-h)^2+(y-k)^2 = r^2. Remember that (h,k) is the center and r^2 is the radius squared.

So, the equation of the circle must be (x+1)^2 +(y-4)^2 = 20. Complete the square to change the form of the equations listed in the options and find the one that is equal.

Let's try this with option A. Move the constants to the right side, then use the completing the square method to place the equation in standard form:

x^2 + y^2 +2x -8y -3 = 0\\x^2 + y^2 +2x-8y = 3\\x^2 + 2x +y^2-8y = 3\\(x^2 +2x+1)+(y^2-8y +16)=3+1+16\\(x+1)^2 + (y-4)^2=20

The end result matches with the equation determined before, so option A is the answer.  

8 0
2 years ago
We call a number peachy if every digit in the number is either a 3 or next to a $3.$ For example, the numbers 333, 83, 303 and 3
Kobotan [32]

Answer:

18

Step-by-step explanation:

33-1

3r-9

r3-8

r means random digit

9+8+1=19

7 0
3 years ago
PLEASE ANSWER ASAP!!!
den301095 [7]
The volume of the figure is since you have to do width times heigh so 25 times 8 which would be 200 as your answer.
5 0
2 years ago
Read 2 more answers
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