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KonstantinChe [14]
3 years ago
6

Twice a number decreased by four is seven

Mathematics
1 answer:
GalinKa [24]3 years ago
4 0

Answer:

2x > 10+4

x > 14/2

x > 7

Step-by-step explanation:

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Which logarithmic equation is equivalent to 3^2 = 9?
noname [10]

Answer:  log_39=2 is the logarithmic equation which is equivalent to3^2=9.


Step-by-step explanation:

According to the laws of logarithms

log_b\ x=n ,where b=base ,n,x all are positive

It can be written in exponential form such as

x=b^n

Now in the given question x=9 ,b=3 and n=2 such that it will equals to

log_39=2

Hence the logarithmic equation for 3^2=9 islog_39=2.

8 0
3 years ago
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Help me solve 10 and 11 Please. And show your work
Vaselesa [24]
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5 0
3 years ago
Solve the inequality <br> 52 - 3x &lt; -14
nata0808 [166]

Answer:

x>22

Step-by-step explanation:

Solve the inequality:

-3x<-14-52

-3x<-66

x>22

( You have to switch the sign because you are dividing by a minus)

6 0
3 years ago
Help Quickly ASAP! look at the screenshot I gave you<br><br> POINT:20
igomit [66]

Answer:

41 i think

Step-by-step explanation:

sry if its wrong and have a wonderful day :) :) :)

8 0
3 years ago
Given a soda can with a volume of 21 and a diameter of 6, what is the volume of a cone that fits perfectly inside the soda can?
lutik1710 [3]
If the soda can is a cylinder, which is most likely, than that means we need to find the height of the cone. The formula for volume of a cylinder is V= пr^2h (look at the pic for clearer formula) and we know the diameter of the soda can is 6, we know the radius is 3 because diameter is a line reaching from one point of the circle to the other. Radius is a line reaching from the center of the circle to the outside as shown in the image. We divide pi (you can put in the calculator 3.14) from 21, then we get 6.688 (if we round up) and then you must look at the formula now

it looks like
6.688=r^2h

that means we must find 3^2
that basically means 3x3 which is 9

then you have to divide that from 6.688

then you get 0.743

that is your height.

now we must find the volume of the cone. The formula for that is

V=пr^2(h/3)

now lets plug in our info

V=(3.14)(9)(0.743/3)

you get 6.999

4 0
3 years ago
Read 2 more answers
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