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sleet_krkn [62]
3 years ago
14

I WILL MARK BRAINLIEST!!

Mathematics
1 answer:
Wittaler [7]3 years ago
5 0

Answer:

i think 108

Step-by-step explanation:

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I NEED HELP PLEASE I WILL MARK BRAINLIST<br><br> The question is in the screenshot
Ivan

The answer is unreasonable because the value of x is between 2 and 3.The error is : she did not introducing logs in solving the equation.

Step-by-step explanation:

The question is 7^x=95

Here answers is unreasonable because, she can test with powers of seven like;

7²=49

7³=343

So this means the value of x lies between 2 and 3, so here answer 11.71 is unreasonable

b) In this case, to solve the equation, introduce logs both sides

7^x=95

log7^x=log95\\\\\\xlog7=log95\\\\\\x=\frac{log95}{log7} \\\\\\x=2.340

Learn More

Indices :brainly.com/question/1660321

Keywords :Equation, error

#LearnwithBrainly

4 0
3 years ago
Twelve times the number of days decreased by five
baherus [9]
So you times 12/days5?decrease by -5 isn’t it 55?
3 0
3 years ago
What is the interquartile range of this data?
slava [35]
IQR=36-16.. which would give you 20!
7 0
3 years ago
Read 2 more answers
Hope someone can help me with this
Norma-Jean [14]
Hi,

To find the volume of cylinder this formula is required.

v = \pi {r}^{2} h

To get radius you need to divide diameter with 2 like this.

80 \div 2 = 40

Now just put your values into formula.

v = \pi {40}^{2}  \times 130 \\ v =653451.27

You will need 653451.27 cubic centimetres of concrete.

Hope this helps.
r3t40
7 0
3 years ago
Which equation finds the volume of a cube with a side length of 2n6 units?
Xelga [282]

Answer:

Volume of the cube = (2n6)³

Step-by-step explanation:

Volume of a cube = L*B*H

Volume of a cube= L*L*L=L³ (since all the sides of the cube are equal.

Volume of the cube = (2n6)³

7 0
3 years ago
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