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solniwko [45]
3 years ago
8

What is the answer to 2log3(x)=4?

Mathematics
1 answer:
Marysya12 [62]3 years ago
8 0

Answer:

x ≈ 4.19180

Step-by-step explanation:

2 log 3(x) = 4

2 log(3)(x) = 4

Divide both sides by 2log (3) to isolate x by itself

\frac{2log(3)(x)}{2log(3)} = \frac{4}{2log(3)}

x = \frac{4}{2log(3)}

or x ≈ 4.19180

using a calculator you can write the answer as a rounded number

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If f(x)=x2+10sinx, show that there is a number c such that f(c)=1000.
gayaneshka [121]
F(x) is continuous for all x.

Pick a point and show that f(x) is either negative or positive. Pick another point and show that f(x) is negative, if positive, or positive, if negative.

At x = 30, f(30) - 1000 = 900 + 10sin(30) - 1000 ≤ 0
Now, show at another point f(x) - 1000 is positive, and hence, there would be root between 30 and such point.

Let's pick 40.
At x = 40, f(40) - 1000 = 1600 + 10sin(40) - 1000 ≥ 0

Since f(x) - 1000 is continuous, there lies a root between 30 and 40, and hence, 30 ≤ c ≤ 40
7 0
3 years ago
Determine if the two triangles are congruent.
stiks02 [169]

Answer:

SAS

Step-by-step explanation:

The two triangles share a side, so that would be reflexive to show that side is congruent. Also, keep in mind that all right angles are congruent! The picture already tells us that the two outer side are congruent. So in conclusion, the two angles are congruent by SAS.

Hope this helps! :)

3 0
3 years ago
Read 2 more answers
A sphere has a radius of 1.5 inches.
Schach [20]
V = (4/3)×3.14×(1.5^3)
V = 14.1 in^3
7 0
2 years ago
What is the solution to -3/4 x + 2 ≤ -7 ?
Dvinal [7]

Answer:

x ≥ 12

Step-by-step explanation:

Step 1: subtract 2 from both sides

Now you have; -3/4 x ≤ -9

Step 2: divide both sides by -3/4

Now you have x ≥ 12

(when dividing an inequality by a negative you have to flip the sign)

Therefore the answer is x ≥ 12

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3 years ago
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Can someone help me on 64 67 68 and if you do you will get a lot of points
andre [41]

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Step-by-step explanation:

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#67

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SO, it's 15%.


#68

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So, Darren makes the most.

8 0
3 years ago
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