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3 years ago

Solve the equation 3=8^x for x

Mathematics

1 answer:

Furkat [3]3 years ago

7 0

Answer:

x=2 2/3

Step-by-step explanation:

The equation also means that x=8^3

8/3=2 2/3

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Solve the exponential function

nikklg [1K]

Answer:

See below.

Step-by-step explanation:

Just like 18, continue with 19-21. Solve for x by rewriting each equation in log form.

$e^x = 4.9\\\\x = ln 4.9\\\\x = 1.59$

When rewriting the form, the base of the exponent becomes the base of the log.

8 0

3 years ago

What is the factor of this problem? <br> ~plz help I cannot get this wrong !

ratelena [41]

Answer:

(x+4) (x+5)

Step-by-step explanation:

7 0

3 years ago

This figure is made up of a quadrilateral and a semicircle.

Arturiano [62]

Answer:

The correct option is B. The area of the figure is 40.4 units².

Step-by-step explanation:

The line AB divides the figure in two parts one is a rectangle and another is semicircle.

The distance formula is

$d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}$

The length of AB is

$AB=\sqrt{(2+3)^2+(4-2)^2}=\sqrt{25+4}=\sqrt{29}$

The length of AD is

$AD=\sqrt{(-1+3)^2+(-3-2)^2}=\sqrt{4+25}=\sqrt{29}$

Since AB=AD, therefore ABCD is a square. The area of the of square is

$A_1=a\times a=\sqrt{29}\times \sqrt{29} =29$

The area of square is 29 units².

The area of a semicircle is

$A_2=\frac{\pi}{2}r^2$

Since AB is the diameter of the semicircle, therefore the radius of the semicircle is

$r=\frac{d}{2}=\frac{\sqrt{29}}{2}$

The area of the semicircle is

$A_2=\frac{3.14}{2}(\frac{\sqrt{29}}{2})^2=40.3825$

The area of the figure is

$A=A_1+A_2=29+11.2825=40.3825\approx 40.4$

Therefore the area of the figure is 40.4 units². Option B is correct.

5 0

3 years ago

Explain how you can use multiplication to show that two-fourths and four-eighths are equivalent.

ANTONII [103]

Answer:

2/4 and 4/8 are equivalent because you can use the butterfly method of multiplication. Meaning you multiply the numerator by the other fractions denominator and vis-versa.

Step-by-step explanation:

2 x 8 = 16

4 x 4 = 16

3 0

3 years ago

Help me please how do I get the answer to 7.44 divided by 6 equals

dalvyx [7]

<span>7.44 divided by 6 = 1.24
hopes this helps.</span>

5 0

2 years ago

Read 2 more answers

Solve the equation 3=8^x for x​

Solve the equation 3=8^x for x