Please I’m begging help me I don’t get this question I tried solving it these past 50 minutes ILL GIVE YOU BRAINLINEST

Answer:

[tex]a = \frac{1}{134217728}[/tex]

Step-by-step explanation:

Given

[tex]8^x = a^{-x/9}[/tex]

Required

Find a

Take log of both sides

[tex]log(8^x) = log(a^{-x/9})[/tex]

Apply law of logarithm

[tex]x\ log(8) = (-x/9) log(a)[/tex]

Divide both sides by a

[tex]log(8) = -\frac{1}{9} log(a)[/tex]

Multiply both sides by -9

[tex]-9\ log(8) = log(a)[/tex]

Apply law of logarithm

[tex]log(8^{-9}) = log(a)[/tex]

Cancel out log

[tex]8^{-9} = a[/tex]

Rewrite as:

[tex]a = 8^{-9}[/tex]

Apply law of indices

[tex]a = \frac{1}{8^9}[/tex]

[tex]a = \frac{1}{134217728}[/tex]

Answer:

1747.8

Step-by-step explanation:

V=pi*r^2*h

V = 3.14*(12.1)^2*3.8

=1747.8

Answer:

604°F

Step-by-step explanation:

hope this helps have a nice day :)

i hope this was helpful!

Answer:

EF = 27

Step-by-step explanation:

(x + 34)/2 = 2x - 13

x+ 34 = 4x - 26

3x = 60

x = 20

EF = 2(20) -13 = 27

Answer:

11.  EF = 27

Step-by-step explanation:

11.

Median of a trapezoid:

2x - 13 = 20 + x + 14

                    2

2(2x - 13) = 20 + x + 14

4x - 26 = 34 + x

4x - x = 34 + 26

3x = 60

x = 20

EF = 2x - 13

EF = 2(20) - 13

EF = 40 - 13

EF = 27

Answer:

You divide the diameter by 2 to get the radius.

Answer:

x= 24

I hope it's helps you

Answer:

The quotient is 83

Step-by-step explanation:

More details in the pic attached:

Answer:

omg i suck at annotating on mac

Step-by-step explanation:

8,3

8,3

6,8,0

2,5,5

0

Answer:

4√2 = 5.657

9 - 5.657 = 3.343

√3.343 = 1.828

2√2 = 2.828

1.828 - 2.828 = -1

Answer:

I also got -1 doing it on my calculator

Step-by-step explanation:

i first converted it to exponent form to get rid of the radical

      (9 - 4(2)^1/2 )^1/2  - 2(2)^1/2            solve inside the first parenthsis

      (9 - 4(1.414)^1/2  - 2(2)^1/2              

      (9 - 5.656)^1/2  - 2(2)^1/2                √2 times 4

      (3.343)^1/2  - 2(2)^1/2                     9 - √2 times 4

      1.828  - 2(2)^1/2                             √(9 - √2 times 4)

      1.828  - 2(1.414)                     √(9 - √2 times 4) - 2√2

      1.828  - 2.828                       √(9 - √2 times 4) - 2√2

      -1

Answer:

86 meters was back on valentina,

The distance is 126.67 meters that Chloe walked to get back to Valentina.

A right-angled triangle is a triangle, that has one of its interior angles equal to 90 degrees or any angle is a right angle.

Given that,

Valentina and Chloe are standing next to each other.

The distance travelled by Chloe in south direction = 86 meters.

And distance covered in west direction = 93 meters

Since, Valentina does not move from its place.

To find the nearest distance that Chloe come back to Valentina,

Use Pythagoreans theorem,

(Hypotenuse)² = (Base)² +  (Perpendicular)²

Let the required distance is x meters

(x)² = (86)² + (93)²

x² = 7396 + 8649

x² = 16045

x = 126.67

The required distance IS 126.67 meters.

To know more about Triangle on :

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Answer:

18 is the correct answer hope it helps

Answer:

A

Step-by-step explanation:

Because everything else is wrong trust me

Answer:

x<24

x<22

x<23

Step-by-step explanation:

X - 4<20

move 4 and add it to 20

x<24

same goes for the other solutions

Answer:

D Not similar

Step-by-step explanation:

For similar triangles the sides are always in proportions.

Here two sides are in proportion but third side isn't. So triangles are not similar.

Answer: The opposite of 0 is 0

Step-by-step explanation: Hope this help :D

Answer:

0

Step-by-step explanation:

because there is no opposite to 0 so it would just be 0

Answer:

a) $39+8x<75$, b) no, c) at most 4 pairs

Step-by-step explanation:

Answer:

column X columnY columnZ

Row 1 1 -3. -6

Row 2 0. -2. -2

Row 3. -3. 4. 5

Answer:

7.1 in

Step-by-step explanation:

Given:

θ = 45°

Radius (r) = 9 in.

Required:

Length of the arc

Solution:

Arc length = θ/360 × 2πr

Plug in the values

Arc length = 45/360 × 2 × π × 9

Arc length = 7.06858347 = 7.1 in (nearest tenth)

223 is the answer its a pattern the pattern is    23 98  98 23 98   the last two digets is what u focus on

Answer:

1000 children

Step-by-step explanation:

Find the total units of adults and children = 2 + 3 = 5

5 units = 5000

1 unit = 5000 ÷ 5 = 1000

100% ÷ 5 units = 20% each unit

3 units = 20% x 3 = 60%

Since we all know that 60% of the people are children and 40% of the children are girls...

60 - 40 = 20%

20% = 1000

Answer: 26

Step-by-step explanation:

Angles on a straight line add to 180 degrees, so:

[tex]4x+4+4x-32=180\\\\8x-28=180\\\\8x=208\\\\x=26[/tex]

The value of x is 26.

A straight line is an endless one-dimensional figure that has no width

An angle is the figure formed by two rays, called the sides of the angle, sharing a common endpoint.

The angles add up to 180 degrees in a straight line.

The two angles are 4x+4 and 4x-32

4x+4+4x-32=180

Add the like terms

8x-28=180

Add 28 on both sides

8x=180+28

8x=208

Divide both sides by 8

x=26

Hence, the value of x is 26.

To learn more on Straight lines click:

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Answer:

43.65 cm squared

Step-by-step explanation:

Step-by-step explanation:

False. the number is the x coordinate

True. the x-axis is horizontal

False. 0,0 is called the origin.

Answer:

40

Step-by-step explanation:

5-2(3+9)+4

5-2(12)+4

3(12)+4

36+4

40

Answer:

puedes mandar una foto?

Step-by-step explanation:

Answer:

a=326.76 yd^2

Step-by-step explanation:

a= 2pi(d/2)h+2pi(d/2)^2=2pi(8/2)9+2pi(8/2)^2= 326.72564yd^2

Answer:

28° 62°

Step-by-step explanation:

Hope this helps :)