Please help me out. I will be picking the brainiest Answer!!!

Answer:

1) [tex]9^{2}=81[/tex]

2) [tex]7=log_{2}(128)[/tex]

Step-by-step explanation:

1)

We need to use the property of power and logarithms, particularly this:

[tex]a=x^{log_{x}(a)}[/tex] (1)

So, let's take take the exponent:

[tex]9^{log_{9}}(\frac{1}{81})=9^{-2}[/tex]

[tex]\frac{1}{81}=9^{-2}[/tex]

now, we can write the negavitve power as:

[tex]\frac{1}{81}=\frac{1}{9^{2}}[/tex]

So, the aswer will be:

[tex]9^{2}=81[/tex]

2)

Applying equation 1, let's take log in base 2 on each side of the equation

[tex]log_{2}(2^{7})=log_{2}(128)[/tex]

using the power definition in log, we have:

[tex]7log_{2}(2)=log_{2}(128)[/tex]

Therefore, the answer is:

[tex]7=log_{2}(128)[/tex]

I hope it helps you!

Answer:

113.04

π×6^2 is the solution of this

Answer:

area = 113.1 m²

Step-by-step explanation:

area = PiR²

area = (Pi)(6²) = 113.1 m²

Answer:

The starting point of

F1 is

[tex](0. \frac{1}{2} )[/tex]

F2 is

[tex](0.3)[/tex]

Y will increase if the x increase in the two equation

Step-by-step explanation:

If you need any explanation in it or anything on math you can communicate with me on Whats on this number +201557831028 or in email or face or anything

Answer:

x= 2.28

or, x= 0.219

Step-by-step explanation:

2x²-5x+1 =0

a= 2, b= -5 and c= 1

x= (-b + √(b²-4ac))/2a

= (5 + √(25-8))/4

= (5 + √17)/4

(-35-42-63)/7= (-140)/7=-20

Answer:

II) 78

Step-by-step explanation:

2x - 6 + 7x + 15 = 90

9x + 9 = 90

9x = 81

x = 9

<ABC:

7x + 15

7(9) + 15

78

Answer and Step-by-step explanation:

To find the measure of angle ABC, we need to find what x is first. We accomplish this by adding together the two angles and setting it equal to 90.

2x - 6 + 7x + 15 = 90

Combine like terms.

9x + 9 = 90

Subtract 9 from both sides.

9x = 81

Divide both sides by 9.

x = 9

We get x to be 9.

Now, we can plug this in for angle ABC.

7(9) + 15

Multiply 7 and 9 together.

63 + 15

Add 63 and 15 together.

78

The measure of ABC is 78.

That means the answer is II) 78.

#teamtrees #PAW (Plant And Water)

The unit rate of demonstrated in the graph will be 4.5 miles per hour. Then the correct option is B.

The rate is the proportion of how much something is to the unit. For instance - Assuming that the speed of the vehicle is 20 km/h it implies the vehicle voyages 20 km in 60 minutes.

The incline is the proportion of rising or falling and running. The contrast between the ordinate is called rise or fall and the distinction between the abscissa is called run.

The slope of the line is given as,

m = (y₂ - y₁) / (x₂ - x₁)

From the graph, take two points from the graph which are (0, 0) and (27, 6).

Then the unit rate demonstrated in the graph will be given as,

Rate = (27 - 0) / (6 - 0)

Rate = 27 / 6

Rate = 4.5 miles per hour

The unit rate of demonstrated in the graph will be 4.5 miles per hour. Then the correct option is B.

More about the rate link is given below.

https://brainly.com/question/14731228

#SPJ2

Answer:

Step-by-step explanation:

Shaded area is the difference in the areas of big and small circles.

Answer:

area of shaded region

=π5²-π3²=50.2857142857cm²

Step-by-step explanation:

to find shaded region first find area of big circle and of small

subtract area of small circle from big circle.

Here's link to the answer:

tinyurl.com/wpazsebu

Answer:

$20

HOPE THIS HELPS

-Todo <3

Step-by-step explanation:

40/2=20

Answer: 2^5*3^2*7*1

Step-by-step explanation:

Answer:

x = -8

Step-by-step explanation:

The line is a vertical line with x-intercept of -8

Answer:

36

Step-by-step explanation:

Answer:

36 sides

Step-by-step explanation:

Answer:

[tex]4 - |m|[/tex]

Step-by-step explanation:

The two lines on each side of the m, signify that it is absolute value.

The difference of 4 and the absolute value of m, translates to 4 - |m|

Answer: 6 cm^2

Step-by-step explanation:

The area base when the trapezoid-based right prism has a volume of [tex]30\ cm^3[/tex], 6cm ,5 cm, 1 cm should be 6.

Here we assume

a = 6

b = 5

c = 1

Now we know that

area

[tex]= (a + b)\div 2 \times c\\\\= (6 + 5)\div 2 \times 1\\\\= 5.5\times 1[/tex]

= 6

Hence, The area base when the trapezoid-based right prism has a volume of [tex]30\ cm^3[/tex], 6cm ,5 cm, 1 cm should be 6.

Learn more about an area here: https://brainly.com/question/24682685

Answer:

4s+4

Step-by-step explanation:

I hoped this helped :)

Answer: 19,531,250

.......

Answer:

multiplicative inverse of -2/9 is -9/2.

Step-by-step explanation:

HOPE THIS HELPS :)

make sure to mark me brainliest for the 4 algebra calculators that WORK GREAT

Answer:

Average rate of change = 1

Step-by-step explanation:

Average rate of change of a function between x = a and x = b is defined by,

Average rate of change = [tex]\frac{f(b)-f(a)}{b-a}[/tex]

We have to find the average rate of change of the function in the interval 2 ≤ x ≤ 4

Therefore, average rate of change of the function = [tex]\frac{f(4) - f(2)}{4-2}[/tex]

From the graph attached,

f(4) = 4

f(2) = 2

Average rate of change = [tex]\frac{4-2}{4-2}[/tex]

                                        = 1

Therefore, average rate of change of the function in the given interval is 1.

Answer:

x = sqrt 5x - 2/2

Step-by-step explanation:

2(x-1)(x+1) = 5x

2(x^2 - 1) = 5x

2x^2 - 2 = 5x

2x^2 = 5x - 2

2x = sqrt 5x - 2

x = sqrt 5x - 2/2

Answer:

y=1/2x-3/2

Step-by-step explanation:

m1=-2

m1m2=-1

-2m2=-1

m2=1/2

-1=1/2(1)+b

b=-3/2

y=1/2x-3/2

Answer:

Each child ticket cost = $6

Step-by-step explanation:

Joe has = $100

His balance after tickets purchase = $22

Actual amount spent on tickets = $100 - $22 = $78

But,

Each adult ticket cost = $9

Total no of adult = 6

Total amount spent (adults) = $9 x 6 = $54

Balance remaining = $78 - $54 = $24

Amount spent of 4 child tickets = $24

No of children = 4

Therefore,

Amount spent on 1 child (1 ticket),

= $24/4 = $6.

It could be seen that each child ticket cost six dollars.

Answer:

angle plm+angle lpm+angle pml=180°[by angle sum property]

21°+angle lpm+38°=180°

59°+ lpm=180°

lpm=180°-59°

lpm=121°

lpm+npl=180°[by limear pair]

121°+npl=180°

npl=180°-121°

npl=59°

Answer:

x = 51

Step-by-step explanation:

It looks like alt int. angles (correct me if im wrong)

3x - 40 = 2x + 11

x = 51

Answer: First secutitys at my school dont even have nothing but a walkie talkies in there hands but I will say this we have cops walking around inside of our school and there all armed up because obvisouly their cops so i would think not security should not have a fire arm because what happens if a old lady a securrityguard she cant move fast so I think not they would have to deal it with by hand and there walkie talkies.

Step-by-step explanation:

Answer:no because they might be part of a crime and shoot up the school like boom bang bin bot pow and 500 people drop dead like me in the bed room.

Step-by-step explanation:

Answer:

7

Step-by-step explanation:

3*7+4=25

5*7-10=25

Answer:

$80+18%= $94.4

Step-by-step explanation:

80:100×18= $14.4 (18% of 80)

$80+14.4 = $94.4

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