help me plz i aint feeling good

Answer:

yz)

log(

z

y

)

.(zx)

log(

x

z

)

.(xy)

log(

y

x

)

=

⎣

⎢

⎢

⎡

x

log(

x

z

)

.x

log(

y

x

)

⎦

⎥

⎥

⎤

×

⎣

⎢

⎢

⎡

y

log(

z

y

)

.y

log(

y

x

)

⎦

⎥

⎥

⎤

×

⎣

⎢

⎡

z

log(

z

y

)

.z

log(

x

z

)

⎦

⎥

⎤

=x

log(

y

z

)

.y

log(

z

x

)

.z

log(

x

y

)

=(x

logz−logy

).(y

logx−logz

).(z

logy−logx

)

=

x

logy

x

logz

.

y

logz

y

logx

.

z

logx

z

logy

=

y

logx

x

logz

.

z

logy

y

logx

.

x

logz

z

logy

=1

Answer:

4y^2 - 9x^2 = -36

Step-by-step explanation:

x = 2 sec t

y = 3 tan t

x^2 = 4 sec^2 t

y^2 = 9 tan^2 t

Now sec^2t = 1 + tan^2 t so we have:

4(1 + tan^2 t) + 9 tan^2 t = x^2 + y^2

4 + 13 tan^2 t = x^2 + y^2

13 tan^2 t = x^2 + y^2/ - 4

tan^2 t = x^2/13 + y^2/13 - 4/13

But , from the second equation tan t =  y/3 so tan^2 t = y^2/9, so:

y^2/9 =  x^2/13 + y^2/13 - 4/13

LCM of 9 and 13 is 117 so multiply thru by 117:

13y^2 = 9y^2 + 9x^2- 36

4y^2 - 9x^2 = -36

Answer:

m = -1

Step-by-step explanation:

use the slope formula so m = 1- -2 / -1 - 2

m = 1+2/-3, m=3/-3 so m = -1

Answer:

5[tex]t[/tex] + 40 ≤ 500

Step-by-step explanation:

Jason can rap 5 words per second

5t

He can already rap 40 words into the song

40

There are 500 words to the whole song

500

5[tex]t[/tex] + 40 ≤ 500

The inequality to determine how many more seconds t he will rap to complete the song if the total song, 5t+ 40 ≥500.

Mathematical expressions with inequalities are those in which the two sides are not equal. Contrary to equations, we compare two values in inequality. Less than (or less than or equal to), greater than (or greater than or equal to), or not equal to signs are used in place of the equal sign.

Given:

Jason can rap 5 words per second

let 't' be the time Jason rap then number of words he rap after t seconds 5t.

and, He can already rap 40 words into the song

Also, the whole sing contains 500  words.

Then, the inequality is

5t+ 40 ≥500.

Learn more about Inequality here:

https://brainly.com/question/28823603

#SPJ2

Answer:

There are two possible numbers: 99 990 000 and 44 445 555

Step-by-step explanation:

The multiples of 45 are 5 and 9

There are two possible numbers: 99 990 000 and 44 445 555.

Numbers are the numerical values like 1,2,3 etc.It is given that The eight-digit number ppppqqqq, where p and q are digits, is a multiple of 45.

Every multiple of 45 is a multiple of both 5 and 9 here P and Q are single-digit integers.

By using the rules of divisibility we can see that if q=0 or q =5 so 4P+4q is a multiple of 9.

If q=0 4P is a multiple of 9 P=9

If q =5 ( 4p + 5 ) is a multiple of 9

Hence p + 5 = 9 and p =4

Therefore there are two possible numbers: 99 990 000 and 44 445 555.

To know more about numbers follow

https://brainly.com/question/251701

#SPJ2

Answer:

Where are the following expressions?

Step-by-step explanation:

Answer:

I guess the answer is x=0.2/45

Answer:

50 times

Step-by-step explanation:

Given that:

Number of spins = 400

Sample space = (1, 2, 3, 4, 5, 6, 7, 8)

Probabililtybof landing on 6 on a single spin :

Probability = required outcome / Total possible outcomes

P(landing on a six) = 1/ 8

Probability of landing on a 6 in 400 spins :

1/8 * 400 = 50 times

Answer:

132 square units

Step-by-step explanation:

We are to find the surface area of a square pyramid.

From the diagram above, we are given:

Slant height = 6 units

Base = 8 units

The formula is given as:

= 2bs + b²

= 2 × 8 × 6 + 6²

= 96 + 36

= 132 square units

Answer:

The answer would be 2/5

Step-by-step explanation:

Fill in 2 as numerator then 5 as denominator.

(You welcome)

Answer:

[tex]40\frac{5}{8}mm^2[/tex]

Step-by-step explanation:

To find the area of a triangle, one must use the formula,

[tex]\frac{base*height}{2}[/tex]

It is given that

- base = [tex]9\frac{3}{4}[/tex]

-height = [tex]8\frac{1}{3}[/tex]

Substitute in the values and solve;

[tex]\frac{9\frac{3}{4}*8\frac{1}{3}}{2}[/tex]

In order to multiply the two fractions, one must convert them from mixed number form to improper fraction form. This can be done by multiplying the denominator (the number under the fraction bar), by the "number" part of the mixed number, and then adding the result to the numerator (the number over the fraction bar;

- base = [tex]9\frac{3}{4}=\frac{(9*4)+3}{4}=\frac{36+3}{4}=\frac{39}{4}[/tex]

- height = [tex]8\frac{1}{3}=\frac{(8*3)+1}{3}=\frac{24+1}{3}=\frac{25}{3}[/tex]

Substitute,

[tex]\frac{\frac{39}{4}*\frac{25}{3}}{2}[/tex]

Cross simplify,

[tex]\frac{\frac{325}{4}}{2}[/tex]

Further simplify,

[tex]\frac{325}{4}*\frac{1}{2}\\\\= \frac{325}{8}[/tex]

Convert back to a mixed number divide the numerator by the denominator, write the whole-number result as the number outside of the fraction, and the remainder as the numerator of the fraction,

[tex]40\frac{5}{8}[/tex]

Answer:y=4x+2

Step-by-step explanation:m= rise and b=run rise /run when u look at the graph start at the pount to a count how many u rise to get to 2 then cout how many u run to get to 2 again so that would be y=4x+2.

Answer:

276 students

Step-by-step explanation:

36/60=0.6

Therefore, 60% of students in the random survey are planning to vote for her. Using that 60%, we can predict how many students in all will vote for her.

460(0.6)=276

That means 276 students will vote for her.

Answer:

A)5176

B)647

Step-by-step explanation:

5176 is the highest even number that is divisible by 8

Step-by-step explanation:

7-5= 2

5-1= 4

5+1 =6

7+1= 8

therefore, the four digits even number are 2,4,6,8

Answer:

front triangle: (6x4)/2 = 12

back triangle: (6x4)/2 = 12

side: 12x5 = 60

other side: 12x5 = 60

bottom: 12x6 = 72

12 + 12 + 60 + 60 + 72 = 216

216 cm squared

Answer:

y=2x-1

Step-by-step explanation:

Answer:

y=2x-1

Step-by-step explanation:

Every 1 x the line goes across it goes up 2 so x=2.  You will also notice that the line passes through -1 on the y so y=2x-1/  BTW great graphing calculator to check lines and equations

desmos calculator

Answer: The height of tree = 15 ft. 6 inches

Step-by-step explanation:

Given: A person's height is 5-ft 3-in = [5 x (12 )+3 ]  inches    [ 1 ft= 12 inches]

= 63 inches      

Their shadow has a length of 3-ft 6-in = [3 x 12+6] inches    

= 42 inches

If a nearby tree has a shadow of length 10-ft 4-in = [10 x 12+4] inches

= 124 inches.

At the same time,

[tex]\dfrac{\text{Height of tree}}{\text{Height of person}}=\dfrac{\text{Length person's shadow}}{\text{Length of tree's shadow}}\\\\\dfrac{\text{Height of tree}}{63}=\dfrac{124}{42}\\\\\Rightarrow\ \text{Height of tree}=\dfrac{124}{42}\times63=186\ inches\\\\=\dfrac{186}{12}= 15.5 ft\ or\ 15 ft.\ 6\ inches.[/tex]

Hence, the height of tree = 15 ft. 6 inches

Answer:

112

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Step-by-step explanation:

Step 1: Define

8 × (3v - 4)

v = 6

Step 2: Evaluate

Answer:

y = 112

Step-by-step explanation:

This is solved by first writing out the equation correctly

[tex]8 * (3*6-4)[/tex]

we solve whats inside the parenthesis first

this equals 14

now 14 times 8 is 112

Answer:

72 mins

Step-by-step explanation:

The number of minutes Sam spent on exercising is 72 minutes. Therefore, option B is the correct answer.

Functions are the fundamental part of the calculus in mathematics. The functions are the special types of relations. A function in math is visualized as a rule, which gives a unique output for every input x.

The given function is y = -0.78x + 95

Let x be the number of minutes of television Sam watched each day and y the number of minutes she spent exercising.

Here, x=30

Substitute x=30 in the given function, we get

y = -0.78(30)+95

= -23.4+95

= 71.6

≈ 72 minutes

Therefore, option B is the correct answer.

To learn more about the function visit:

https://brainly.com/question/28303908.

#SPJ7

"Your question is incomplete, probably the complete question/missing part is:"

The table compares x, the number of minutes of television Sam watched each day, to y, the number of minutes she spent exercising. The function y = -0.78x + 95 models the data in the table.

Which is the best prediction for the number of minutes of exercising Sam will do if she spends 30 minutes watching television that day?

A. 45 minutes

B. 72 minutes

C. 83 minutes

D. 118 minutes

Answer:

can you plz show a pic of the page ...

Step-by-step explanation:

Answer:

Step-by-step explanation:

The property of 30°-60°-90° :

The side opposite the 30° angle is the shortest and the length of it is equal to half of the length of the hypotinuse.

Answer:

(1-x2)× (2-3x)2

(1-x2) ×(8-36x+54x2-27x3)

8-36x+54x2-27x3-8x2+36x3-54x4+27x5

8-36x+46x2+9x3-54x4+27x5

Answer: 27x5-54x4+9x3+46x2-36x+8  

Step-by-step explanation:

step 1- expand the expression

step 2- remove the parentheses

step 3- collect like terms

step 4- reorder the terms

Answer: 63 total gummy bears

Step-by-step explanation: 37 - 16= 21. 21 is the one third she ate. So 21 x 3 give you the original amount of gummy bears which is 63

Equation= 37 - 16 x 3= 63

Let that be x

[tex]\\ \rm\rightarrowtail x/3+16=37[/tex]

[tex]\\ \rm\rightarrowtail x/3=37-16[/tex]

[tex]\\ \rm\rightarrowtail x/3=21[/tex]

[tex]\\ \rm\rightarrowtail x=21(3)[/tex]

[tex]\\ \rm\rightarrowtail x=63[/tex]

Answer:

x=6

Step-by-step explanation:

The two triangles shown are similar (AAA: they share the angle on the right and the two other angles are corresponding and therefore equal).

Since, they're similar, the sides are in ratio to eachother:

[tex]\frac{x+(x+3)}{8+12} = \frac{x+3}{12}[/tex]

12(2x+3)=20(x+3)

24x+36=20x+60

4x=24

x=6

Answer:

50 cm² and 56 cm²

Step-by-step explanation:

The area (A) is calculated as

A = [tex]\frac{1}{2}[/tex] × d₁ × d₂ ( d₁ and d₂ are the length of the diagonals )

(2)

A = [tex]\frac{1}{2}[/tex] × (8 + 2) × (5 + 5)

   = 0.5 × 10 × 10

   = 5 × 10

    = 50 cm²

(3)

A = [tex]\frac{1}{2}[/tex] × (12 + 2) × (4 + 4)

   = 0.5 × 14 × 8

   = 7 × 8

    = 56 cm²