Y=log x If y=10, then what is x?

A.
10
B.
1
C.
100
D.
10^2
3.
What is 10*9*8*7*6*5*4*3*2*1?A.
10! or 3628800
B.
100
C.
1000
D.
10^10

Answers

Answer 1

Answer:

First question, x= 10^10.

Second question is 10!. or 362880

Step-by-step explanation:

First Question:

Simple logx has a base of 10, i.e log10 x,

the question will be 10 = log10 x,

when taking the base "10" from the right side to the left, the number on the left side becomes the power of the base, in this case 10 from the right will be base and 10 from the left will power and log will vanish.

x=10^10.

Another example with different numbers

Y=logx if Y= 12, What is x?

The base is ten when not given,so:

12=logx

10^12=x

Second Question;

simple multiplication just multiply the numbers.

10! is pronounced as 10 factorial,

5! will be 5x4x3x2x1=120


Related Questions

7.What are the steps that you would follow to recreate a triangle using a protractor, a string, and the AAS Congruence Theorem?

Answers

ANSWER:

To construct a triangle given one side and the angle at each end of it with compass and straightedge or ruler. It works by first copying the line segment to form one side of the triangle, then copy the two angles on to each end of it to complete the triangle.  Follow these steps to draw the recreate a triangle using a protector, a string and angle, angle side congruence theorem.

STEP-BY-STEP EXPLANATION:

Step 1: You will need to choose two angle and one length for both triangle. Noted that the two angle and one length must be the same for both triangle.

Step 2: Draw a long line on a paper

Step 3: Use a ruler to measure the length ,and then make a mark on the string.

Step 4: Use the string to mark on the long line.

Step 5: Use a protractor to measure

Step 6: Use AAS Congruence Theorem to prove that both triangle are congruent.

your new cell phone plan charges $50 per month for 400 minutes of talk time. the plan charges $0.10 for each additional minute you talk. you use 50 additional minutes this month. what is your bill for the month?

Answers

 55 dollars would be the answer

Answer:

$55

Step-by-step explanation:

Jared wrote an equation for the perimeter of an equilateral triangle as 3x = 20. What does x represent in his equation?

Answers

equilateral triangle has  3 sides of equal legnth
x must represent the legnth of 1 side
x=20/3

Answer:

The length of a side of the triangle.

Step-by-step explanation:

An equilateral triangle has 3 equal sides so the x would be equal to one side of the triangle.

How to find the product of rational expressions

Answers

1. find the greatest common factors of the numerator & denominator 
2. regroup the factors to make fractions equivalent to 1
3. multiply the remaining factors

Step 1: Factor both the numerator and the denominator...

Step 2: Write one as a fraction

Step 3: Simplify the rational expression

Step 4: Multiply any remaining numerators and/or denominators...

Step 5: Factor both the numerator and the denominator

Step 6: Write as one fraction
 Sorry its a little long..                                                                                                                                                                                

How many regions would a net for a three-dimensional solid like the one shown have?

Answers

You can count that there are 2 same big bases. They are hexagons because they have 6 sides. On the side of object we can count 6 same 4 side surfaces.

Which brings us with total of 8 regions. 2 bases and 6 sides

Answer:

A

Step-by-step explanation:

simplify please I need help don't get it

Answers

Hope this helps. If you have any further question ask me in comment.

Which equation is satisfied by all of the plotted points?

A. y = 2x
B. y = x + 3
C. y = 2x + 1
D. y = -2x
E. y = x
F. y = 3x -3

Answers

The answer is y= -2x

how do u right this Seven less than the quotient of x and 9

Answers

(x/9)-7 is the same as "Seven less than the quotient of x and 9"

Answer:

(x÷9)−7 is your answer.

A class of 18 students took a math test. Seven students had an average of 90. The other students had an average of 82.

What is the average for the whole class? Round to the nearest whole percent.
A) 80
B) 83
C) 85
D) 87

Answers

I think it'd be C. I could be wrong.. 

Answer: C- 85%

Step-by-step explanation:

7x11=630

Remaining Students: 18-7=11

11x82=902

Aveage:

630+902=1532

1532/18=85.1111

How many times does 59 go into 295?

Answers

When you dived 295 by 59

Then answer equal 5
295 = 5
  5
So 59 goes into 295 5 times.

A student is running a 10-kilometer race. He runs 1 kilometer every 4 minutes. Select the function that describes his distance from the finish line.

f(x) = - 1 over 4x + 4

f(x) = - 1 over 10x + 4

f(x) = - 1 over 10x + 10

f(x) = - 1 over 4x + 10

Answers

A student is running a 10-kilometer race. He runs 1 kilometer every 4 minutes. Select the function that describes his distance from the finish line.


f(
f(x) = - 1 over 4x + 10

Answer:

Option D is correct

[tex]y =-\frac{1}{4}x+10[/tex]

Step-by-step explanation:

Slope intercept form:

The equation of line is given by:

[tex]y=mx+c[/tex]           .....[1]

where, m is the rate or slope and c is the y-intercept or initial value.

As per the statement:

Here, y represents the distance in kilometer and x represents the time in minutes.

A student is running a 10-kilometer race

⇒y(0) = b = 10 km

It is also given that he runs 1 kilometer every 4 minutes.

Now, with each passing minute the student is getting closer and closer to the finish line which was 10 kilometers away when the race started. Thus, as the race progresses, the distance between the student and the finish line will decrease.

[tex]m =-\frac{1}{4}[/tex]

Substitute these in [1] we have;

[tex]y = -\frac{1}{4}x+10[/tex]

Therefore, the function that describes his distance from the finish line is, [tex]y = -\frac{1}{4}x+10[/tex]

What is 4/5 4/5 as a mixed number fraction?

Answers

You can't convert that into a mixed number. Unless you are talking about 4/5 + 4/5. The answer would be 1 3/5.

The perimeter of the rectangle below is 128 units. Find the length of side VW .
Write your answer without variables.

Answers

I hope this helps you




Perimeter=2 (length +widht )



128=2 (2y+3+3y+1)



64=5y+4


5y=60


y=12



VW=3y+1=3.12+1=37
First we write equation for perimeter of rectangle. Why? because we have been given that it is 128 units and maybe we can calculate something from it.

P = 2a + 2b    where 
a = 2(3y + 1 )  and   b = 2(2y +3)
P = 6y + 2 + 4y + 6 = 10y + 8 = 128
now we can solve for y
10y = 120
y = 12

Now we just express value of y in formula for finding lenght of VW and we got length

Answer is 37

Karina uses the system of equations below to compare the monthly utility costs in July and December for electricity, x, and natural gas, y.

750x + 17y = 141.61
300x + 30y = 75.90
Karina solves the system using linear combination and arrives at the equation 116y = 96.28. She then solves this equation for y. Which statement explains Karina’s solution?

a. The cost of electricity is $0.17 per unit.
b. The cost of natural gas is $0.20 per unit.
c. The cost of electricity is $0.72 per unit.
d. The cost of natural gas is $0.83 per unit.

Answers

D: The cost of natural gas is $0.83 per unit.

Answer:

Option d is correct

The cost of natural gas (y) = $0.83 per unit

Step-by-step explanation:

Given the system of equation:

750x + 17y = 141.61                 ......[1]

300x + 30y =75.90                 ......[2]

where x is the cost of electricity and y is the costs of natural gas.

Multiply equation [1] by 30 and equation [2] by 75 we get;

[tex]30 \cdot (750x + 17y) = 30 \cdot 141.61[/tex]

Simplify:

22500x + 510y = 4248.3        ......[3]

[tex]75 \cdot (300x + 30y) = 75 \cdot 75.90[/tex]

Simplify:

22500x + 2250y = 5692.5      .......[4]

Subtract equation [3] from  [4]  we get;

1740 y = 1444.2

Divide by 15 both sides, we get

116 y = 96.28

Since, Katrina solves the above system using linear equation and arrives at the equation :

116 y = 96.28

Division property of equality states that  divide the same number to both sides of an equation:

Divide by 116 to both sides of an equation, to solve for y;

[tex]\frac{116 y}{116} =\frac{96.28}{116}[/tex]

Simplify:

y = 0.83 where y represents the cost of natural gas

Therefore, the cost of natural gas y ,is, $ 0.83 per unit.



After 3 years, what is the total amount of a compound interest investment of $5,000 at 4% interest, compounded quarterly?


$5,203.71


$5,360.68


$20,480,000


$5,634.13

Answers

5634.13 is the answer to your question

5,893,402 + 19,392,009 =

Answers

5,893,402+19,392,009=25,285,411

Which number belongs to the solution set of the equation below? x - 7 = 35
A) 22
B) 28
C) 42
D) 41

Answers

add 7 to 35 theres your answer aka 42
C) 42 is the answer. Its because you take -7 to the other side which becomes a +7

A company introduces a new product for which the number of units sold S is
S(t)= 200 ( 5- 9/(2+t))
where t is the time in months

(a) Find the avg. value of S(t) during the first year.
(b) During what month does S'(t) equal the avg value during the first year? ...?

Answers

(a) The "average value" of a function over an interval [a,b] is defined to be 

(1/(b-a)) times the integral of f from the limits x= a to x = b. 

Now S = 200(5 - 9/(2+t)) 

The average value of S during the first year (from t = 0 months to t = 12 months) is then: 

(1/12) times the integral of 200(5 - 9/(2+t)) from t = 0 to t = 12 

or 200/12 times the integral of (5 - 9/(2+t)) from t= 0 to t = 12 

This equals 200/12 * (5t -9ln(2+t)) 

Evaluating this with the limits t= 0 to t = 12 gives: 

708.113 units., which is the average value of S(t) during the first year. 


(b). We need to find S'(t), and then equate this with the average value. 

Now S'(t) = 1800/(t+2)^2 

So you're left with solving 1800/(t+2)^2 = 708.113 

I'll leave that to you

Given that f(x) = 6x 2 and g(x) =2x=4/5 , solve for g(f(1))

Answers

Answer:

The answer would be 4.

Step-by-step explanation:

What you have to do here is you have to substitute

So the problem told you the f(x) = 1. So what you want to do is plug that into the function f(x).

So:

f(x) = 6(1)2

     = 8

Now we know that f(x) = 8, so what we going to do now is plug f(x) into g(x).

So:

g(f(8)) = 2(8) + 4/5

         = 4

The value of g(f(1)) is 4.

Composite function -Composition of functions is the process of plugging one function into another, and simplifying or evaluating the result at a given x-value. Another way to read it is "f circle g of x." It is a process that joins two functions to create a third, unique function.

Given ,

            f(x) = 6x + 2

            g (x) = 2x + 4 /5

To get value of g(f(1)) first  we have to solve f(x).

               f(x) = 6x + 2  .......................(1)

We simply put x = 1 in equation 1 .

         Then, F(1) = 6 × 1 + 2 ⇒ 8

Now , we put value of f(1) in g(f(1)) ,

So,     g(f(1)) = [tex]\frac{2x + 4}{5}[/tex]

                    = [tex]\frac{2 * 8 + 4}{5}[/tex]

                    = [tex]\frac{16 + 4}{5}[/tex]

                    = 20/5 ⇒ 4

Therefore, the value of g(f(1)) is 4 .

Learn more about Composite function brainly.com/question/24780056 here

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which is greater 14 ounces or 0.4 kilograms

Answers

Final answer:

After converting 0.4 kilograms to ounces using the appropriate conversion factors, it is determined that 0.4 kilograms is slightly greater than 14 ounces.

Explanation:

To determine which is greater, 14 ounces or 0.4 kilograms, we first need to use the appropriate conversion factors to compare the two measurements in the same unit. Since 1 pound is equivalent to 0.4536 kilograms, and 1 pound is also equal to 16 ounces, we need to convert one of the measures so that both are in either ounces or kilograms for a direct comparison.

Converting 0.4 kilograms to ounces:

1 kilogram is approximately 2.20462 pounds (since 1 pound is 0.4536 kg).So, 0.4 kilograms is 0.4 * 2.20462 pounds, which is approximately 0.882 pounds.Next, we convert 0.882 pounds to ounces by multiplying by the conversion factor of 16 ounces per pound: 0.882 * 16 = 14.11 ounces (approximately).

Now we have both weights in ounces, and we can see that 14.11 ounces is slightly more than 14 ounces. Therefore, 0.4 kilograms is greater than 14 ounces.

Learn more about Unit Conversion here:

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There are five seniors in a class. For each situation, write how the binomial formula is used to calculate the probability.

a) In how many ways can I choose one senior to represent the group?
b) In how many ways can I choose two seniors to represent the group?
c) In how many ways can I choose three seniors to represent the group?
d) In how many ways can I choose four seniors to represent the group?
e) In how many ways can I choose five seniors to represent the group?

Answers

a) The answer is 5.

nCr = n! / (r! (n - r)!)
n - number of things to be chosen from
r - number of chosen things

There are five seniors in a class: n = 5
I choose one senior: r = 1

nCr = n! / (r! (n - r)!)
5C1 = 5! / (1! (5 - 1)!)
       = (5 * 4 * 3 * 2 * 1) / (1 * 4!)
       = 120 / (4 * 3 * 2 * 1)
       = 120 / 24
       = 5

b) The answer is 10.

nCr = n! / (r! (n - r)!)
n - number of things to be chosen from
r - number of chosen things

There are five seniors in a class: n = 5
I choose two seniors: r = 2

nCr = n! / (r! (n - r)!)
5C2 = 5! / (2! (5 - 2)!)
       = (5 * 4 * 3 * 2 * 1) / ((2 * 1) * 3!)
       = 120 / (2 * (3 * 2 * 1))
       = 120 / (2 * 6)
       = 120 / 12
       = 10


c) The answer is 10.

nCr = n! / (r! (n - r)!)
n - number of things to be chosen from
r - number of chosen things

There are five seniors in a class: n = 5
I choose three seniors: r = 3

nCr = n! / (r! (n - r)!)
5C3 = 5! / (3! (5 - 3)!)
       = (5 * 4 * 3 * 2 * 1) / ((3 * 2 * 1) * 2!)
       = 120 / (6 * (2 * 1))
       = 120 / (6 * 2)
       = 120 / 12
       = 10


d) The answer is 5.

nCr = n! / (r! (n - r)!)
n - number of things to be chosen from
r - number of chosen things

There are five seniors in a class: n = 5
I choose four seniors: r = 4

nCr = n! / (r! (n - r)!)
5C4 = 5! / (4! (5 - 4)!)
       = (5 * 4 * 3 * 2 * 1) / ((4 * 3 * 2 * 1) * 1!)
       = 120 / (24 * 1)
       = 120 / 24
       = 5


e) The answer is 1.

nCr = n! / (r! (n - r)!)
n - number of things to be chosen from
r - number of chosen things

There are five seniors in a class: n = 5
I choose five seniors: r = 5

nCr = n! / (r! (n - r)!)
5C5 = 5! / (5! (5 - 5)!)
       = (5 * 4 * 3 * 2 * 1) / ((5 * 4 * 3 * 2 * 1) * 1!)
       = 120 / (120 * 1)
       = 120 / 120
       = 1

21. The Johnsons framed a family picture to hang on the wall. The perimeter of the frame is 72 inches. Use the formula P = 2 l + 2 w to find the length of the frame if the width is 14 inches. 21. The Johnsons framed a family picture to hang on the wall. The perimeter of the frame is 72 inches. Use the formula P = 2 l + 2 w to find the length of the frame if the width is 14 inches.

Answers

P = 2l + 2w
72 = 2l + 2(14) = 2l + 28
2l = 72 - 28 = 44
l = 44/2 = 22 inches.
So here's the solution to the given problem above.
Given that the perimeter of the frame is 72 inches and the width is 14 inches, we are going to look for the length. The formula for perimeter is 2L + 2W.
So let us substitute the values.
P = 2L + 2w
72 = 2L + 2(14)
72 = 2L + 28
72 -28 = 2L
44 = 2L <<<divide both sides by 2
22 = L
So the length of the picture frame is 22 inches.
To check, 22 in x 2 is 44 inches + 14 x 2 is 28 inches. 28 + 44 is 72 inches.
Hope this answer helps. Thanks for posting your question.

A piece of furniture has a retail price of $3,200 and is on sale at a 30% discount. how much money will be saved if the piece of furniture is purchased at the sale price?

Answers

.30 × 3,200 = 960

$960 will be saved

What is the unit rate of 50.4 feet in 14 years?

Answers

I believe the unit rate is 3.6 feet in 1 year. Hope this helps!! :) Need anything else just ask!

What is the length of the altitude of the equilateral triangle below

Answers

Answer

Find out the altitude of the equilateral triangle .

To proof

By using the trignometric identity.

[tex]tan\theta = \frac{Perpendicular}{base}[/tex]

As shown in the diagram

and putting the values of the angles , base and perpendicular

[tex]tan 60^{\circ} = \frac{a}{4\sqrt{3}}[/tex]

[tex]tan 60^{\circ} = \sqrt{3}[/tex]

solving

[tex]\sqrt{3} = \frac{a}{4\sqrt{3}}[/tex]

[tex]a = \sqrt{3}\times 4 \sqrt{3}[/tex]

As

[tex]\sqrt{3}\times \sqrt{3} = 3[/tex]

put in the above

a = 4 × 3

a = 12 units

The  length of the altitude of the equilateral triangle is 12 units .

Option (F) is correct .

Hence proved






Answer:

F. 12

Step-by-step explanation:

We have been given an image of a triangle and we are asked to find the length of the altitude of our given triangle.

Since we know that altitude of an equilateral triangle splits it into two 30-60-90 triangle.

We will use Pythagoras theorem to solve for the altitude of our given triangle.

[tex]\text{Leg}^2+\text{Leg}^2=\text{Hypotenuse}^2[/tex]

Upon substituting our given values in above formula we will get,

[tex](4\sqrt{3})^2+a^2=(8\sqrt{3})^2[/tex]

[tex]16*3+a^2=64*3[/tex]

[tex]48+a^2=192[/tex]

[tex]48-48+a^2=192-48[/tex]

[tex]a^2=144[/tex]

Upon taking square root of both sides we will get,

[tex]a=\sqrt{144}[/tex]

[tex]a=12[/tex]

Therefore, the length of the altitude of our given equilateral triangle is 12 units and option F is the correct choice.

Please help me
All of the following are equivalent except _____.

2%
0.2
1/50
0.02

Answers

The answer is 0.2
Hope this helps

Find the number of years it would take for $1,200 to earn simple interest of $324 at an annual interest rate of 6% per year.

Answers

years=100x S.I
________
rate x principal

A rectangle's length is 4 feet more than its width. If the area of the rectangle is 396 square feet, what is its width, in feet?

Answers

the width of the rectangle is 18 feet (and the length is 22 ft)
Let the length be l and width be w.
l = w + 4

Area = length x width
396 = (w + 4)w
w² + 4w - 396 = 0
w = 18, w = -22
Negative width not possible so answer discarded.

Width = 18 feet.

9x-3y=3; 3x+8y=-17


I want to know the steps and answers

Answers

9x - 3y=3
(-)9x+16y=-51. (Multiply by 3)

-19x=54

X= -54/19
9x-3y=3
3x+8y=-17

9x-3y=3
9x-3=3y
3y=9x-3
y=x-1
plug it into the other equation

3x-8y=-17
3x - 8(x-1) = -17
-5x + 8 = -17
-5x = -25
x = 5
plug it in again

y = x - 1
y = 5-1
y = 4

Write the trigonometric expression in terms of sine and cosine, and then simplify.
csc2 x − cot2 x

Answers

csc^2x−cot^2x=1/sin^2(x)−cos^2(x)/sin^2(x)

=1−cos^2(x)/sin^2(x)

=sin^2(x)/sin^2(x)

=1
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