Please help me please help me

The number of miles driven that would make the cost of each company the same is 30 miles.

An equation is an expression that shows the relationship between two or more numbers and variables.

Let x represent the number of miles.

For company A:

total cost = 1.5x + 60

For company B:

Total cost = 2.5x + 30

If each company charges the same amount of money:

1.5x + 60 = 2.5x + 30

x = 30 miles

The number of miles driven that would make the cost of each company the same is 30 miles.

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Step-by-step explanation:

The sum of ypur ages is

=F+B

in three years your ages will both grow by 3

= (F+3)+(B+3)

For the difference of ages we know tha B is older than F

=B-F

Larger boxes may hold more or fewer balls than smaller ones. The answer to this question must be a sphere because they have the lowest volume value.

Volume is the quantity of three-dimensional space occupied by a liquid, solid, or gas.. Although there are many different units that can be used to indicate volume, the most common ones are liters, cubic meters, gallons, milliliters, teaspoons, and ounces.

According to the information provided,

One should calculate the volumes of the figures to find out if the larger box will carry more cubes or spheres, and the result that yields the smaller value must be the solution.

    Volume of cube = (edge)³ = (2 in)³

                                 = 8 in³

   Volume of sphere = (4πr³)/3

     where r is the radius and is equal to half of the length of the sides. Substituting,

            Volume of sphere = (4π)(1 in)³ / 3 = 4.19 in³

Since spheres give the smaller value for volume, the answer to this item would have to be SPHERE.

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Answer:

[tex](-4)\x^{\frac{2}{7} } =\sqrt[7]{(-4)^{2} }[/tex]

Step-by-step explanation:

Hope this helps

No extraneous solution.

We have to find the extraneous solution to the equation:

5 - 2[tex]\sqrt{x}[/tex] = 3

Now we have to find the value of x.

2[tex]\sqrt{x}[/tex] = 2

[tex]\sqrt{x}[/tex] = 1

x = 1

Now we have to put the value of x in the equation

5 - 2[tex]\sqrt{1}[/tex] = 3

5 - 2 = 3

3 = 3

Therefore we get no extraneous solution to the equation. x = 1 is the solution of the equation.

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Answer:

it is 104

Step-by-step explanation:

you have to complete 360 degrees for shape so

89-167=256 and 256-360=104

Answer:

The required number is 6. 6+6=12. 6×6=36.

Step-by-step explanation:

The standard form representation of the equation of a circle as given obviously in the task content is; (x + 12)² + (y + 3)² = 4².

It follows from the task content that the standard form representation of the equation of the circle as given in the task content is to be determined.

The given equation is;

137+6y=-y²-x²-24x

By rearrangement, we have;

x² + 24x + y² + 6y + 137 = 0.

Therefore by the use of completing the square method; we have;

(x + 12)² - 144 + (y + 3)² - 9 + 137 = 0.

Hence, the correct standard form representation of the equation is;

(x + 12)² + (y + 3)² = 16

(x + 12)² + (y + 3)² = 4²

Ultimately, the standard form representation of the equation of a circle as given obviously in the task content is; (x + 12)² + (y + 3)² = 4².

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Answer:

a) 2/3p

b) q + 1/2p

Step-by-step explanation:

ΔT= 313.5k-240.3k = 73.2k.

Temperature is the measure of hotness or coldness expressed in terms of any of several scales, including Fahrenheit and Celsius. Temperature indicates the direction in which heat energy will spontaneously flow—i.e., from a hotter body (one at a higher temperature) to a colder body (one at a lower temperature).Temperature is the measure of hotness or coldness expressed in terms of any of several scales, including Fahrenheit and Celsius. Temperature indicates the direction in which heat energy will spontaneously flow—i.e., from a hotter body (one at a higher temperature) to a colder body (one at a lower temperature).Temperature is the measure of hotness or coldness expressed in terms of any of several scales, including Fahrenheit and Celsius. Temperature indicates the direction in which heat energy will spontaneously flow—i.e., from a hotter body (one at a higher temperature) to a colder body (one at a lower temperature).

One unit increase in the Kelvin scale is the same as a one-degree increase in the Celsius scale. The only difference between these two scales is zero points of the thermometer.

ΔT= highest T° in k - lowest T° in k

40.5°c+273= 313.5k

-32.7°c+273= 240.3k

therefore the difference will be 73.2k

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Answer:

Step-by-step explanation:

I am assuming you mean 20% of the world's population lives in South America.

That is 1/5.

1 /35 of world's population live in Brazil so the fraction of Brazilians in South America

= 1/35 / 1/5

= 5/35

= 1/7

Where Melissa went wrong was that she should have divided it into 3 pieces that were 4 in. long.

We are given;

Length of Ribbon = 12 inches

Length of each bookmark = 4 inches

Now, since she is making bookmarks from the 12 inches length of ribbon, from online sources it is seen that she divided into 4 parts of 4 inches each.

Thus, where Melissa went wrong was that she should have divided it into 3 pieces that were 4 in. long.

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Solving a system of equations we can see that he repaired 15 of the fiberglass bathroom sinks and 8 of the fiberglass tub enclosures

Let's define the two variables:

x = number of fiberglass bathrooms repaired.

y = number of fiberglass tub enclosures repaired.

Then we can write the system of equations:

x + y = 23

x*$12 + y*$59 = $652

Isolating x on the first one, we get:

x = 23 - y

Replacing that in the other equation:

(23 - y)*$12 + y*$59 = $652

23*$12 + y*($59 - $12) = $652

23*$12 + y*$47 = $652

y = ($652 - 23*$12)/$47 = 8

Then:

x = 23 - y = 23 - 8 = 15

So, he repaired 15 of the fiberglass bathroom sinks and 8 of the fiberglass tub enclosures

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The  length of JK = 3√3

Trigonometry is a branch of mathematics that studies relationships between the sides and angles of triangles.

Given:

angle = 60

JL = 6√3

JK= x

Now, using trigonometry

cos [tex]\theta[/tex] = B/ H

cos 60 = x/ 6√3

1/2= x/ 6√3

x= 6√3/2

x= 3√3

Hence, the length of JK = 3√3

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16.  Valid

Reason: congruency can be represented by the symbol ≅ hence  the statement still reads <1 and <2 are congruent.

17. Invalid

Reason: A rectangle also has four right angles, It is only a square when all the sides are equal.

18. Valid

Reason: congruency can be represented by the symbol ≅ hence the statement still reads <JKM and <MKL are congruent.

19. Valid

Reason: The conclusion of the battery dying is in support with the premise given which is, leaving the light on when the car is off.

20.Valid

Reason: The conclusion, Dante obtained a part time job is in line with the premise that obtaining a pert time job, is a way to afford a car payment

21. Valid

Reason: The premise which has that selling 75% of the prom tickets will make the prom hold at country club is fulfilled, hence the prom will be held at the country club

An argument is valid when the premises or conditions of the argument are all true. When the conclusion supports the premises then conclusion is valid.

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The actual distance that is represented by 4 centimeters on the map is 16 kilometers

An equation is an expression that shows the relationship between two or more numbers and variables.

Let us assume that the scale used on the map is:

1 cm = 4 km

Hence, for 4 cm represented on the map:

Actual distance = 4 cm * 4 km per 1 cm = 16 km

The actual distance that is represented by 4 centimeters on the map is 16 kilometers

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Answer:

A. & B.

Step-by-step explanation:

Square root of 4 is 2, and the square root of 9 is 3. These are rational, and adding fractions keeps them rational.

But the square root of 2 is irrational, and subtracting or dividing will not make them rational.

Hope this helps! :)

Answer:

The record time that was achieved in 1970 was 5.78 seconds.

Step-by-step explanation:

It is given that the first one-mile speed record was made by Henry Ford in 1904 when he drove the mile in 39.40 seconds.

It is further stated that this time was 33.62 s slower than the record achieved in 1970.

Now, let us consider the first statement;

Henry Ford covered one mile in time (1904) = 39.40 sec

Now, let us consider the second statement given;

Time taken by Henry Ford (1940) was slower than the time someone else achieved in one miles by = 33.62 sec

So, to calculate the time taken in 1970;

=> 39.40 - 33.62 sec

=> 5.78 sec

Therefore, the record time that was achieved in 1970 was 5.78 seconds.

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Answer:

125 small boxes

Step-by-step explanation:

[tex]n = { \tt{ \frac{volume \: of \: big \: box}{volume \: of \: small \: boxes} }} \\ \\ { \tt{n = \frac{(20 \times 10 \times 5)}{(2 \times 2 \times 2)} }} \\ \\ { \tt{n = \frac{5 \times 5 \times 5}{1} }} \\ \\ { \tt{n = 5 {}^{3} }} \\ \\ { \tt{n = 125}}[/tex]

Answer:

26s-45

Step-by-step explanation:

This is according to a app that tells you the answer to the problem and this is right the app is always right i use it all the time

The missing value of the inverse variation is 8

The inverse variation property states that , whenever the product of values of two quantities is a constant value then there is opposite variation between these two corresponding values. Or we can also say that if the productive nature of two corresponding values is constant, then one quantity is inversely varies with second quantity.

Let say if x and y are two values and k is a constant value, then

According to inverse variation

k = xy or y = k/x

In the given question,

Take the order pair (4,6)

As it is an inverse variation, we can substitute it

y=k/x  

6=k/4

K=24

Now find the inverse variation equation

Y=k/x

Also, k=24

Solve this equation for the second pair (x,3)

As, y=24/x

    x = 24/3 = 8

Therefore, missing value is 8

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The exponential function that would be a good model for the bouncing ball is [ 60 * [tex]0.6^{x}[/tex]] .

Given : height = 5 feet

            rebound on first bounce = 35 inches

            rebound on second bounce = 21.5 inches

To find :  exponential function that would be a good model for the                      bouncing ball

Calculation :

at x = 0

ht. = 5 feet = 60 inches

at x = 1

ht. = 35 inches

at x = 2

ht. = 21.5 inches

( 21. 5 / 35 ) * 100 = 60 % approx.

Since , the ht. rebounded is about 60% of the previous ht. rebounded , the exponential function that would be used would be of the form y = a * ( [tex]b^{x}[/tex] ) .

Therefore , the exponential function that would be a good model for the bouncing ball is [ 60 * [tex]0.6^{x}[/tex]] .

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According to the question, to write the solution for the logarithmic function, the concept of indices is also needed.

Therefore, the given expression is [tex]ln2+ln3=2[/tex]

The values get multiplied in addition. Therefore, the above expression can be written as:

Expression = [tex]ln(6)=2[/tex]

Using logarithmic definition, we can write:

[tex]6 = e^{2}\\e = \sqrt{6},-\sqrt{6}[/tex]

The solution for the given expression is [tex]e = \sqrt{6},-\sqrt{6}[/tex]

What is logarithmic function?

In terms of mathematics, the logarithmic function can be defined as the inverse of exponential function. It is always on the positive side of the ordinate axis.

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Answer: do i remember how to do this... no

Step-by-step explanation:

We need to know about logarithm to solve this problem. The greatest integer that is less than log 0.08 is -2.

Logarithm is the exponent which is raised to a base to get a certain number. There are a few rules of logarithm, log a + log b can be written as log ab, log a- log b can be written as log a/b, when the number for which the logarithm is calculated is raised to a power, then the power can be directly multiplied to the log itself. Logarithms when written as log has a base of 10 and the logarithm of a number same as its base is always 1, log of 1 is zero.

log 0.08= log 8/100= log 8- log 100 = [tex]log 2^{3} -log 10^{2}[/tex]

=3 log2 -2log10=3x0.30-2=0.9-2=-1.1

Therefore the greatest integer that is less than the value of log 0.08 is -2.

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The inverse of the function y=5x+7 is y = (x-7)/5.

So,

All we have to do to find the inverse of an equation is switch the variables x and y.

Now, solve for y as follows:

Therefore,  the inverse of the function y=5x+7 is y = (x-7)/5.

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