Seven less than the product of a number and -4 is 41

Answer:

Nine point two hundred two

Answer and Step-by-step explanation:

The equation would be y = 5x + 75

Now, plug in 1, 2, 6, and 12 for x (which represents the hours) and solve for y (which represents the price).

1 hour - $80

2 hours - $85

6 hours - $105

12 hours - $135

Answer: I say Mike because when you multiply it you end up getting 4 for Mike

Step-by-step explanation:

Answer:

pete ran the furthest at 4 miles

Step-by-step explanation:

pete = 4

jan=3.33

cissy=2.1

mike=2.4

Answer:

b. better; high

Step-by-step explanation:

Answer" it is -34 because I added my x and my y

Step-by-step explain;

Answer:

Bro it's right they are wrong unless you are not giving all the information unless what they wanted you to do is do 12 + 10 as the answer

Step-by-step explanation:

Answer:

7.5 inch

Step-by-step explanation:

[tex]{s}^{3} = 421.875 \\ s = \sqrt[3]{421.875} \\ s = 7.5 \: inch[/tex]

Answer:

320 mph

Step-by-step explanation:

200/5=40

40x8=320

A ratio is an ordered pair of numbers a and b, written a / b where b does not equal 0. The van travelled 320 miles in 8 hours.

A ratio is an ordered pair of numbers a and b, written a / b where b does not equal 0.

Given,

if a van traveled 200 miles in 5 hours

We need to find how long it travels in 8 hours.

Let x be the distance to travel in eight hours.

Let us make a equation

200/5=x/8

Apply cross multiplication

1600=5x

Divide both sides by 5

1600/5=x

320=x

Hence the van travelled 320 miles in 8 hours.

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Answer: Choice D

(2,2) is the solution to line A, but not to line B

==========================================================

Explanation:

Let's find the equation of line A

First we need the slope

m = (y2-y1)/(x2-x1)

m = (6-0)/(0-3)

m = 6/(-3)

m = -2

Since the point (0,6) is on line A, we know b = 6 is the y intercept.

The equation of line A is y = -2x+6.

-----------------------------

Let's find the equation for line B

So we need the slope

m = (y2-y1)/(x2-x1)

m = (5-0)/(5-0)

m = 5/5

m = 1

The y intercept is b = 0 since the line goes through (0,0)

The equation of line B is y = 5x+0 which is the same as y = 5x.

------------------------------

Our system of equations is

[tex]\begin{cases}y = -2x+6\\y = 5x\end{cases}[/tex]

We can see that plugging x = 0 into line A's equation leads to y = 6. So (0,6) is on line A. However, the point (0,6) is not on line B because plugging x = 0 leads to y = 0.

This allows us to rule out choices A and B.

--------------------------------

Let's see what happens when we plug in x = 2 to line A

y = -2x+6

y = -2*2+6

y = -4+6

y = 2

The point (2,2) is on line A

Now let's do the same for line B

y = 5x

y = 5*2

y = 10

The point (2,10) is on line B meaning that (2,2) is not on line B.

We can rule out choice C and conclude that choice D is the final answer.

Side note: Choice D should read "(2,2) is a solution" instead of "(2,2) is the solution" since there are infinitely many solutions on any given line. So another solution for example would be (0,6).

Answer:

f(x)= (x - 1)^2+2 = 1

Step-by-step explanation:

Write F ( x ) = ( x − 1 ) 2 + 2 as an equation.

y=(x−1)2+2

Use the vertex form, y = a ( x − h )^2 + k , to determine the values of a , h , and k .

a = 1

h = 1

k = 2

Since the value of a is positive, the parabola opens up. Opens Up

Find the vertex ( h , k ) .

(1,2)

Find p , the distance from the vertex to the focus.

[tex]\frac{1}{4}[/tex]

( 1, [tex]\frac{9}{4}[/tex] )

Find the axis of symmetry by finding the line that passes through the vertex and the focus.

x = 1

I hope this helps.

Answer:

-10.5 + 4.5 = -6

So decrease of 6

Answer:

1.32

Step-by-step explanation:

we have the known,

2.13 km * 0.6214 miles = 1.323521 or 1.32 miles

                      1 km  

Answer:

y= -2 + 4

Step-by-step explanation:

Answer: y = -2x - 4 is the actual answer

Step-by-step explanation: The other person is wrong i did that answer and it was wrong.

Answer:

C

Step-by-step explanation:

The easiest way to solve these problems is usually to just look at the x values and see if any of them appear more than once. If you have 2 or more of the same x value in one set, it isn't a function. If every x value is different, it is a function

Answer:

x = -7

Step-by-step explanation:

6/x + 8/x + 5 =3

5x + 14 /x =3

Step 1: Multiply both sides by x.

5x+14=3x

5x+14−3x=3x−3x(Subtract 3x from both sides)

2x+14=0

2x+14−14=0−14(Subtract 14 from both sides)

2x=−14

2x

2

=

−14

2

(Divide both sides by 2)

x=−7

Check answers. (Plug them in to make sure they work.)

x=−7(Works in original equation)

Answer:

-7

Step-by-step explanation:

Solve for  

x

by cross multiplying.

x

=

29

Answer:  34

(2)(2)(1) + (5)(-3)(-2) = 34

    4     +      30       = 34

Answer:

2·2·1+5·(-3)·(-2)= 34

Step-by-step explanation:

Answer:

65

Step-by-step explanation:

no step by step

Answer: 45

Step-by-step explanation:

31.50/3.5=9 This is how much it cost per pound.

9(5)=45 This shows how much it cost for 5 pounds with each pound costing $9.

Answer:

dshhsbdbddjdkndkdkdkdrkrjjrrjrjhrbdbs

Answer:

1/3 or 0.3 (repeating decimal)

Step-by-step explanation:

The subtraction the fractions gives 1/3.

The fractions include two parts, numerator and denominator.

Numerator: It is the upper part of the fraction, that represents the sections of the fraction.

Denominator: It is the lower or bottom part that represents the total parts in which the fraction is divided.

Given that are two fractions 1/2 and 1/6, we need to subtract them,

Firstly, equating the denominators,

1/2 = 6/12

1/6 = 2/12

Therefore,

1/2 - 1/6 = 6/12 - 2/12

= (6-2)/12

= 4/12

= 1/3

Hence on subtracting the fractions we get 1/3.

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Answer:

119.166667

Step-by-step explanation:

Did math on calculator.

Answer:

119.166666667

Step-by-step explanation:

                                                   [tex]\huge\boxed{-2^o}[/tex]

___________________________________________________________

                                              [tex]\boxed{Explanation}[/tex]

The red goes past [tex]-5^o[/tex] and if you count the lines it goes up to [tex]-2^o[/tex].

___________________________________________________________

Hope it helped!

May i have brainliest?

[tex]\huge\boxed{Thanks,\;Plip.}[/tex]

Answer:6

Step-by-step explanation:

Answer:

Yes the table shows a probability distribution

The mean is [tex]E(X) = 1.636 [/tex]

The  standard deviation is   [tex]\sigma = 0.845 [/tex]

Step-by-step explanation:

From the question we are told that

The data given is

x 0 1 2 3

P(x) 0.087 0.344 0.415 0.154

Generally we can evaluate [tex]P(x) * x[/tex] as

[tex]P(x) * x[/tex] 0 (1 * 0.344 ) (2 * 0.415) (3 * 0.154 )

=> [tex]P(x) * x[/tex] 0 0.344 0.830 0.462

Generally we can evaluate [tex]P(x) * x^2 [/tex] as

[tex]P(x) * x^2 [/tex] 0 [tex ](1^2 * 0.344 )[/tex] [tex ](2^2 * 0.415)[/tex] [tex ](3^2 * 0.154 )[/tex]

=> [tex]P(x) * x^2 [/tex] 0 [tex] 0.344 [/tex] [tex ]1.66 [/tex] [tex]1.386[/tex]

Generally the mean is mathematically represented as

[tex]E(X) = \sum [x* P(x)][/tex]

[tex]E(X) = 0 + 0.344+ 0.830+0.462 [/tex]

[tex]E(X) = 1.636 [/tex]

Generally the standard deviation is mathematically represented as

[tex]\sigma = \sqrt{V(X)}[/tex]

Here [tex]V(X)[/tex] is the variance which is mathematically represented as

[tex]V(X) = [E(X^2) ]- [E(X)]^2[/tex]

Here

[tex]E(X^2) = \sum [x^2 * P(x)][/tex]

[tex]E(X) =0 +0.344+1.66+1.386 [/tex]

[tex]E(X) = 3.3900 [/tex]

So

[tex]V(X) = 3.3900 - [1.636]^2[/tex]

[tex]V(X) = 3.3900 - 2.6764[/tex]

[tex]V(X) = 0.7136[/tex]

So

[tex]\sigma = \sqrt{0.7136}[/tex]

[tex]\sigma = 0.845 [/tex]

Answer Choices:

A.120 ×0.75 ×1.1

B.120×0.25×0.9

C.120× 0.25× 1.1

D.120× 0.75 ×0.9

Answer

A.)

(117·0.25)=n

117-n=87.75·0.0875=m

87.75+m=95.43

Step-by-step explanation:

117-25%=87.75+8.75%=95.43

Answer:

19 miles

Step-by-step explanation:

If they had to ride 342 split by 18 horses, divide 342 by 18 to get 19

Answer:

They rode 19 miles before replacing each horse.

Step-by-step explanation:

This problem can be represented as:

[tex]\frac{342 miles}{18 horses}[/tex]

To find the number of miles per horse simply divide 342 by 18. You will get your answer of:

[tex]\frac{19 miles}{1 horse}[/tex]

Answer:

its 13 if i saw the numbers right

Step-by-step explanation:

evaluate then you get the below

1-(-4)x(-3)+12/(-6)

___________

-1

divide and get;

-(1-(4)x(-3)+12/(6))

remove parentheses and divide

-(1+4x(-3)-2)

multiply and get

-(1-12-2)

calculate

-(-13)

remove "()"

and you get 13