Maria has lunch at a restaurant for Bill it was $12.25 and Mariah wants to leave a 20% tip what is the reasonable estimate for the amount she should leave for the tip

Answer:

2

Step-by-step explanation:

Answer:

Where is the equation.

Step-by-step explanation:

Answer:

[tex]5x^2-5x-6x+6[/tex]

Step-by-step explanation:

[tex]5x^2-11x+6\\5x^2-5x-6x+6[/tex]

we need to factorize it so the X-term expanded should satisfy two conditions

1) +5 times +6 should be +30

2) add or subtract any two numbers which multiply and give -11

so here -5 times -6 gives +30 and -5 added to -6 equals -11

Answer:

x = -4 (and btw that is so cuteee)

Step-by-step explanation:

Points: (-4,-1) and (-4,-5)

m = y2 - y1/x2 - x1

m = (-5) - (-1)/(-4) - (-4)

m = -5 + 1/-4 + 4

m = -4/0

x = - 4

x not y ;w;

Answer:

Tamara should substitute k = 30 into the equation 39 + 2 k = 69

Step-by-step explanation:

or you can do 69-39=30 so k=30

Answer:

A, C, F

Step-by-step explanation:

just trust me bruv.

Answer:

g=1.8l

hope this helps

Answer:

the ratio is 4/5

Step-by-step explanation:

27 pennies all together. just divide the number of each group by the same thing till you no longer get a whole number. like 3÷12 and 3÷15. Do it till you get the smallest whole number for each

Answer:

49

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Algebra I

Step-by-step explanation:

Step 1: Define

x = 3, f(3) = 27

x = 5, f(5) = 125

Step 2: Find Rate

Answer:

49

Step-by-step explanation:

Ap3x

Answer:

(x+3)=10+2

x=12-3

x=9

Answer:

-2x-6=-10

-2x=-10+6

-2x=-4

x=-4/-2

x=2

Answer:

8 to 15

Step-by-step explanation:

2 feet times 12 inches is 24 and it is to 45 inches. You then need to simplify 24 and 45 by 3 to get 8 and 15 and to get the ratio 8 to 15.

Hope this helps!

Answer:

m= -1

Step-by-step explanation:

slope is -1

Answer:    The percent error is -2.1352% of Jocelyn's estimate.

Answer:

(-1,-5)(0,-8)(1,-9)(2,-8)(3,-5)

Step-by-step explanation:

Answer:

3 is the right one

Step-by-step explanation:

The first step in graphing a linear inequality is to graph the linear equality. The equation -x + 4y = -8 is equivalent to 4y = x - 8, which is equivalent to [tex]y = \frac{1}{4}x - 2[/tex]. This is the equation for the line in slope-intercept form, so the line will have a slope of 1/4 and a y-intercept of -2 (see the first image). Notice that the line is solid, rather than dotted. This represents that points on the line are included in the solution, because the inequality sign is ≥, which is not a strict equality (< or >).

Next, we need to figure out which side to shade. To do so, simply pick any point (I like to use the point (0,0) because it makes the calculations easy) and see whether it satisfies the inequality. If it does, shade the side with that point, and if not, shade the opposite side of the graph.

Here we see that the point (0,0) does satisfy the inequality, since -(0) + 4(0) is 0, and 0 ≥ -8, so the top half of the graph should be shaded (see the second image).

Answer:

The time that the rocket will hit the ground will be:

Step-by-step explanation:

Given the expression

[tex]f\left(x\right)\:=-16x^2+272x+110[/tex]

Here:

We know that when the rocket will hit the ground, the height will get y = 0

i.e.

[tex]0\:=-16x^2+272x+110[/tex]

solving for x to determine the time that the rocket takes when it will hit the ground.

so

[tex]-16x^2+272x+110=0[/tex]

subtract 110 from both sides

[tex]-16x^2+272x+110-110=0-110[/tex]

[tex]-16x^2+272x=-110[/tex]

Divide both sides by -16

[tex]\frac{-16x^2+272x}{-16}=\frac{-110}{-16}[/tex]

[tex]x^2-17x=\frac{55}{8}[/tex]

[tex]\mathrm{Add\:}\left(-\frac{17}{2}\right)^2\mathrm{\:to\:both\:sides}[/tex]

[tex]x^2-17x+\left(-\frac{17}{2}\right)^2=\frac{55}{8}+\left(-\frac{17}{2}\right)^2[/tex]

[tex]x^2-17x+\left(-\frac{17}{2}\right)^2=\frac{633}{8}[/tex]

[tex]\left(x-\frac{17}{2}\right)^2=\frac{633}{8}[/tex]

[tex]\mathrm{For\:}f^2\left(x\right)=a\mathrm{\:the\:solutions\:are\:}f\left(x\right)=\sqrt{a},\:-\sqrt{a}[/tex]

solving

[tex]x-\frac{17}{2}=\sqrt{\frac{633}{8}}[/tex]

[tex]x=\frac{\sqrt{1266}}{4}+\frac{17}{2}[/tex]

x = 17.40 seconds

also solving

[tex]x-\frac{17}{2}=-\sqrt{\frac{633}{8}}[/tex]

[tex]x=-\frac{\sqrt{1266}}{4}+\frac{17}{2}[/tex]

x = -0.40 seconds

As time can not be negative.

Thus, the value of x = 17.40 seconds

Therefore, the time that the rocket will hit the ground will be:

Answer:

it's 8

Step-by-step explanation:

The solution of the equation is y=8/3

Let we have to add two fractions as:

[tex]\dfrac{a_1}{b_1} + \dfrac{a_2}{b_2}[/tex]

Then we will find Lowest Common Multiple (LCM) of   b_1 and

b_2. That will help to make the denominators same.

Once the denominators become same, the numerators can add up directly, giving us the final result of addition.

Given;

y-5/3=1

Solution;

    y=5/3+1

  or   y=5/3+1/1

  taking LCM of denominators;

           y=(5+3)/3

            y=8/3

Learn more about fraction addition here:

https://brainly.com/question/17544795

#SPJ2

Answer:

6,802

Step-by-step explanation:

Answer:

dont u have the answer

Step-by-step explanation:

Answer:

The answer should be 100

Step-by-step explanation:

360-80-80=200

200/2=100

Hello! How are you today?

Answer:

red

Step-by-step explanation:

Answer:

red

Step-by-step explanation:

The y-intercept is -2 and the slope is 3/1. so you start on the y-axis at -2 and move up 3 to the right one.

Answer:

slope:2

(0,2)

Step-by-step explanation:

Answer:

Time      distance      miles per hour

1              55                55

1/2          27.5              55

1 1/2       82.55            55

2             110                55

Answer:

4. Domain: -3,-2,-1,0,1, and 2. Range: -2,0,2,4,2,0. It is a function

5. Domain: -3,-1,-1,1, 2,3 Range: 0,-1,2,0,-3,3. Not a function.

Step-by-step explanation:

Number four is a function because there is one x to one y but for five there are two x's to one y.

Answer:

8 hours

Step-by-step explanation:

70-10

60÷7.50= 8 hours

Answer:

The number of computers in country A and country B is 78,650,000 and 240,600,000 respectively

Step-by-step explanation:

The computation of the number of computer for each country is as follows:

Let us assume the computer in country B is x

So, in country A it is x + 161,950,000

And, the sum of them is

x + x + 161,950,000 = 319,250,000

2x + 161,950,000 = 319,250,000

2x = 319,250,000 - 161,950,000

2x = 157,300,000

x = 78,650,000

So, the country B, the computers are 78,650,000

And, in country A it is 78,650,000 + 161,950,000 = 240,600,000

Answer:

I believe it is 4 billion

Step-by-step explanation:

Hope I helped!

Answer:

(x+4)

Step-by-step explanation: