Please help (Timed)!!!!!!!!!!!!!!

Answer:

y = 2x+8

Step-by-Step Explanation:

The equation should be in the form of y=mx+b

So you already know it's not A. Also you already know it's not D because the line goes at an angle, if "m"(slope) was 0 then the line would be straight horizontal or straight vertical. So that leaves B and C. And finally you know it's not B because the line is going in the positive direction not negative, so the slope has to be positive, also "b" in the equation is the y-intercept, and that's where the line intersects with the y-axis, and you can see that the line intersects at 8 on the graph. Therefore, the answer is C, y=2x+8

Hope this helps!! :)

Answer:

C

Step-by-step explanation:

You have the stand alone value of 17.5 for parking. You can subtract this from the total as shown in the equation. If each admission costs $24 then it would be 24x for the remainder. Therefore you can write the equation as 113.5 - 17.5 = 24x.

Answer:

The third pig is only 2/3 of the way done with his strawberry house, the fourth pig builds a house out of sticks he’s only 2/3 of the way there, the last pig builds a house out of bricks he’s only 2/3 of the way there.

Step-by-step explanation:

Answer:

y=2x

Step-by-step explanation:

this is because if you divide 120 by 60 you get 2

Step-by-step explanation:

an = 3* (sqrt 2)^(n-1)   = 192    solve for n

           sqrt(2)^(n-1) = 64

                  n-1 =  log 64 / log (sqrt 2) = 12

                 n = 13  

The value of t = 20

This is the given Equation:

t - 3 = 17

Now we have to take (-3) from the left to right side to determine the value of t.

It will change the sign of 3.

t = 17 + 3

t = 20

So, the value of 't' in the given Equation is 20.

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Answer:

The total amount of money needed to pay off the car after 6 years would be $11,800.

Step-by-step explanation:

Write down the facts:

Interest = $10,000 * 0.03 * 6

This being $10,000, 3% interest rate and over 6 years.

Interest= $1800

This amount we found is the additional amount (interest) you have to pay with the $10,000. Now, to find the total amound we add the interest and $10,000.

Total amount = 10,000 + $1800

Total amount = $11,800

Therefore the total amount paid over 6 years (including the 3% interest rate) would be $11,800. I hope this helped!!!

$11800 is the answer

Answer:

GCF of 18 and 3 is 3

Step-by-step explanation:

use GCF to factor 18+3

I wasn't fully sure on this question sorry :(

Step-by-step explanation for Surface Area:

So, to find the surface area, you use the formula: \(A=lw+l\sqrt{(\frac{w}{2})^2 +h^2 } +w\sqrt{(\frac{l}{2})^2 +h^2 }\)

I'll explain what each part means and why they are like that. (btw, it would help you more if you looked at a rectangular prism I added while you read the explanation :) )

First of all, you do lw because that is the base of the right rectangular pyramid (since you're finding the surface area, you need to find the area of all the surfaces on the pyramid)

You add \(l\sqrt{(\frac{w}{2})^2 +h^2 }\) because now you're trying to find the triangular side with the length. You multiply the length, because that's how wide the "triangle" is. You do the square root because of the pythagorean theorem (since you're using the hypotenuse times the length to find that side). The width is divided by two, because as you can see in my attachments, that's how far away the height is from the length (if you look at the base, see where the height line drops in comparison to the length).  (look at my second screenshot)

You add \(w\sqrt{(\frac{l}{2})^2 +h^2 }\) for the same reason, except dealing with the width. You're finding the side with the width. You multiply the width by the hypotenuse of the right triangle (look at the third screenshot i attached). The length is divided by two because that's the distance between the bottom of the height line to the w.

I do believe that this should explain the meaning behind each piece of the formula (I'm not sure this is what you asked for lol but it does make understanding it a little easier, I think). To get the answer, you just substitute each variable with those values. So...

\(A=(7)(5)+(7)\sqrt{(\frac{(5)}{2})^2 +(12)^2 } +(5)\sqrt{(\frac{(7)}{2})^2 +(12)^2 }\)

A ≈ 183.3

As for the Volume:

\(V=\frac{lwh}{3}\). I'm not 100% on why it's divided by three, but with any volume, you're always going to end up with an answer that is in cubed units. So that explains the three variables in the numerator. I'd like to think the three just has to do with the three variables, but I don't know. Give me the points if you'd like? I don't think this is a proper explanation though.

Good luck!

Answer:

volume = 140 cubic units

area = 183.3 square units

Step-by-step explanation:

I am going to assume we are dealing with a pyramid with a rectangular base. The rectangular base has length 7 units, width 5 units, and height 12 units.

Let's do the volume first since it's simpler.

Volume:

volume of pyramid = (1/3) * (area of base) * height

volume = (1/3) * 7 units * 5 units * 12 units

volume = 140 cubic units

Now we deal with the surface area.

The total surface area of a rectangular pyramid is the sum of the lateral area and the area of the base. The area of the base is the area of a rectangle. The lateral area is the sum of the areas of the 4 triangular sides. Each two opposite sides are congruent. For the base, we have the length and width of the rectangular base, so we can find the area easily.

For the 4 triangular sides, we need to find the the height of the triangles. Since each pair of opposite faces is congruent, we have two triangles we need to find the heights for. I'll call the heights "p" and "q". We use the Pythagorean theorem to find the heights of the triangular faces.

a^2 + b^2 = c^2

(3.5)^2 + (12)^2 = p^2

p^2 = 156.25

p = 12.5

(2.5)^2 + (12)^2 = q^2

q^2 = 150.25

q = 12.25765

Area of triangle = (1/2) * base * height

For two triangles, the base is 5 and the height is 12.5.

For the other two triangles, the base is 7 and the height is 12.25765.

total surface area = area of base + 2(area of triangle with base 5) + 2(area of triangle with base 7)

A = LW + 2(1/2)(base)(height) + 2(1/2)(base)(height)

A = 7(5) + 2(1/2)(5)(12.5) + 2(1/2)(7)(12.25765)

A = 183.3 square units

Answer:

D

Step-by-step explanation:

just multiply the three over four inches with seven and a half to get the accurate measurements

Answer:

6t+4

Step-by-step explanation:

9t-3t+4=6t+4

Combine the like terms 9t and -3t

Hope this helps!

________________________________

Hey!!

Solution,

9t-3t+4

= 6t+4

Here,9t and 3 t are like terms. so we have subtracted 3t from 9t.

Hope it helps

Good luck on your assignment

___________________________________

Answer:

The first one, second one, third one, and last one

Step-by-step explanation:

Please give brainliet!

Answer:

I. Length: 43 inches

II. Width: 15 inches

III. Height: 5.5 inches

Step-by-step explanation:

To determine the dimensions of the new box, we need to calculate the space required for a dozen donuts lying flat, including the additional space of one inch.

Since the diameter of each donut is 3.5 inches, the width of the box must be greater than or equal to 3.5 x 4 = 14 inches to accommodate four donuts placed side by side.

Similarly, since the height of each donut is 1.5 inches, the height of the box must be greater than or equal to 1.5 x 3 = 4.5 inches to accommodate three donuts stacked on top of each other.

Finally, since the length of each donut is 3.5 inches, the length of the box must be greater than or equal to 3.5 x 12 = 42 inches to accommodate a dozen donuts lying flat.

Adding one inch to each dimension gives us a final box size of:

Length = 42 + 1 = 43 inches

Width = 14 + 1 = 15 inches

Height = 4.5 + 1 = 5.5 inches

Therefore, the dimensions of the new box should be:

I. Length: 43 inches

II. Width: 15 inches

III. Height: 5.5 inches

Answer: 3 is 0 and 4 is unidentified

Step-by-step explanation:

The horizontal line has a slope of zero, think of it as you can walk on it or not. Since four has all X's as eight that creates a vertical slope which cannot be walked on.

Thanks for the opportunity to help you! :)

1. m/slope=6/1 or 6. Use the first two points for the formula y₂-y₁/x₂-x₁. B

2.m=-4 or -12/3. Use the slope formula and substitute the points. G

3. m=zero. I

4.m=undefined. A

Answer:

the answer is 6 because when x=7 on the line it is also equal to 6 on the y axis

Answer:

m = 111.5

j = 35.5

I really hope this is right ;(

Step-by-step explanation:

m = 3j + 5

j + 3j + 5 = 147
4j + 5 = 147
4j = 142
142 ÷ 4 = 35.5

So j = 35.5

3(35.5) + 5 = 111.5

Answer:

Y= mx + b

so Y = 1/3x + 2

just substitute

Answer:

a. 15mph

b. 10mph

c. 12mph

Step-by-step explanation:

a. 30/2=15

b. 30/3=10

c. 30+30=60

60/5=12

i think it's right, hope that helped

The function for the points are  y = -15x - 5

From the information given, we have that;

The points are;

(1/3,0) (-2 3/4,0) and (0,-5)

Using the point-slope form of a linear equation, we have;

y - y₁ = m(x - x₁)

Such that;

Using (1/3, 0) and (0, -5), we have that the slope is;

m = (0 - (-5))/0 -1/3)

expand the bracket

= 5 / (-1/3)

= -15

Now, take any of the given points and substitute the values

Using (1/3, 0), we get;

y - 0 = -15(x - 1/3).

y = -15x - 5.

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The function for the points solved by  (1/3,0) (-2 3/4,0) and (0,-5) solved by point slope form is \(a=-15b-5\)

We have given the points:

(1/3,0) (-2 3/4,0) and (0,-5)

Using the formula of linear equation

\(a-\)\(a_{1}\)\(=x[b-b_{1}]\)                                                          

Where we will consider (1/3,0) = \(a-a_{1}\) and (0,-5) = \(b-b_{1}\)

that is 1/3 = \(a\), 0 = \(a_{1}\) and

0 = \(b\), -5 = \(b_{1}\)

\(x\) refers to the slope of line (take any variable)

Now for finding the value of \(x\),

\(x=a-a_{1}/b-b_{1}\)

inserting the values,

\(x=[0-[-5]]/[0-1/3]\\x= -15\)

Substitute the value of \(x\) in the equation

\(a-0=-15[b-1/3]\)

By simplifying the equation, we get

\(a=-15b-5\)

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Answer:

22 square units.

Step-by-step explanation:

The area is the total space taken up by a flat (2-D) surface or shape. The area is always measured in square units.

To solve for the area of the figure, we can split the figure into 3 shapes. (2 triangles and a rectangle)

An expression you can use to solve for the area of a rectangle and the area of a triangle is:

Solving for the triangle on the left:

Solving what is in the parenthesis:

Therefore, the triangle on the left has an area of 6 square units.

To solve for the rectangle in the center, we can use this expression:

Therefore, the area of the rectangle in the center is 12 square units.

Solving for the triangle on the right:

Solving what is in the parenthesis:

Therefore, the area of the triangle on the right is 4 square units.

Adding all of the areas together:

Therefore, the total area of the shape is 22 square units.

Answer:

Step-by-step explanation: 17 spins and 3 are blue so 3/17 is the probability written as a fraction in it's simplest form

Answer:

55/4

Explanation:

Let's solve your equation step-by-step.

4 /5x−8=3

Step 1: Add 8 to both sides.

4 /5x−8+8=3+8

4 /5 x = 11

Step 2: Multiply both sides by 5/4.

( 5 /4 )*( 4 /5 x)=( 5 /4 )*(11)

x=  55/4

Answer:

x=

55 /4

Hope that helps :)

Answer:

first one, [2.5, 3]

Step-by-step explanation:

2a + 3 \(\geq\) 8

2a \(\geq\) 8 - 3

a \(\geq\) 5/2

a \(\geq\) 2.5

if we put a =2 .5 in the equation

2a +3 \(\geq\) 8

2(2.5) + 3 \(\geq\) 8

5+3 \(\geq\) 8

8 \(\geq\) 8

which is true.

if we put a = 3 in the equation

2a + 3 \(\geq\) 8

2(3) +3 \(\geq\) 8

6+3 \(\geq\) 8

9 \(\geq\) 8

which is also true.

Answer:

y = 1.5x + 2.5

Step-by-step explanation:

Using a graph is the simplest way to find this

Answer:

Its A n+(n+6)=24

Step-by-step explanation:

because 6 plus n (blue) is yellow and hen add original blue to equal 24

Answer:

1st: n+(n+6)=24 where n is the number of blue marbles.

In this equation its 180 for the total