The school store sells pencils for $0.30 each, shirts for $14.50 each, and notebooks for $3.20 each.

a. The cost of 4 pencils, 1 shirt, and 3 notebooks is?

b. Sarah brought $10 to the store. She bought 2 notebooks and 3 pencils. How much money does she have left? $

Answer:

3x is greater then 3 because 3x has 3 of x and 3 is plain 3

Answer:

yes 17-17=8=9=23/23/234/23=-234

Step-by-step explanation:

Answer:

D. 8x³ + 4x⁷ - 3x³ + 3x² - 2x + 9

Step-by-step explanation:

(8x⁸ - 9x³ + 3x² + 9) + (4x⁷ + 6x³ - 2x)

Apply distributive property to eliminate parentheses

8x⁸ - 9x³ + 3x² + 9 + 4x⁷ + 6x³ - 2x

Collect like terms

8x⁸ + 4x⁷ - 9x³ + 6x³ + 3x² - 2x + 9

8x³ + 4x⁷ - 3x³ + 3x² - 2x + 9

Answer:

[tex]z = x + y \\ \huge \boxed{x = z - y}[/tex]

Answer:

Since you are graphing the line of x, the line should be vertical where it is placed 2 units before the center of the graph.

Answer:

$125

Step-by-step explanation:

To solve this, we need to find 2.5% of 5,000. To do this, we multiply 5,000 by .025. This gets us 125. That means you earn $125 worth of interest in one year.

Answer:

6

Step-by-step explanation:

Step-by-step explanation:

I will write the steps of construction,

1. Draw line segment BC = 4.5cm

2.Using a compass and radius 3.8 cm draw an arc

keeping the point at B.

3.Again taking the radius as 5cm draw an another arc intersecting the previous arc.

4. Join both the lines at that arc and you will get

Triangle ABC.

Answer:

Linear equation

Step-by-step explanation:

Given

The attached

Required

Determine the type of function

We start by checking for linear function

A linear function is such that:

[tex]m = \frac{y_2 - y_1}{x_2 - x_1}[/tex]

The above represents the slope

For any pair of coordinate points, the slope must be constant.

We have:

[tex](x_1,y_1) = (-3,-16)[/tex]

[tex](x_2,y_2) = (-2,-13)[/tex]

The slope (m) is:

[tex]m = \frac{-13-(-16)}{-2-(-3)}[/tex]

[tex]m = \frac{-13+16}{-2+3}[/tex]

[tex]m = \frac{3}{1}[/tex]

[tex]m = 3[/tex]

Take another pair:

[tex](x_1,y_1) = (-1,0)[/tex]

[tex](x_2,y_2) = (-10,-7)[/tex]

The slope (m) is:

[tex]m = \frac{-7-(-10)}{0-(-1)}[/tex]

[tex]m = \frac{-7+10}{0+1}[/tex]

[tex]m = \frac{3}{1}[/tex]

[tex]m = 3[/tex]

The slope remains constant

Hence, it is a linear function

Answer:

66 and 52?

Step-by-step explanation:

Answer: 900 times

Step-by-step explanation:

1 kilometer = 1000 meters

1.8 kilometers = 1000 × 1.8

1.8 kilometers = 1800 meters

2 meters = 1 click

1800 meters = 1800 ÷ 2

1800 meters = 900 clicks

The wheel will click 900 times when Ty walks 1.8 kilometers.

Hope this helped!

Answer:

It will click 900 times

Step-by-step explanation:

We know that there are 1000 meter in 1 km.

So 1.8 km is basically

1.8*1000=1800

So 1800 meters

And every 2 meters it clicks once

So 1800/2=900

So 900 times in 1.8 km

Answer:

D. [tex] x = \frac{5*\sqrt{2}}{2} [/tex]

Step-by-step explanation:

Reference angle = 45°

Length of Opposite side = x

Hypotenuse length = 5

Applying trigonometric ratio, we have:

[tex] sin(45) = \frac{x}{5} [/tex]

Multiply both sides by 5

[tex] 5*sin(45) = \frac{x}{5}*5 [/tex]

[tex] 5*sin(45) = x [/tex]

[tex] 5*\frac{1}{\sqrt{2}} = x [/tex] (sin 45 = 1/√2)

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

Rationalize

[tex] \frac{5*\sqrt{2}}{\sqrt{2}*\sqrt{2}} = x [/tex]

[tex] x = \frac{5*\sqrt{2}}{2} [/tex]

Answer:

(5,-1)

x=5

y= -1

Step-by-step explanation:

To solve this we're going to solve for one variable in either equation

so we have

x+y=4

We can subtract y and 4 from both sides to get

x-4= -y

Then divide by -1 so that y will be a positive number

-x+4=y

We can plug this in for y in the other equation

2x -2(-x+4)=12

Distribute the -2 and get

2x+2x-8=12

Combine like terms and add 8 to get

4x=20

divide and get x=5

Plug in x=5 into the first equation to get

5+y=4

subtract 5 to get y= -1

Our answer is (5,-1) or x=5 y= -1

I checked this on desmos and the math is correct

Answer:

The solution to the system of equations will be:

x = 5, y = -1

Step-by-step explanation:

Given the system of equations

x + y = 4

2x - 2y = 12

Isolate x for x + y = 4:    x = 4 - y

substitute x = 4 - y in the equation 2x - 2y = 12

2(4-y) - 2y = 12

8 - 2y - 2y = 12

8 - 4y = 12

4y = 8 - 12

4y = -4

divide both sides by 4

4y/4 = -4/4

y = -1

substitute y = -1 in x + y = 4

x + y = 4

x + (-1) = 4

x - 1 = 4

x = 5

so

(x, y) = (5, -1)

Therefore, the solution to the system of equations will be:

x = 5, y = -1

Answer:

Let's go step-by-step ⇒

[tex]\frac{10x + 4}{7} = 8[/tex]

= [tex](\frac{7}{1})\frac{10x+4}{7} = \frac{8}{1}(\frac{7}{1})[/tex]

= [tex]10x+4=56[/tex]

= [tex]10x = 52[/tex]

= [tex]x = 5.2[/tex]

Your answer is x = 5.2

I hope this helps!

- sincerelynini

Answer:

The first number line is correct.

Step-by-step explanation:

To find the number which best represents Eva's stock, we look into the text, and find the changes:

Monday: Stock bought at $42.

Tuesday: Change of -$15, so now it is worth $42 - $15 = $27

Wednesday: Change of +$15, so now it is worth $27 + $15 = $42

The number line which represents the decrease, and then the increase, is the first one.

Answer:

4x+20

Step-by-step explanation:

Using the distributive property you multiply the terms outside by the terms inside. So the expression will be like this

4(x)+4(5)

When simplified the answer is

4x+20

Answer:

Step-by-step explanation:

Here you go mate

Step 1

4(x + 5)  equation

Step 2

4(x + 5)  simplify the expression

(x+5)4

(x+5)(4)

answer

20+4x

Answer: Yes

Step-by-step explanation: The answer of 1400 is correct.

What I did is I found the area of the figure assuming it was a rectangle, then I subtracted the corners that were removed.

1800 - 150 - 100 - 150 = 1400

Answer:

Yup Its Correct

Step-by-step explanation:

The Calculated Area Al adds up to 1400

Answer:

6

Step-by-step explanation:

there are six outcomes:

waffle cone apricot

waffle cone chocolate

waffle cone blackberry

sundae apricot

sundae chocolate

sundae blackberry

Answer:

 = 2

Step-by-step explanation:

3  +  6  =  1 2

subtract 6 from both sides of the equation

3  +  6  −  6  =  1 2  −  6

3  =  1 2  −  6

3y/3 = 6/3

y = 6/3

y = 2

i'm taking the same thing :)

Answer:

Let x be the discounting price of a surfing lessons per person

Let y be the discounted price of a surfing lessons per person

The cost of taking a surfing lesson and go parasailing is $130

x + y = 130--------------(i)

25 people take

Surfing lessons, and 30 people go parasailing and a total of $3,650 is collected

25x + 30y = 3650--------------(ii)

We solve for y using equ (i):

y = 130 - x ------------(iii)

Substitute equ (iii) to equ (ii) and solve for x

25x + 30(130 - x) = 3650

25x + 390 - 30x = 3650

-5x = -250

-x = 50

We solve for y using equ (iii):

y = 130 - x

y = 130 - 50

y = 80

So, the discounted price to take a surfing lesson is $50 and the discounted price to go parasailing is $80

Answer:

925.04cm²

Step-by-step explanation:  

Curved surface area of a cylinder = 2πrh

If the sum of the radius of the base and height of the cylinder is 21 cm, then;

r + h = 21

r = 21-h..... 1

The curved surface area is expressed according to the formula

CSA =  2πrh

Substitute the value of CSA given into the formula

616 = 2πrh ....2

Substitute equation 1 into 2;

]616 = 2π(21-h)h

616 = 2π(21h-h²)

Note that π = 3.14

616 = 42(3.14)h - 2(3.14)h²

616 = 131.88h - 6.28h²

98.09 = 21h - h²

h²-21h+98.09 = 0

h = 21±√21²-4(98.09)/2

h = 21±√441-392.36/2

h = 21±√48.64/2

h = 21±6/97/2

h = 21+6.97/2 and 21-6.97/2

h = 27.97/2 and 14.03/2

h = 13.985 and 7.015

Recall that r = 21-h

r = 21 - 13.985

Substitute r = 7.015  into the total surface area of the cylinder

The total surface area = 2πrh + 2πr²

The total surface area = 616 + 2(3.14)7.015²

The total surface area = 616 + 309.04

The total surface area = 925.04

Hence the total surface area of the cylinder is 925.04cm²

Answer:

-189

Step-by-step explanation:

[tex]\int^9_0 \ |6x-6| \ dx[/tex]

⇒ 6x - 6 = 0

6x = 6

x = 1

[tex]\int^9_0 \ (6x- 6 ) \ dx = \int^9_0 \ -(6x - 6) \ dx[/tex]

[tex]= - \Big[ \dfrac{6x^2}{2}- 6x \Big]^9_0[/tex]

[tex]= - \Big[ \dfrac{6(9)^2}{2}- 6(9) - 0 \Big][/tex]

[tex]= -(243 - 54 - 0 )[/tex]

= -189

Answer:

Step-by-step explanation:

Hahahhhh Lol

Answer: It says 25 points brat but whatever.

Step-by-step explanation:→ The number of servings his recipe will yield = (Total recipe yields) ÷ (Each serving) = 8(1/2) ÷ (1/4) = 8 and 1 over 2 ÷ 1 over 4. SO that means it would be option d

Answer: -0.25 and 5

Step-by-step explanation:

Khan

Answer: 63

Step-by-step explanation:

From the question, we are informed that Steve sold 252 fruit basket for a school fundraiser while Evie aold 25 fruit baskets for each 100 baskets that Steve sold. This means that Evie sold 25/100 = 1/4 of what Steve sold.

Therefore, the number of fruit baskets sold by Evie will be:

= 1/4 × 252

= 63