Mathematics College

last month, a bookstore ran the following at and sold 85 calculators, generating $4,083 in sales. How many of each type of calculator do the bookstore sell?​

Last Month, A Bookstore Ran The Following At And Sold 85 Calculators, Generating $4,083 In Sales. How

Answers

Answer 1

Answer:

31 scientific calculators

54 graphing calculators

Step-by-step explanation:

X = number of $15 calculators

Y = number of $67 calculators

X+Y = 85   then X = 85-Y

15X+67Y = 4083

substitute for X

15(85-Y)+67Y = 4083

1275 - 15Y + 67Y = 4083

reduce

52Y = 2808

Y = 54

X = 31

Related Questions

PLEASE HELP THIS IS TIMED

A salesperson receives a 3% commission on sales. The salesperson receives $180 in commission. What is the amount of sales?

Thank you :)

Answers

Answer:

$6,000

Step-by-step explanation:

Form an equation

let s be the amount of sales

You know that the salesperson gets 3%, or 0.03 of the sales, so:

0.03x = 180

Then, solve

[tex]0.03x=180[/tex]

multiply both sides by 100 to get rid of the decimal

[tex]3x=18000[/tex]

divide both sides by 3

[tex]x=6000[/tex]

So the amount of sales is $6,000

11.Which of the following is not a conic section?
Circle
Parabola
Square
Hyperbola

Answers

Circle I think I really don’t know tell me
Circle is the answer

Twelve less than the cube of the sum of six times a number and three.

Answers

Answer:

[tex](6 * n + 3)^{3}[/tex] - 12

Step-by-step explanation:

Twelve less than the cube of the sum of six times a number and three.

1. Change the words into numbers and math symbols.

Twelve = 12

Less than = subtract -

sum of six times a number and three = (6 * n + 3)

cube = exponent 3

2. Write the problem.

[tex](6 * n + 3)^{3}[/tex] - 12

In ΔXYZ, z = 81 cm, ∠Y=139° and ∠Z=6°. Find the length of y, to the nearest 10th of a centimeter.

Answers

Answer:

508.4

Step-by-step explanation:

This is on delta math

Answer:

508.4

Step-by-step explanation:

delta math

is this a plant cell or animal cell and how do u know

Answers

Answer:

Animal cell

Step-by-step explanation:

Well, first off, it's round and has no cell wall like a plant cell does. There are also lysosomes and centrosomes, which a plant cell does not have.

Answer:

animal cell

Step-by-step explanation:

because it doesn't have a large vacuole a plant has a large vacuole and it doesnt have a cell wall like a plant cell

Need help! (5 3/4 1 5/6) - 6 7/12

Answers

Answer:

Step-by-step explanation:

7/12 / 3/10 = 35/

18

= 1 17/

18

≅ 1.9444444

Solve the inequality
-5x > 35

Answers

-5x > 35
-x > 7
(Divide it by 5)

Answer:

x is greater than or equal to -8

Step-by-step explanation:

35/-5 is 7 and since the sign is greater than that means that -5x will be greater than 35

Help! - Conjectures With Angles

Tommy has made a conjecture about the sum of two Obtuse angles.

' The sum of two obtuse angles cannot be an obtuse angle'

Do you agree with Tommy?
explain your reasoning ​

Answers

I agree with Tommy because the sum of the smallest obtuse angles (91+91⁰) is 182⁰ which is a reflex angle, not obtuse. The other obtuse angles will be bigger and so will not be obtuse either.

You do not need to flip the inequality sign when solving the inequality -3 t + 7 ≥ 9.
True.
False.

Answers

I believe it is false

I need to find the answer to 6+square root of 23i in approximate form. (Decimals)

Answers

Answer:

I don't know if I'm right but I think it's 4.79583152

Step-by-step explanation:

Four-fifths of a spinach casserole is leftover after Sam has lunch. Jackie and Alicia each take 1/2 of the left over casserole. Jackie eats only 7/8 of her portion. What fraction of a whole casserole did Jackie eat? Express your answer as a simplified fraction. ​

Answers

Answer:

1/4

Step-by-step explanation:

Casserole received by Jackie and Alicie = 1/2 x 3/4 = 3/8 of the whole

Portion eaten by Jackie = 2/3 x 3/8 = 1/4 of the whole

A car uses 10litres of fuel for a journey of 40km on the average.What distance will 25litres cover with the same car and speed?​

Answers

Answer:

x = 100

Step-by-step explanation:

First, you start with putting either 10 liters ontop of 40 km or the other way around. Then, whichever place you put the 10 liters, you put the 25 on the opposite side. Then the missing km is the 'x'. You need to do cross-products. So, it would be like this: 10x = 40 * 25. You start with 40 times 25, which is 1,000. Then divided by 10 on both sides. Which would take out the 10, which would be left with the 'x', and divide 1,000 by 10 it would be 100.

I hope this helps! My apologies if it's wrong. I'm not good with math.

og Flag this Question
14)
The vertices of AABC are A(-4,4), B(-2,5), and C(-5,2).
If AABC is reflected across the line y-axis to produce the
image AA'B'C', what are the coordinates of each of the
vertices of AA'B'C' ?

Answers

Given:

The vertices of ΔABC are A(-4,4), B(-2,5), and C(-5,2).

The triangle ABC is reflected across the line y-axis to produce the image ΔA'B'C'.

To find:

The coordinates of ΔA'B'C'.

Solution:

If a figure is reflected across the y-axis, then

[tex](x,y)\to (-x,y)[/tex]

Using this rule, we get

[tex]A(-4,4)\to A'(4,4)[/tex]

[tex]B(-2,5)\to B'(2,5)[/tex]

[tex]C(-5,2)\to C'(5,2)[/tex]

Therefore, the vertices of the ΔA'B'C' are A'(4,4), B'(2,5) and C'(5,2).

PLEASE ANSWER QUICKLY THX

Answers

Answer:

a. 5sqrt5 (sqrt 5 * sqrt 5 * sqrt 5 = sqrt125 = 5sqrt5)

b. 10sqrt10 (sqrt10 * sqrt10 * sqrt10 = 1000sqrt = 10sqrt10)

c. xsqrtx

I need help with this ASAP

Answers

Answer:

12.56637061 ?????

Step-by-step explanation:

determine whether the ordered pair (3,-5) is a solution to the system -2x+y=-11 & -2x-2y=-4

Answers

Answer:

No.

Step-by-step explanation:

-2(3)-5=-6-5=-11

-2(3)-2(-5)=-6+10=4, not -4.

find the slope of the line that passes through the points (1,-4) and (3,-1)​

Answers

Answer:

The slope is 3/2 or 1.5

Step-by-step explanation:

The slope is Rise/Run.

The difference in y-values, –1 -(-4) =3 is the rise.

the difference in x-values, 3 –1 = 2 is the run.

work out the surface area of this sphere give your answer to 1 decimal place it is 2.6cm
if you can help again I will be soo appreciated thank you ​

Answers

Answer:

SA : 84.9cm³

Step-by-step explanation:

Formula : 4×pi×r² as well as 4pi r²

4 x pi x 2.6²=84.94866535

1dp : 84.9

ANSWER ALL THE QUESTIONS I HAVE PLEASE AND I'LL LEGIT GIVE U ALL MY POINTS IF I CAN AND GIVE YOU BRAINLIST. I NEED THAT STUFF DUE FRIDAY. PLEASE HELP PLEASEEEEEEEEE. CLICK ON MY PFP AND GO TO QUESTIONS ALL THE QUSTIONS I HAVE WILL BE ON THERE. PLEASE AND TY. AND TO YOU USERS WHO DELETE MY STUFF YALL ACT AS IF I CANT JUST POST IT AGAIN

Answers

Answer:

danggggg *_*

Step-by-step explanation:

show how 4x 3/4 can be solved using multiplication and division

Answers

Answer:

Multiplication:

[tex]\frac{4}{1}[/tex] × [tex]\frac{3}{4}[/tex] = [tex]\frac{12}{4}[/tex]

[tex]\frac{12}{4}=3[/tex]

Division:

[tex]4[/tex] ÷ [tex]\frac{4}{3}[/tex] OR [tex]\frac{4}{\frac{4}{3} }[/tex] = 3

what is x if 3x X= 24

Answers

Answer:

x is 8........ correct answer

8 is the answer you just multiple and see you get 24

write an equation of the line that passes through (2, -4) and (0, -4)

Answers

Step 1: find the slope using the slope formula m = (y2-y1) / (x2-x1)

(2, -4) means 2 is your x1 and -4 is your y1

(0, -4) means 0 is your x2 and -4 is your y2

(y2-y1) = -4 - (-4) = -4 + 4 = 0

(x2-x1) = 0 - 2 = -2

0/-2 = slope of 0

Plug slope and one point into point-slope formula y-y1 = m(x - x1)

y - (-4) = 0(x - 0)
y + 4 = 0
y = -4

You have a horizontal line going through the point (0, -4)
y=-4
...................

50 points! Correct answer will get brainliest. Random answers will be reported

Answers

Answer:

4, -8

Step-by-step explanation:

Answer: The answer is <-4, -8>

Step-by-step explanation:

What the expression is?

Answers

Answer:

29

Step-by-step explanation:

Answer:

The answer is 29

PLS PLS PLS PLS PLS ANSWER THIS CORRECTLY PLS ITS A QUIZZZZZZ

Answers

Answer:

Its -7

Step-by-step explanation:

1st Triangle

XY=8

YZ=10

ZX=12

Total sum of Triangle

=8+10+12

=20

2nd Triangle

LM=12

MN=15

NL=?

Total sum of triange

LM+MN+NL=Total sum of 1st triangle

=12+15+x=20

=27+x=20

=x=20-27

x=-7

Organize the information given in a two-way table.


Only Likes Sudoku
Only Likes Two-Way Tables
Likes Both
Total
Female
A

B

Male

D

Total
C




100 people were asked if they like playing the puzzle game sudoku, solving two-way tables, or both. 4% of the people only liked sudoku. 50% of the people who only liked sudoku were female. 90% of the people liked both. 60% of the people who liked both were female. 40 men were involved in the study.

Which of the following represents the data in the table?

choices
A. a = 2, b = 36, c= 4, d = 6
B. a = 4, b = 54, c = 4 , d = 6
C. a = 4, b = 36, c = 4, d = 2
D. a = 2, b = 54, c = 4, d = 2

Answers

Your answer would be B. a=2, b=54, c=4, d=6

The trapezoids below are similar. Find the two missing side lengths.

Answers

Answer:

y = 15, x = 4

Step-by-step explanation:

Hope this helped!

Answer:

y+15x=4

Step-by-step explanation:

Simplify the expression 4(5a+b)−9a+3

Answers

Answer: 11a+4b+3

Step-by-step explanation: 4(5a+b)−9a+3

(4)(5a)+(4)(b)+−9a+3

20a+4b+−9a+3

(20a+−9a)+(4b)+(3)

11a+4b+3

please provide me insight and answer to the attached photo​

Answers

Answer: option 4 (1/25)

Explanation:
Because the function is now -2, we need to replace every x with -2. The function says 5x so instead we change it to 5-2. 5 to the power of -2 is 1/25 which is option 4


h = 5 in.
b= 6 in.
What is the area of this parallelogram

Answers

Answer:

30in2

Step-by-step explanation:

Answer: 30 inches squared or 30 in2

Step-by-step explanation: if the height is 5 and the base is 6 then five times six = 30 inches, and because it is area, you have to put squared or 2 making it 30 inches squared or 30 in2

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