MATHEMATICS MIDDLE SCHOOL

a large cheese pizza coast $7.50. each additional topping for the pizza costs $1.35. if the total bill for the pizza sally orders was $12.90, how many toppings did she order?

Answers

Answer 1

Answer:

Answer:

She ordered 4 toppings.

Step-by-step explanation:

7.5+1.35x=12.90

1.35x=12.9-7.5

1.35x=5.4

x=5.4/1.35

x=4

Answer 2

Answer: answer: 4
1) subtract 7.50 from 12.90. $5.40
2) divide 5.40 by 1.35. 4 toppings

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The cost for Andrea to produce several units of a certain item is $336 plus $12 per unit. She sells this item for $28 per unit.How many units of the item must she produce and sell so that the amount of money she earns in sales equals the amount of money she spends in production costs? How much money would that be?

Answers

Profit will be achieved when the money earned is greater than the money spent so,
336 + (n*12) = n*28 any subsequent units sold would result in profit
336 = 28n - 12n
336 = 16n
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A rectangle has vertices A(1, 3), B(1, 10), C(5, 10), and D(5, 3).

What is the perimeter of the rectangle?

Answers

The sides of the rectangle would be the width of 4 units and the length of 7 units
The equation of perimeter is P=2l+2w
If w=4 and l=7, the P=2(7)+2(4)
Therefore, P=14+8=22 units

Subtract use model if needed

(9x+5) - (4x+3)=

Answers

5x+2 is as simple as I can get.

9x-4x+5-3= 5x+2 hope that helps

True or false
A trapezium is a parallelogram

Answers

true
There is some disagreement whether parallelograms, which have two pairs of parallel sides, should be regarded as trapezoids. Some define a trapezoid as a quadrilateral having only one pair of parallel sides (the exclusive definition), thereby excluding parallelograms.

No trapezoid is not a parallelogram.

Please help with this

Answers

Answer:

3rd Option

Step-by-step explanation:

When you find the ratio of the 2 triangles, it is 14/5, so the 2nd option and 4th option are out of the park (The triangles are indeed similar). You are left with options 1 and 3. Option 3 is the best answer as you have to match the vertices of each triangle to each other.

You decide to put $2000 in a savings account to save for a $3000 down payment on a new car. If the account has an interest rate of 4% per year and is compounded monthly, how long does it take until you have $3000 without depositing any additional funds?