In the two diagrams, all the triangles weigh the same and all the squares weigh the same.

Mathematics

1 answer:

dimulka [17.4K]3 years ago

4 0

Answer:

1. A triangle weighs more than a square.

2. A triangle could weigh more than a circle.

3. A triangle cannot possibly weigh more than 4 squares and a circle.

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You and some friends have $30. You want to order large pizzas (p) that are $9 each and drinks

DochEvi [55]

Given:
Budget = $30
cost of pizza = $9
cost of drinks = $1
number of pizza = p
number of drinks = d

pizza and drinks should only be equal to or less than the budget of $30.

$9p + $1d < $30

unit cost of pizza : 9
unit cost of drinks : 1
total cost of set (p & d) 10

pizza = 9/10 x 30 = 27 total cost of pizza
drinks =1/10 x 30 = 3 total cost of drinks

27 ÷ 9 = 3 number of pizzas to order
3 ÷ 1 = 3 number of drinks to order

To check:

9p + 1d < 30
9(3) + 1(3) < 30
27 + 3 < 30
30 < 30

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4 years ago

If x = –3 is the only x-intercept of the graph of a quadratic equation, which statement best describes the discriminant of the e

natita [175]

Equations don't really have x intercepts, functions or curves do. They're also known as the zeros of the function. When we set a function equal to zero we get an equation to solve, and the zeros of the function become the solutions or roots of the equation.

If a quadratic equation only has one root, that's a repeated root corresponding to a discriminant of zero.

In this example our equation is something like $2(x+3)^2=0$ , or expanded