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lora16 [44]
3 years ago
6

Identify and label each of the mathematical properties below.

Mathematics
1 answer:
vazorg [7]3 years ago
5 0

Answer:

1. Commutative

2. Associative

3. Identity

4.Distributive

5. Identity

6. Associative

7. Commutative

8. Identity

9. Identity

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What is the distance between the endpoints (2,3) and (-3,-2)?
Deffense [45]
distance= \sqrt{(-3-2)^2+(-2-3)^2}= \sqrt{25+25}= \sqrt{50}=5 \sqrt{2}

Answer is 5√2
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3 years ago
The swim camp cost $280. How long will it take Kareem to save enough for tbe camp?
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6 0
4 years ago
For the triangle shown, what are the values of x and y?
Black_prince [1.1K]

Answer:

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6 0
3 years ago
What is the molarity of a solution
Vika [28.1K]

Answer:

0.670. M

Step-by-step explanation:

Molarity can be expressed like this:

molarity =  number of moles /volume (L)

We know the volume, which is  2.37 L , but we need to find the number of moles. We can do this by dividing  67.3 g  by the molar mass of  L i C l :

number of moles  = mass of sample /molar mass

number of moles  =  67.3 g /(6.94 + 35.45) g/mol  = 67.3 g /42.39 g/mol

number of moles = 1.59 mol

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7 0
3 years ago
How do I solve this?Farmer Ed has 1500 meters of fencing, and wants to enclose a rectangular plot that borders on a river. If fa
Dafna1 [17]

We need to find the maximum (Vertex of the function)

Let:

L = Length = 1500 - 2x

W = Width = x

The area is given by:

\begin{gathered} A=W\cdot L \\ A=x(1500-2x) \\ A=1500x-2x^2 \\ A(x)=1500x-2x^2 \end{gathered}

We can find the maximum using the following formula:

\begin{gathered} xm=-\frac{b}{2a} \\ where \\ a=-2 \\ b=1500 \\ so\colon \\ xm=-\frac{(1500)}{2(-2)}=\frac{1500}{4}=375 \end{gathered}

Evaluate the area for the value we found previously:

A(375)=-2(375)^2+1500(375)=-281250+562500=281250

The largest area that can be enclosed is 281250m²

4 0
1 year ago
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