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Novay_Z [31]
2 years ago
8

Please help...thanks

Mathematics
2 answers:
olga_2 [115]2 years ago
8 0

Answer: The whole is divided into 3 equal parts. 2 out of 3 parts are shaded. 2/3 (two thirds) of the whole is shaded. 1/3 (one third) of the whole is not shaded.

Step-by-step explanation:

timofeeve [1]2 years ago
7 0

Answer:

Question 1: The whole is divided into 3 equal parts,

Question 2: 2 out of 3 parts are shaded.

Question 3: 2/3 of the whole is shaded,

Question 4: 1/3 of the wholde is NOT shaded.

Step-by-step explanation:

Question 1: You can see on the shape there are 2 lines and is divided into 3 parts(3 pieces separated), that means it is divided into 3 parts.

Question 2: if you look on the rectangle closely, you can see that 2 of the 3 squares are shaded.

Question 3: in question 1, we know that there are 3 pieces and in question 2, we know that 2 are shaded and that means that the fraction is 2/3.

Question 4: we know that 2/3 of the squares are shaded so that means we have to subtract 1 by 2/3 so 1-2/3=1/3 and that leaves us with 1/3 of the pieces are shaded.

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Solve the question on the picture if it is wrong
romanna [79]

Given:

Cost of 1 digital song = $1.05

Cost of 2 digital song = $2.10

Cost of 5 digital song = $5.25

To find:

The equation and the cost of 25 downloaded digital songs.

Solution:

Let us take two points (1, 1.05) and (2, 2.10).

Here x_1=1, y_1=1.05, x_2=2, y_2=2.10

Slope:

$m=\frac{y_2-y_1}{x_2-x_1}

$m=\frac{2.10-1.05}{2-1}

m = 1.05

Using point-slope formula:

y-y_1=m(x-x_1)

y-1.05=1.05(x-1)

y-1.05=1.05x-1.05

Add 1.05 on both sides, we get

y=1.05x

Here x is the independent variable and c is the dependent variable.

So that substitute x = n and y = c.

c=1.05n

The equation is c = 1.05 n.

Substitute n = 25 in the equation.

c=1.05(25)

c=26.25

The cost of 25 songs is $26.25.

8 0
3 years ago
6 people meet for a business lunch. Each person shakes hands once with each other person present. How many handshakes take place
CaHeK987 [17]
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in a group of people for every 20 people 7 of them have blue eyes a) write the ratio of the number of people with blue eyes to t
bazaltina [42]

Answer:

a) 7 : 20

b)There will be 35 people with blue eye

Step-by-step explanation:

a)

This question is asking you the ratio of the number of people with blue eyes to the total number of people.

So seven people with blue eyes to the total number of 20 people.

7 : 20

b)

you got the ratio 7 : 20, this also means that there will be 7 people with blue eyes in every 20 people.

so you use 100 divides by 20, you will get the number five, this means there are 5 groups of 20 in 100 people.

so then you use 5 times 7, then you got the number 35.

That means, there are 35 people with blue eyes in 100 people.

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iren2701 [21]
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PIT_PIT [208]

Answer:

Step-by-step explanation:

This is a related rates problem from calculus using implicit differentiation. The main equation is going to be Pythagorean's Theorem and then the derivative of that. Pythagorean's Theorem is

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2x\frac{dx}{dt}+2y\frac{dy}{dt}=0 and dividing everything by 2 to simplify a bit:

x\frac{dx}{dt}+y\frac{dy}{dt}=0. Upon analyzing that equation, it looks like we need values for x, y, \frac{dx}{dt}, and \frac{dy}{dt}. And here's what we were given:

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BUT we can use the right triangle and the angle we were given to find both x and y. The problem we are looking to solve is to

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Solving for x and y:

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6(\frac{\sqrt{2} }{2})=x=y so

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3\sqrt{2}(\frac{1}{2})+3\sqrt{2}\frac{dy}{dt}=0 and

\frac{3\sqrt{2} }{2}+3\sqrt{2} \frac{dy}{dt}=0 and

3\sqrt{2}\frac{dy}{dt}=-\frac{3\sqrt{2} }{2} and multiplying by the reciprocal of the left gives us:

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