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Vitek1552 [10]
4 years ago
8

Janice thinks that 20 hundredths is equivalent to 2 thousandths because 20 hundreds is equal to 2 thousands. Use words and a pla

ce value chart to correct Janice's error.
Mathematics
1 answer:
Anna [14]4 years ago
6 0
1 hundredth is equal to 0.01 therefore 20 hundredths is equal to 0.2. 1 thousandth is equal to 0.001 therefore 2 thousandths is equal to 0.002. Clearly these are not equivalent.
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A roll of film for this camera costs $4.79. There
frutty [35]

Answer:

The total cost is $16.96

The cost per photo is $1.06

Step-by-step explanation:

Hello!

<h3><u>Part 1:</u></h3>

1 roll of film costs $4.79. 1 roll of film has 16 photos. To develop the 16 photos, you need to pay $12.17.

First, let's find the total cost for the film and the development for 1 roll of film:

  • Total Cost = Cost of Film + Cost of developing
  • Total Cost = $4.79 + $12.17
  • Total Cost = $16.96

<u>The total cost of 16 photos is $16.96</u>

<u />

<h3><u>Part 2:</u></h3>

Now, we have to find the price per picture on the roll of film. We know that there are 16 shots on the film, so we can simply divide the total price by 16 to find the price per picture.

Divide:

  • $16.96 ÷ 16
  • ($16 ÷ 16) + ($0.96 ÷ 16)
  • $1 + $0.06
  • $1.06

<u>The price per photo is $1.06</u>

8 0
2 years ago
2. What is the sample proportion of heads in your sample of 40? Report this value to your teacher.
Alexeev081 [22]

Answer:

\frac{18}{40}=0.45

Though it may vary, it's going closer to 0.5 as long as we enlarge our sample.

Step-by-step explanation:

1) Since a coin has heads and tails, then a sample proportion of 40 we can simulate it using some applets.

2) Here are the most common outcomes, as long as we continue on flipping coins.

\frac{18}{40}=0.45

If we continue enlarging our sample (80, 120,160...) the probability goes closer to 0.5

This shows: the theoretical probability goes closer and closer to the experimental probability of heads and tails

S_{80}=0.503\\S_{120}=0.50

6 0
3 years ago
Solve the system of equations. y = 4x + 6 3x + y = 41
Mama L [17]
<u>→ Chapter : Linear Equation of Two Variables ←</u>
<em><u>≡ We know that:</u></em>
↔ y = 4x + 6

⇔ 3x + y = 41
↔ y = 41 - 3x

<u><em>≡ Solution:</em></u>
<em>⇔ First, find the value of x:</em>
⇒ y = y
⇒ 4x + 6 = 41 - 3x
⇒ 4x + 3x = 41 - 6
⇒ 7x = 35
<u>⇒ x = 5</u>

<em>⇔ Then, find the value of y:</em>
⇒ y = 4x + 6
⇒ y = 4(5) + 6
⇒ y = 20 + 6
<u>⇒ y = 26</u>

<em>∴ So, the solution of that equation is (5, 26)</em>
7 0
3 years ago
Solving Equations with Variables on Both Sid
Alik [6]

Answer:     -24

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
A line with a slope of 1 passes through the point (1,8) what is the equation in slope intercept form
zubka84 [21]

Answer:

Step-by-step explanation:

Slope m = 1

Point (1;8)

x1 = 1 and y1 = 8

y - y1 = m(x - x1)

y - 8 = 1(x - 1)

y - 8 = x - 1

y = x - 1 + 8

y = x + 7

3 0
3 years ago
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