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Lilit [14]
3 years ago
7

What is the percent increase from $3.89 to $4.19

Mathematics
1 answer:
Basile [38]3 years ago
5 0

Answer:

8%

Step-by-step explanation:

4.19-3.89=.3 .3/3.89≈7.7 which round up to 8%

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A) What type of correlation is shown in diagram A?
vivado [14]

Answer:

A = strong negative correlation

B = positive correlation

C = very weak or no correlation

Step-by-step explanation:

Scatter plot A:

A clear linear trend line could be observed having a negative slope ; the nature of the slope gives the nature of the correlation (positive or negative). Since the slope is negative then we have a negative correlation. The linear trend line is almost straight with only few points marginally missing the best fit line. Hence. We can conclude to have a strong negative correlation.

Scatter plot B :

Has a positive slope, and hence a positive correlation. The best fit line miss a few points but the linear trend of the plot is still observable. Hence, we can conclude to having a fairly strong positive correlation.

Scatter plot C :

From the graph, no linear trend can be observed and hence it is fit to say that no correlation exists between the points.

8 0
3 years ago
The length of AB-----is 15 centimeters. A dilation with a scale factor of 0.4 is applied. What is the length of the image of ​ A
ss7ja [257]
Let's restate your first sentence: the length of AB is 15 cm.

For dilation, we would have to multiply 15 by 0.4 and that would lead us to our answer: 6 cm. Hope this helps!
7 0
4 years ago
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The ratio of boys to girls in Mrs. Ronilo's math class is 3 to 1. What PERCENT of the class is girls
Lina20 [59]
The percentage is 25%
think of quarters
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3 years ago
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3 years ago
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Write the number in standard and expanded form. 304,800,400
Alja [10]

We have to express the number 304,800,400 in standard and expanded form.

The expanded form is shown as a sum of each digit multiplied by its matching place value. Let us express the number in expanded from.

So, 304,800,400 = (3 \times 100000000) + (4 \times 1000000) + (8 \times 100000)+ (4 \times 100)

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So, this is the expanded form of the given number.

Standard form is a way of writing down very large or very small numbers easily.

The standard from of the number is:

304,800,400 = 3.048004 \times 10^8.

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3 years ago
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