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In-s [12.5K]
3 years ago
5

A car is traveling at a steady speed. It travels 1 and one half

Mathematics
1 answer:
OLga [1]3 years ago
6 0

Step-by-step explanation:

1.5 mi = 2 and 1/4 min

In 43 minutes:

43 ÷ 2.15 = 20             2.15 = 2 and 1/4 min

Now you have to multiply 1.5 by 20

1.5 x 20 = 30

In 1 hour (60 minutes):

60 ÷ 2.15 = 27.9

Now you have to multiply 1.5 by 27.9

1.5 x 27.9 = 41.85

Hope this was helpful :)

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A school has 8 blocks all day that last for 45 minutes each day. How long would each block be if school had 9 blocks all day
katrin2010 [14]

Answer: (reduce if needed)

50.625

Step-by-step explanation:

45 divided by 8 is 5.625

Add 5.625 to 45 for 50.625

Mark me as brainliest if this helps!

3 0
3 years ago
If two sides of a rectangle are 5 units and 9 units, what is the perimeter?
Mariana [72]
The perimeter is 28 bc 5+5 is 10 and 9+9 is 18 so if you add 10 and 18 you get 28. Hope it helps:)
(please mark brainliest )
3 0
2 years ago
A middle school took all of its 6th grade students on a field trip to see a play at a theater that has 2100 seats. The students
GREYUIT [131]

Answer:

2100 - 987 = 1113

1113/2100= 0.53

0.53 X 100 = 53%

7 0
3 years ago
.
marusya05 [52]

Answer:

i)

Find the attached

ii)

The mathematical model that best fits the data is;

The quadratic model

Step-by-step explanation:

i)

A scatter-plot can easily be constructed using applications such as Ms. Excel.

In Ms. Excel, enter the data into any two adjacent columns. Next, highlight the data, then click the insert ribbon and select the scatter-plot option.

Excel returns a scatter-plot chart as shown in the attachment below.

ii)

After obtaining the scatter-plot, we shall need to add a trend line in order to determine the mathematical model that best fits the data given.

Click anywhere inside the chart, then select the design tab under chart tools. Click on the Add Chart element in the upper left corner of the excel workbook and select more trend-line options. This feature will enable us to fit any trend-line to our data.

Select any trend line option ensuring you check the boxes; Display Equation on chart and Display R-squared value on chart.

Find the attached for the various trend-lines fitted.

The mathematical model that best fits the data is;

The quadratic model

Since it has the largest R-squared value of 1.00

4 0
3 years ago
Most reasonable mass for a kitten?
OLEGan [10]
16 cubic inches or 13 oz.
8 0
3 years ago
Read 2 more answers
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