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Arlecino [84]
3 years ago
12

Estimate √53 between two numbers to the tenths place.

Mathematics
1 answer:
uysha [10]3 years ago
7 0

Answer:

√53 lies between 7.2 and 7.3

Step-by-step explanation:

To estimate the √53 between two numbers to the tenths place, the steps include

1.) Identify perfect squares that bound the number 53: 7² = 49 and 8² = 64

2.) Estimate between two whole numbers: between 7 and 8

3.) Determine the closer whole number: the root is closer to 7 because 53 is closer to 49 than to 64.

4.) Find the squares of tenths:

7.1²= 50.41

7.2²= 51.84

7.3²= 53.29

7.4²= 54.76

Hence, it is evident that √53 lies between 7.2 and 7.3

It is also clear that the required square root is closer to 7.3 than 7.2 though.

Hope this Helps!!!

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Makovka662 [10]

Answer:

<u>For the graph in the top-left corner, the ?? = 0.25</u>

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slope = (2-1)/(8-4)

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The equation of a line is y = mx + b and if you were to place 0.25, or 1/4, in place of m (the slope) and 1 in the place of x since it is the x value, and multiply, you would end up with 0.25.

This also gives you the answer to your next two questions.

<u>The one in the top-right corner is $0.25 per pencil.</u>

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8 0
3 years ago
2
rusak2 [61]

Answer:

(1.13, 7.74) and (-4.13, 18.26)

Step-by-step explanation:

This can be solved in two ways:  mathematically and graphically.

<u>Graphing</u>

Plot both lines and find where they intersect.  See the attachment.

The intersection points are (1.13, 7.74) and (-4.13, 18.26)

<u>Mathematical</u>

y + 2x = 10

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3x² + 9x - 14 = 0

Solve this using the quadratic equation:

x = 1.13 and -4.13

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y = 10 - 2x

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y = 10 -2x

y = 10 -2(-4.13)

y =  18.26

The two points are:

(1.13, 7.74) and (-4.13, 18.26)

7 0
2 years ago
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