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Molodets [167]
3 years ago
8

joe measured a brick using a ruler with centimeters and got 9 cm. he then measured the same brick using a ruler with millimeters

and got 90 mm. are these measurements equivalent?
Mathematics
1 answer:
max2010maxim [7]3 years ago
8 0

Answer:

yes

Step-by-step explanation:

1 cm=10mm. if 1cm=10mm what about 9cm

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Frequent food questionnaires (FFQ) are a simple way to obtain information on the foods individuals consume by asking them questi
Ilia_Sergeevich [38]

Answer:

Asnwer is A

Step-by-step explanation:

since the correlation between the FFQ and DR is 0.89

      x                            y               xy                    x^{2}                            y^{2}

    8.26                      1.68          13.8768          68. 2276          2.8224

     0.83                      0               0                    06889                  0

     20.13                   15.1           303.963          405.2169          228.01

      11.16                   7.49          83.5884          124.5456           56.1001

      7.18                    12.84         92.1912            51.5524            164.8656

       1.76                       0                0                   3.0976                 0

     22.46                  25.06        567.8596        513.4756           628.0036

-----------------------------------------------------------------------------------------------------------

       ∑x_{i} =                 ∑y_{i} =              ∑x_{i} y_{i}=               ∑x_{i}^{2} y_{i}^{2}=             ∑y_{i} ^{2}=      

      71.98                   62.17         1061.479            1166.8046      1079.8017  

-------------------------------------------------------------------------------------------------------------

Correlation Coefficient or Pearson Correlation is given by:  

the rest calculation is in the attached image

3 0
3 years ago
Simplify the ratio 24/56
Brrunno [24]
How to solve:
Step 1 :  Note down the given ratio from the questions.

Step 2 :  <span>Find the greatest common factor, and divide the numerator and denominator by that value.
Answer: 3:7</span>
7 0
3 years ago
9: Part A The diameter of a circle is 63 centimeters. ​Find its circumference. ​Use π=3.14. ​ A 31.5 centimeters B 98.91 centime
BaLLatris [955]
Part A:
The circumference of the circle is 197.92.

Explanation:
The formula for circumference of a circle is C=2 πr. If you insert the numbers, it would be C=2 x 3.14 x 31.5. Hence, the answer is 197.92.

Part B:
The area is 3117.25 square cm.

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6 0
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Solve this system to determine the number of solutions 7x + 12 = 2(x + 6)
gladu [14]

One solution, the answer is x = 0.

4 0
2 years ago
The population of Small town in the year 1890 was 6,250. Since then, it has increased
Margarita [4]

Answer:

6097

Step-by-step explanation:

6,250 + 3.75% =

6,484.375

6,484.375 - 6,250 =

234

1,000,000 - 6,250 =

993,750

993,750 / 234 =

4,247

1890 + 4,247 =

6097

8 0
2 years ago
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