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schepotkina [342]
3 years ago
7

Determine if the equation is linear. 2x+y=4

Mathematics
1 answer:
Kazeer [188]3 years ago
3 0
Answer:
Yes is linear because there is a constant rate of change this is also a function
Slope intercept for is y = -2x+4
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Circle O has a circumference of 36tt cm. what is length of the radius r
allochka39001 [22]

Answer:

5.73cm

Step-by-step explanation:

Given parameters:

Circumference of the circle = 36cm

Unknown

Length of the radius = ?

Lets represent the radius by r

Solution

The circumference of a circle is the defined as the perimeter of a circle. The formula is given as:

            Circumference of a circle = 2πr

Since the unknown is r, we make it the subject of the formula:

           r = \frac{circumference of the circle}{2π}

          r = \frac{36}{2 x 3.142} = \frac{36}{6.284} = 5.73cm

3 0
3 years ago
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Ms. Davenport's class studied the changes in temperature in math class as a part of their study of rational numbers.
Simora [160]

Answer:

D

Step-by-step explanation:

If it was 6 degrees cooler on Monday than it was on Sunday, but also having Tuesday be 4 degrees warmer than Monday, Wednesday would have to be 2 degrees cooler than Tuesday because it is a number that would comply with the limits  

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3 years ago
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A train is 300 meters long. A tunnel is 2900 meters long. The train travels at 600 meters per min. How long is the time between
sattari [20]

ANSWER: 5 minutes 20 seconds

WORK: entire train to get out of tunnel - 2900+300 = 3200 meters till it's out

at 600 meters per minute ...3200/600 = 5 1/3 = 1/3 of a minutes is 20 seconds

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If m<mkl=83. m<jkl=127. and m<jkm=(9x-10). find the value of x
kirza4 [7]

MKL = 83, JKL = 127, JKM = 9x - 10        <em>given</em>

JKL + MKL = JKM                                    <em>angle addition postulate</em>

127 +  83  = 9x - 10                                 <em>substitution</em>

       210   = 9x - 10                                  <em>simplify (add like terms)</em>

       220  = 9x                                          <em>addition property of equality</em>

        \frac{220}{9} = x

3 0
3 years ago
A bottle contains a label stating that it contains pills with 500 mg of vitamin C, and another bottle contains a label stating t
nevsk [136]

Answer:

Step-by-step explanation:

Rejection of aspirin argument is more dangerous because the incorrect dosage of aspirin may cause more severe adverse reactions than the incorrect dosage of vitamin C. It would be prudent to use a lower level of significance to test the aspirin argument.

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