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slamgirl [31]
3 years ago
14

Use the diagram show to calculate m

Mathematics
1 answer:
solniwko [45]3 years ago
4 0

Answer:

131 degrees

Step-by-step explanation:

Angle PNA is 180-149 which is 31 from supplementary angles.

Angle APN is 162 - 31 which is 131 from exterior angles. We were able to find this since an exterior angle of a triangle is just the sum of the other two angles in the triangle combined.

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Step-by-step explanation:

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4 0
3 years ago
What is the answer to vthis problem ??? 10 − 4m + 7m = m − 10
Wittaler [7]

Answer:


Step-by-step explanation:

10   -   4m     +    7m    =    m     -   10

Simply both sides:

10    +     -4m   +  7m  =   m   +     -10

Combine like terms:

( -4m  +  7m)   +  (10)   =   m   -   10

3m  +   10   =   m   -10

3m  +   10   =     m   - 10

Subtarct  m from both sides:

3m  +  10   -  m   =  m  - 10   -  m

2m   +   10  =   -10

Subtract   10 from both sides:

2m   +  10  - 10   =      -10    -    10

2m    =    -20

Divide  both sides by the 2:

2m/2     =     -20/2

m     =     -10



<u>Answer    =====>     m     =       -10</u>



Hope that helps           : )     -P-

4 0
3 years ago
There are 2,100 bacteria in a circular petri dish. The dish has a radius of 40 millimeters. What is the approximate population d
Alexxx [7]
A petri dish is simply a circle; thus, we use the formula of the area of the circle which is <span>πr^2. 
Given r = 40 mm
A = </span>π(40)^2 = <span>5026.55 sq. mm
</span>
Population density = bacteria count / area
PD = 2,100 / <span>5026.55
PD = </span><span>0.417782 bacteria / mm sq.

Therefore, the answer is approximately 0.418 </span><span>bacteria per square millimeter.</span>
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4 years ago
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What is the value of x to the nearest degree?
Elanso [62]

Answer:

The value of x is x=32°.

7 0
3 years ago
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