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PilotLPTM [1.2K]
3 years ago
7

If 3 inches equals 20 miles on map, how many inches is 72 miles?

Mathematics
1 answer:
Vsevolod [243]3 years ago
5 0

Answer:

10.8 inches

Step-by-step explanation:

72/20=3.6

3.6*3=10.8

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A=1/2 (2x + 4) (6x + 4) solve using FOIL
boyakko [2]
A = 1/2 (12x² + 8x + 24x + 16)
A = 1/2 (12x² + 32x + 16)
A = 6x² + 16x + 8


-----------------------------------------------------------
Answer: 6x² + 16x + 8
-----------------------------------------------------------

7 0
3 years ago
1. Graph the system of inequalities.
Tamiku [17]

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3 years ago
12. Find the measure of each interior angle of triangle QRT.
Veseljchak [2.6K]

Answer:

\angle QRT=125.6\°

\angle RTQ=6.4\°

\angle TQR=48\°

Step-by-step explanation:

It is important to remember that, by definition, the measure of an exterior angle of a triangle is equal to the sum of the measures of the two non-adjacent interior angles.

In this case we can idenfity that the angle 17x is an exterior angle of the triangle QRT. Then:

17x=\angle RTQ+\angle TQR

Where:

\angle RTQ=2x\\\\\angle TQR=48\°

Substituting values and solving for "x", we get:

17x=2x+48\\\\17x-2x=48\\\\15x=48\\\\x=3.2

Then:

17x=17(3.2)=54.4\°\\\\\\\angle RTQ=2(3.2)=6.4\°

The sum of the interior angles of a triangle is 180°, therefore:

\angle QRT+\angle RTQ+\angle TQR=180

Solving for \angle QRT, we get:

\angle QRT=180-48-6.4=125.6\°

8 0
3 years ago
What is the slope of the line graphed below
Nat2105 [25]

Answer:

mx + y = c slope = - 4 and y - intercept = 2 , then the equation of line is mx + y = c .

Step-by-step explanation:

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3 0
3 years ago
HOW MANT FEET ARE IN 5 YARDS
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Answer:

15 feet

Step-by-step explanation:

a yard is equal to three feet

4 0
3 years ago
Read 2 more answers
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