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3 years ago

Find area of polygon

Mathematics

1 answer:

In-s [12.5K]3 years ago

4 0

Answer: 74

Step-by-step explanation:

48+75+25/2

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How do you solve 10+5(3x-4)=2x+7

Taya2010 [7]

Answer:

$x=1\dfrac{4}{13}$

Step-by-step explanation:

Given the equation

$10+5(3x-4)=2x+7$

Use distributive property:

$10+5\cdot 3x-5\cdot 4=2x+7\\ \\10+15x-20=2x+7$

Use commutative property to rewrite the equation:

$15x+10-20=2x+7$

$15x-10=2x+7$

Add 10 th both sides:

$15x-10+10=2x+7+10\\ \\15x=2x+17$

Subtract $2x:$

$15x-2x=2x+17-2x\\ \\13x=17$

Divide by 13:

$x=\dfrac{17}{13}=1\dfrac{4}{13}$

4 0

3 years ago

The distance between the cities Atlanta and Indianapolis is 540 miles. A motorcycle's speed is 48 mph. For a car it takes 2.25 h

lyudmila [28]

Answer:

5 hours

Step-by-step explanation:

A motorcycle will complete the 540 mile trip in 11.25 hours

And the car will complete it 2.25 hours less, i.e 11.25 -2,25 = 9 hours.

then,

Speed of the car:

60t + 48t = 540

108t = 540

If you Divide both sides by 108 we get t = 5

So, they will meet in 5 hours,

6 0

3 years ago

The 5 players on the basketball team have a mean height of 141 cm. The heights of 4 of the players are listed below. The height

joja [24]

$\frac{137+150+144+149+x}{5} =141$

$x=125$

Therefore, the man is shorter than 141 centimeters.

7 0

2 years ago

Please help me write this equation

tatuchka [14]

The answer is, y = -1/3 - 3

5 0

3 years ago

Solve for n<br><br><br> 8+8+n-4=3n-2n

____ [38]

Answer:

No solution

Step-by-step explanation:

8+8-4 = 12

12+ n = 3n-2n

3n-2n

12+n3n-2n

subtract n on both sides

12=0n

This makes it no solution

8 0

3 years ago