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3 years ago

I need help in this.

Mathematics

1 answer:

r-ruslan [8.4K]3 years ago

7 0

0.8333 , 1 mile

but try to make sure of it ^

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How much money should John get back when he uses $10 to pay for purchases totaling $5.25

Archy [21]

$4.75 would be the answer

3 0

3 years ago

Read 2 more answers

Please help need answer asp

Zanzabum

Since it is a 45-45-90 right triangle, the formula is:
Hypotenuse= sqrt2 * leg
Since you know hypotenuse = 9sqrt2 the leg has to be 9

7 0

4 years ago

The measures of angles of a hexagon 4x,5x,6x,7x,8x,9x.calculate the size of the largest angle.

grandymaker [24]

Answer:

166 2/13 deg

Step-by-step explanation:

The sum of the measures of the interior angles of a convex polygon of n sides is 180(n - 2).

A hexagon has 6 sides, so n = 6.

sum of measures of angles = 180(n - 2) = 180(6 - 2) = 180(4) = 720

4x + 5x + 6x + 7x + 8x + 9x = 720

39x = 720

x = 720/39

x = 240/13

The largest angle has measure 9x.

9x = 9 * 240/13 = 2160/13

2160/13 = 166 2/13

Answer: 166 2/13 deg

3 0

3 years ago

HELP Ill give brainlist

DENIUS [597]

Answer:

I think the answer is a

7 0

3 years ago

WILL MARK THE CORRECT ANSWER BRAINLIEST!<br><br> Select all the correct answers:

stepladder [879]

Answer:

B, D

Step-by-step explanation:

Solve all equations:

$x-3x=-2x+4\\ \\-2x=-2x+4\\ \\0=4$

This is false equality, so this equation has no solutions.

$x-\dfrac{1}{3}(3x)=0\\ \\x-x=0\\ \\0=0$

This equality is true for all values of x, so this equation has infinitely many solutions.

$\dfrac{1}{3}x-3=4+2x\\ \\x-9=12+6x\\ \\x-6x=12+9\\ \\-5x=21\\ \\x=-\dfrac{21}{5}$

This equation has the unique solution.

$3x+2-\dfrac{1}{3}(3x)=2+2x\\ \\9x+6-3x=6+6x\\ \\6x+6=6+6x\\ \\0=0$

This equality is true for all values of x, so this equation has infinitely many solutions.

$x-\dfrac{1}{3}x+2=0\\ \\3x-x+6=0\\ \\2x=-6\\ \\x=-3$

This equation has the unique solution.

8 0

3 years ago