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mel-nik [20]
3 years ago
7

PLEASE I NEED HELP WITH THIS!!!! Domain! I WILL MARK U AS THE BEST!

Mathematics
1 answer:
vichka [17]3 years ago
7 0

Answer:

c

Step-by-step explanation:

big brain and the world is not

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Look at the Schoology problem provided below.
lys-0071 [83]

Answer:

k = 4 units

Step-by-step explanation:

Using Pythagoras' identity on the right triangle.

The square on the hypotenuse is equal to the sum of the squares on the other 2 sides, that is

k² + 7.5² = 8.5²

k² + 56.25 = 72.25 ( subtract 56.25 from both sides )

k² = 16 ( take the square root of both sides )

k = \sqrt{16} = 4

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3 years ago
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HELP ASAP ILL GIVE A BRAINLISET
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Step-by-step explanation:

8 0
2 years ago
Solve this system of equations by elimination:<br><br> 8x+9y=48<br> 12x+5y=21
Olin [163]

Answer:

Let's solve your system of equations by elimination.

8x+9y=48;12x+5y=21

Steps:

Multiply the first equation by 5,and multiply the second equation by -9.

5(8x+9y=48)

−9(12x+5y=21)

Becomes:

40x+45y=240

−108x−45y=−189

Add these equations to eliminate y:

−68x=51

Then solve−68x=51for x:

−68x /−68 = 51 /−68  (Divide both sides by -68)

x=  −3 /4

Now that we've found x let's plug it back in to solve for y.

Write down an original equation:

8x+9y=48

Substitute

−3 /4

8x+9y=48:

8( −3 /4 )+9y=48

9y−6=48 (Simplify both sides of the equation)

9y−6+6=48+6 (Add 6 to both sides)

9y=54

9y /9  =  54 /9  (Divide both sides by 9)   y=6

<em><u>Answer:  x=  −3 /4  and y=6</u></em>

Hope This Helps!  Have A Nice Day!!

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3 years ago
16. Jason leaves Detroit at 2: 00 PM and drives at a constant speed west along I-94. He passes Ann Arbor, 40 mi from Detroit, at
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at 2: 00 PM constant speed may 4:00 constant speed

Step-by-step explanation:

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2 years ago
What happens when an inequality expression is divided by the same number. Does the sign stay the same each time or change direct
irga5000 [103]
The sign only changes when divided or multiplied by a negative number.
7 0
3 years ago
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