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Svetradugi [14.3K]
3 years ago
14

What number is multiplied 4 times to get 81

Mathematics
2 answers:
nataly862011 [7]3 years ago
7 0
Your answer is 3

Why? Because 3^4 is 81

same as saying 3 x 3 x 3 x 3=81 :)
trapecia [35]3 years ago
4 0
3 to the power of 4 is 81
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Calculate the length of x.
Naya [18.7K]

Answer:

B

Step-by-step explanation:

Use the pythagorean theorem to find the hypotenuse. You can do this by squaring 12 and 11 (separately) and then adding those together. You'll get 265. However, since this is c squared and not c, you have to find the square root for the correct answer. The square root of 265 is approximately 16.28. Hope this helps!

6 0
3 years ago
On which number line are −4 and its opposite shown?
Natasha2012 [34]

Answer:

it is D because it is asking for the opposite of -4 so it would be the tick mark on -4 and 4

Step-by-step explanation:

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2 years ago
 Mr. Elmore's favorite candy is skittles and his favorite flavor combination is lemon & lime. He has a jar of skittles with
jasenka [17]

Answer:

I'm not really sure but it's 30% yellow and 15% green soo or it is 45% or 15% but idk (i don't know if i helped you but that's what I try to do.

3 0
3 years ago
Solve the equation for y.<br> 2x + 5y = 5<br> y=x +1<br> y= -10% + 25<br> y=22+1<br> y=x +5
Elena-2011 [213]

Answer:

y=-2/5x+1

y=x+1

y=249/10

y=23

y=x+5

Step-by-step explanation:

Let's solve for x.

y=x+5

Step 1: Flip the equation.

x+5=y

Step 2: Add -5 to both sides.

x+5+−5=y+−5

x=y−5

Answer:

x=y−5

4 0
3 years ago
lily bought 6 skirts and 5 coats for a total of $452.62. if lily sister bought 3 skirts and 5 coats for $289.36, what was the pr
Vikentia [17]

Answer:

$26.02

Step-by-step explanation:

Let the price of a skirt be A and that of coat be B

Iilly bought 6 skirts and 5 coats for a total of $452.62

That’s

6A + 5B = 452.62

Also, Lilly’s sister bought 3 skirts and 5 coats for $289.36

That’s

3A + 5B = 289.36

We now have two equations

1 . 6A + 5B = 452.62

2. 3A + 5B = 289.36

Subtract equation two from equation one

We have

3A = 163.26

Divide both sides by 3

3A/3 = 163.26/3

A = 54.42

A = $54.42

Now substitute 54.42 for A in either equations to get B the price of a coat

Using equation one, we have

6A + 5B = 452.62

6 x 54.42 + 5B = 456.62

326.52 + 5B = 456.62

Subtract 326.52 from both sides

326.52 - 326.52 + 5B = 456.62 - 326.52

5B = 130.1

Divide both sides by 5

5B/5 = 130.1/5

B = 26.02

= $26.02

A coat cost $26.02

3 0
3 years ago
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