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Doss [256]
3 years ago
10

What is x times y with the exponent 2?

Mathematics
1 answer:
Citrus2011 [14]3 years ago
8 0
When to add exponents<span>, when to multiply </span>exponents<span>. Same ... Two factors of </span>x<span> -- </span>x2<span> -- </span>times<span> five factors of </span>x<span> -- </span>x5<span> -- </span>times<span> one factor of </span>x, .... (2x3y4)5<span> = </span>25x15y<span>20</span>
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The sum of two-sevenths of a number and 3 is 9. Can you please write out into an equation&gt;~
serg [7]

Answer:

2/7x +3=9

x=21

Step-by-step explanation:

Let the unknown be x.

Take 3 to the other side so: 2/7 multiplied by x= 6

Divide 6 by 2/7 to get the answer;

Therefore x=21

Sub back into equation to check answer.

4 0
3 years ago
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Using the factoring process, what constant is added to the RIGHT side of the quadratic equation 2x2? 9x ___ = ?9 ___ in order to
IgorC [24]
Normally you would only solve by completing the square if a is 1 and b is even. But the answer would be half of b. So half of 9 is 4.5 or 4(1/2).
3 0
3 years ago
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1.
cluponka [151]

Answer:

Probably c

Step-by-step explanation:

Tbh

6 0
3 years ago
At $13.35 per pound, what is the value of 4 pounds of crab legs
Dmitry_Shevchenko [17]
$53.40 is 4lb of crab legs
Bro you just gotta multiply $13.35x4=$53.40
7 0
3 years ago
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The walking distance that is saved by cutting across the lot is
dezoksy [38]
Using the Pythagorean Theorem, we have x^2+(x+2)^2=51^2, and
x^2+ x^2+4x+4=2x^2+4x+4=51^2. After that, we subtract 51^2 from both sides to get 2x^2+4x-2597. Using the quadratic formula (x=(-b+-sqrt(b^2-4ac))/2a in ax^2+bx+c), we get around 35 for x. We did + instead of minus after b due to that it can't be negative! x+2=37, so you save 35+37-51=around 21 feet
8 0
3 years ago
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