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Sliva [168]
3 years ago
5

Simplify (y+1)^5 ÷ (y+1)^2

Mathematics
1 answer:
valentinak56 [21]3 years ago
7 0

Answer:

Step-by-step explanation:

\frac{a^{m}}{a^{n}}=a^{m-n}

\frac{(y+1)^5}{(y+1)^2}=(y+1)^{(5-2)}\\=(y+1)^{3}

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Why is 21 sqrt root an irrational number?
STatiana [176]

Answer:

Because it cannot be written as a fraction

Step-by-step explanation:

The square root of any non-perfect square will always be irrational and cannot be written as a fraction. The sqrt(21) has no repeating digits because its digits go on forever.

6 0
3 years ago
-5(20x)=100 brainliest for the first/best answer
strojnjashka [21]

Answer:

-1

Step-by-step explanation:

-100x = 100

-x = 100/100

-x = 1

x = -1

5 0
3 years ago
Read 2 more answers
How do you solve this system by elimination?
zimovet [89]
(-5x+7y=11) - (-5x+3y=19) =
4y = -8. (divide both sides by 4)

y = -2

Substitute

-5x + 7(-2) =11
-5x - 14 =11
-5x = 25

x = -5



y = -2 and x = -5
8 0
3 years ago
Mia got $80 for her birthday and spent $60. What percent of her birthday money does she have left
max2010maxim [7]

Answer:

16 percent is left

Step-by-step explanation:

20/100×80

Hope it helps!!

4 0
3 years ago
Write the equation for the parabola that has x− intercepts (1.2,0) and (4,0) and y− intercept (0,12).
zzz [600]
Equation of a parabola is written in the form of f(x)=ax²+bx+c.
The equation passes through points (4,0), (1.2,0) and (0,12), therefore; 
 replacing the points in the equation y = ax² +bx+c 
we get  0 = a(4)²+b(4) +c   for (4,0)
             0 = a (1.2)²+ b(1.2) +c for (1.2,0)
             12 = a(0)² +b(0) +c   for (0,12)
simplifying the equations we get
16a + 4b + c = 0
1.44a +1.2b + c = 0
+c = 12
thus the first two equations will be
16a + 4b = -12
1.44 a + 1.2b = -12 solving simultaneously 
the value of a = 5/2 and b =-13
Thus, the equation of the parabola will be given by;
 y= 5/2x² - 13x + 12 or y = 2.5x² - 13x + 12


3 0
3 years ago
Read 2 more answers
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