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Lena [83]
3 years ago
12

Jamal simplified ...

Mathematics
1 answer:
brilliants [131]3 years ago
4 0
\bf \sqrt{75x^5y^8}\qquad 
\begin{cases}
75=3\cdot 25\\
\qquad 3\cdot 5^2\\
x^5=x^{4+1}\\
\qquad x^4x^1\\
\qquad (x^2)^2x\\
y^8=y^{4\cdot 2}\\
\qquad (y^4)^2
\end{cases}\implies \sqrt{3\cdot 5^2\cdot (x^2)^2x(y^4)^2}
\\\\\\
5x^2y^4\sqrt{3x}
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The school ski club went on a ski trip. The ski changed the group $1120 for 32 lift tickets. How much was each ticket?​
katen-ka-za [31]

Answer:

$35 per ticket

Step-by-step explanation:

1120 divided by 32 is 35, I used a calculator. If you divide the cost by the quantity you will get the cost for one quantity

3 0
3 years ago
What equation passes through (0,5) and (-4,-1)
kogti [31]

Answer: y = 3/2x + 5

Step-by-step explanation:

Find the slope/gradient:

\frac{-1-5}{-4-0} = \frac{-6}{-4} = \frac{3}{2}

Plug in a point to the equation:

5 = \frac{3}{2}(0) + b

Solve for b:

5 = b

New equation:

y = \frac{3}{2}x + 5

7 0
3 years ago
Within 11 years, the age of Peter will be half the square of the age he was 13 years ago. Calculate the current age of Peter. Re
OLga [1]

Answer:

21

ctto JBarnum

Step-by-step explanation:

P+11=(1/2)(P-13)^2

P+11=(1/2)(P^2-26p+169)

2(P+11)=(1/2)(2)(P^2-26p+169)

2P+22=P^2-26p+169

0=P^2-28p+147      ( -7 and -21)

(P-7)(P-21)=0

P=7,21                     (cant be 7 as 13 years from 7 is negative so peter is 21)

checking:

21+11=32

32=(1/2)(21-13)^2

32=(1/2)(8)^2

32=(1/2)64

32=32

correct

4 0
3 years ago
Expand the brackets 5(2x + 3)
zimovet [89]

Answer:

10x+15

Step-by-step explanation:

5 x 2x=10x

5x3=15

5 0
3 years ago
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Multiply 5(−37). Simplify your answer.
crimeas [40]
-2 1/7 is the correct answer.
5 0
3 years ago
Read 2 more answers
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