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Evgesh-ka [11]
2 years ago
12

A child's height increased from 21 to 32 inches. What was the percent increase in the child's height

Mathematics
1 answer:
iren [92.7K]2 years ago
3 0

Answer:

52.4

Step-by-step explanation:

% change = 100 x final initial/initial

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Help I do not understand
tamaranim1 [39]
\bf \begin{cases}
f(x)=\cfrac{x}{x-9}
\\ \quad \\
g(x)=\cfrac{-x}{x-3}
\end{cases}\qquad f(x)+g(x)\implies \cfrac{x}{x-9}+\cfrac{-x}{x-3}

get their LCD, like you'd with any other fractions, and add them up
5 0
3 years ago
The furniture store where Jada's sister works bought a table for $200 and sold it for $350. What percentage was the markup? I wa
nevsk [136]

Answer:

divide 350 by 200

Step-by-step explanation:

3 0
3 years ago
Which equation are equivalent to 1/5+2/3|2-x|=4/15?
disa [49]

Answer:

• 2/3|2 -x| = 1/15

• |2 -x| = 1/10

• 1/5 +|4/3 -2/3x| = 4/15

Step-by-step explanation:

Starting with the given equation, subtract 1/5 = 3/15.

(2/3)|2 -x| = 4/15 - 3/15

(2/3)|2 -x| = 1/15 . . . . . . . . matches the first choice

Now, multiply by 3/2.

|2 -x| = 3/30

|2 -x| = 1/10 . . . . . . . . . . . . matches the third choice

___

If you decide to distribute the coefficient 2/3 instead, you have

1/5 + |2·2/3 -x·2/3| = 4/15

1/5 + |4/3 -2/3x| = 4/15 . . . . matches the selected choice

5 0
3 years ago
Read 2 more answers
A) 5√160=
drek231 [11]

Answer:

a) 20\sqrt{35}

b) 7\sqrt{5}

c) 18\sqrt{2}

d) 5\sqrt{2}

e) 36\sqrt{3}

f) 72

g) 10\sqrt{3}

Step-by-step explanation:

8 0
3 years ago
What is the solution to the following system of equations?<br><br> x+y=5<br> x-y=1<br> step by step
Andreas93 [3]
x+y=5
-x -x

Equals:

y=-x+5

Now you have:

y=-x+5
x-y=1

Insert -x+5 into y

x-x+5=1

Combine like terms

2x+5=1

Subtract 5.

2x=-4

Divide 2.

Answer: x=-2

8 0
3 years ago
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