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Darina [25.2K]
3 years ago
14

So, last year the chess club had 20 members. This year the club has 15 members. Find the percent of change, and state whether th

e percent of change is an increase or decrease.
Explain.
Mathematics
2 answers:
Basile [38]3 years ago
5 0
So it is a decreace because 20 is more than 15
Vlad1618 [11]3 years ago
4 0
20 % ( not sure how to explain this ) because 5 out of 20 is equal to 20 % cause 20 +20 + 20 +20+20 equal 100 so taking 5 people off would equal to 20%
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54+3-2+1-5-4-3-2-1₁. 1 2 3 4-2w[५]-3-F10XWhich function is represented by the graph?Of(x) = -x +4O f(x) = -xl-4Of(x) = -x +41O f
Reil [10]

ANSWER :

D. f(x) = -|x - 4|

EXPLANATION :

The general equation of an absolute value function is :

f(x)=\pm a|x-h|+k

where the sign of a indicates the opening of the graph.

If it is positive, the graph opens upward

If it is negative, the graph opens downward

and the vertex is at (h, k)

From the options, the value of a is all equal to 1.

The graph opens downward, so the sign is negative

and the vertex is at (4, 0)

That will be :

\begin{gathered} f(x)=-|x-4|+0 \\ f(x)=-|x-4| \end{gathered}

7 0
1 year ago
Help me please be careful it says how to make it have no solution
pogonyaev

SOLUTION

Step1; Write out the given expression

7x-4+1-2x=Ax+B

Sep2: Solve the expression on the left hand side

\begin{gathered} 7x-2x-4+1 \\ 5x-3 \end{gathered}

Then equate to the right-hand side

5x-3=Ax+B

Therefore

\begin{gathered} A=5 \\ B=-3 \end{gathered}

The coefficient is 5

The constant is -3

4 0
1 year ago
What is the absolute value of -8.35
hodyreva [135]

Answer:

8.35

Step-by-step explanation:

To get absolute value, just make it the opposite

8 0
3 years ago
Read 2 more answers
What the answer for 1/4 x 12
coldgirl [10]
Treat 12 as 12/1 that means 12 divided into 1 part
1/4 times 12/1

multiply the top and the bottom becuase

\frac{x}{y} times \frac{z}{t} = \frac{x times z}{y times t} so

1/4 times 12/1=(1 times 12)/(4 times 1)=12/4=3/1=3

the answe ris 3
4 0
3 years ago
Solve equation by applying the distributive property to simplify both sides of the equation if needed
enot [183]

Answer:

w=15

Step-by-step explanation:

4w-36=w+9

3w=45

w=15

8 0
2 years ago
Read 2 more answers
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