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Sever21 [200]
2 years ago
5

The graph shows the functior f(x) = 2X What is the value of x when f(x) = 8?

Mathematics
1 answer:
Sonja [21]2 years ago
6 0

Answer: b

Step-by-step explanation:

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A fraternity charged $2.00 admission for dudes and $1.00 admission for ladies to their finals week bash. The fraternity made $75
lisabon 2012 [21]
<span>20 tickets for guys @ $2 = $40
35 tickets for gals @ $1 = $35
Total = 55 tickets and $75</span>
3 0
3 years ago
Select the expressions that are equivalent to 12n - 8. Select all that apply.
morpeh [17]

A.3n+4+3n+4+4n

=3n+3n+4n+4+4

=10n+8

B.11n+4+n-12

=11n+n+4-12

=12n-8

C.6(6n-2)

=36n-12

D.4(3n-2)

=12n-8

E.4n+22-12+8n

=4n+8n+22-12

=12n+10

so,B and D are the expressions that are equivalent to 12n-8.

3 0
2 years ago
Trigonometric Ratios and Unit Circles.<br> See Image Below.
Sophie [7]

Answer:

irudiwhiwhs swsw is d

Step-by-step explanation:

8349240 is your aswr 213

6 0
3 years ago
1. Kalena was asked to prove ifx(x - 1)(x + 1) = x3 - X represents a polynomial identity. She
Verdich [7]

Answer:

C. Kalena made a mistake in Step 3. The justification should state: -x²

+ x²

Step-by-step explanation:

Given the function x(x - 1)(x + 1) = x3 - X

To justify kelena proof

We will need to show if the two equations are equal.

Starting from the RHS with function x³-x

First we will factor out the common factor which is 'x' to have;

x(x²-1)

Factorising x²-1 using the difference of two square will give;

x(x+1)(x-1)

Note that for two real number a and b, the expansion of a²-b² using difference vof two square will give;

a²-b² = (a+b)(a-b) hence;

Factorising x²-1 using the difference of two square will give;

x(x+1)(x-1)

Factorising x(x+1) gives x²+x, therefore

x(x+1)(x-1) = (x²+x)(x-1)

(x²+x)(x-1) = x³-x²+x²-x

The function x³-x²+x²-x gotten shows that kelena made a mistake in step 3, the justification should be -x²+x² not -x-x²

6 0
3 years ago
A bank uses positive numbers to represent deposits and negative numbers to represent withdrawals. How would a bank represent a d
denis-greek [22]

Answer: The correct answer is A

Step-by-step explanation:

Given that positive numbers to represent deposits and negative numbers to represent withdrawals.

Choice A is the best option which is 126.40 dollars

Since it is positive

8 0
2 years ago
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