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Igoryamba
2 years ago
14

3. For what value of x is

Mathematics
1 answer:
liraira [26]2 years ago
7 0

Answer:

3. x=7

4. f(4)= -24

Step-by-step explanation:

2. Since the bases are equal, equate the powers;

2x+3=17

2x=14

x= 14/2

x=7

3. Putting x as 4 in the function

=3(4²) - 4[3(4) + 6]

=3(16) - 4(12+6)

=3(16) - 4(18)

=48 - 72

f(4) = -24

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Katarina [22]

Answer:

You can not divide by zero.

The inequality is equivalent to - 20.2 > 0 which is false.

Step-by-step explanation:

We can not divide both sides by zero, because if we divide both sides by zero, then the inequality becomes

- \frac{20.2}{0} > y

⇒ - ∞ > y, which is not possible.

Again, the given inequality is - 20.2 > 0 × y.

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Hence, the inequality becomes - 20.2 > 0.

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4 0
3 years ago
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Step-by-step explanation:

Step 1: Multiply both sides by y.

xy−5=yz

Step 2: Add -yz to both sides.

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y(x−z)=5

Step 5: Divide both sides by x-z.

y(x−z)x−z=5x−z

y=5x−z

5 0
3 years ago
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