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lesantik [10]
3 years ago
7

Anybody please help me with this.... I have a very important grade relying on this

Mathematics
2 answers:
Margaret [11]3 years ago
5 0
5. 11
...................................

Anon25 [30]3 years ago
3 0
Five is 11 and negative 11 because double negative equals a positive
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Find all zeros of ƒ(x) = 2x^4 – 72x^2. Then determine the multiplicity at each zero. State whether the graph will touch or cross
AleksandrR [38]

Answer: See below

Step-by-step explanation:

<u>To find the factor,</u>

f(x) = 0

\begin{aligned}&2 x^{4}-72 x^{2}=0 \\&2 x^{2}\left(x^{2}-36\right)=0 \\&x^{2}\left(x^{2}-36\right)=0 \\&x \times x \times(x-6) \times(x+6)=0 \\&\mathrm{x}=0,0,6,-6\end{aligned}

<u>So,</u>

x = 0 multiplicity 2

x = -6 multiplicity 1

x = 6 multiplicity 1

For an even multiplicty, the graph touches the x-axis, and for an odd multiplicty, the graph crosses the x-axis

<u>Therefore,</u>

x = 0 multiplicty 2, Touch

x = -6 multiplicty 1, Cross

x = 6 multiplicty 1, Cross

7 0
2 years ago
Translate this sentence into an equation.
mestny [16]

Answer:

d-12=41

Step-by-step explanation:

If his age subtracted by 12 equals 41,you would set the equation up by subtracting 12 from d,which is Diego's age,equal to 41.

6 0
2 years ago
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Work out the percentage change to 2 decimal places when a price of £210 is decreased to £198.
r-ruslan [8.4K]

Answer:

5.71%

Step-by-step explanation:


8 0
3 years ago
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Correct answers only please! I keep losing points...
Vedmedyk [2.9K]

Answer:

A = $ 7,299.92

A = P + I where

P (principal) = $ 6,000.00

I (interest) = $ 1,299.92

Step-by-step explanation:

A = P(1 + r/n)nt

Where:

A = Accrued Amount (principal + interest)

P = Principal Amount

I = Interest Amount

R = Annual Nominal Interest Rate in percent

r = Annual Nominal Interest Rate as a decimal

r = R/100

t = Time Involved in years, 0.5 years is calculated as 6 months, etc.

n = number of compounding periods per unit t; at the END of each period

7 0
2 years ago
In the following figure, line DG is tangent to point A at F; line EC and line EH are tangent segments. If CE = 18, find HE.
gogolik [260]
<span>lengths of tangents drawn from an external point are equal  </span>⇒ 
HE = CE = 18 units.
8 0
3 years ago
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