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3 years ago

Need help ASAP. Last two problems on my study guide, can't seem to solve them?

Mathematics

1 answer:

Dimas [21]3 years ago

4 0

Answer:

9) 4

10) p¹⁵/q⁹

Step-by-step explanation:

As per the law of indices, (xᵃ)ᵇ=xᵃᵇ.

So divide 8 by 2 to get 4

10)

p(p⁻⁷q³)⁻²q⁻³

p(p¹⁴q⁻⁶)q⁻³ (because (xᵃ)ᵇ=xᵃᵇ)

pq⁻³(p¹⁴q⁻⁶)

p¹⁵q⁻⁹

p¹⁵/q⁹ (because x⁻ᵃ =1 /xᵃ)

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PLS HELP

kogti [31]

Answer:

C = -5

Step-by-step explanation:

Functions

F(x) is defined as:

$\displaystyleF(x)=\frac{C-x}{D-x}$

We know F(-2) is undefined. It comes from the fact that the denominator is 0 for this value of x, thus:

D - (-2) = 0

Solving:

D = -2

Substituting:

$\displaystyleF(x)=\frac{C-x}{-2-x}$

We also know F(-1) = 4:

$\displaystyle \frac{C-(-1)}{-2-(-1)}=4$

$\displaystyle \frac{C+1}{-2+1}=4$

$\displaystyle \frac{C+1}{-1}=4$

Multiplying by -1

C + 1 = -4

Solving for C:

C = -5

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3 years ago

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3 years ago

What is the height of an iscocles trapizoid, if the lengths of its bases are 5m and 11m and the length of a leg is 4m?

dsp73

Answer:

x=√5

Step-by-step explanation:

Use the pythagorean theorem

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3 years ago

What does this equal?

REY [17]

Answer: No solution? Maybe I’m unsure now :/

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3 years ago

Solve by factoring x^2 + 8x =9

Helen [10]

Answer:

$x=-9,\:x=1$

Step-by-step explanation:

$x^2+8x=9\\x^2+8x-9=0\\(x+9)(x-1)=0\\x=-9,\:x=1$

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2 years ago