2 years ago

Expand and simplify (x-1)(x-1)

Mathematics

1 answer:

sleet_krkn [62]2 years ago

6 0

(x-1)(x-1)

x²-x-x+1

x²-2x+1

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Type the correct answer in the box. Round your answer to the nearest integer.

umka21 [38]

Answer:

m∠ADC = 132°

Step-by-step explanation:

From the figure attached,

By applying sine rule in ΔABD,

$\frac{\text{sin}(\angle ABD)}{\text{AD}}=\frac{\text{sin}(\angle ADB)}{AB}$

$\frac{\text{sin}(120)}{35}=\frac{\text{sin}(\angle ADB)}{30}$

sin(∠ADB) = $\frac{30\text{sin}(120)}{35}$

= 0.74231

m∠ADB = $\text{sin}^{-1}(0.74231)$

= 47.92°

≈ 48°

m∠ADC + m∠ADB = 180° [Linear pair of angles]

m∠ADC + 48° = 180°

m∠ADC = 180° - 48°

m∠ADC = 132°

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2 years ago

Worth 50 points!!! The equation A = r(<img src="https://tex.z-dn.net/?f=%20%5Cfrac%7BC%7D%7B2%7D%20" id="TexFormula1" title=" \f

jasenka [17]

Times both sides by 2
2A=rC
divide both sides by r
$C= \frac{2A}{r}$

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2 years ago

126.4% of what number is 158?

Maksim231197 [3]

126.4% of 158 = 199.712

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2 years ago

Given that f(x)=x+9 and g(x)=4x Evaluate: a) fg(2) b) gf(2)

Elina [12.6K]

Answer:

f(x)=11

g(x)=8

Step-by-step explanation:

f(x)=(2)+9=11

g(x)=4(2)=8

BRAINLIEST PLEASE

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