3 years ago

#4 Fill in the missing value in the table below:

Mathematics

2 answers:

CaHeK987 [17]3 years ago

6 0

Answer:

Step-by-step explanation:

Because 1 yard is equivalent to 3 feet, we multiply 18 yards by 3 to convert to feet

Radda [10]3 years ago

6 0

Answer:

Step-by-step explanation:

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Everyone shop in her favorite store target she buy T-shirts in pair of jeans that cost $20 she’s been a total of 80 or purchase

kumpel [21]

Step-by-step explanation:

so you divide

$80 \div 20 = 4$

so each t-shirt costs 4$

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2 years ago

F(x) = x4 - 9x3 - 8x2 - 9x - 2; f(-3)<br> -

NISA [10]

Answer:

Step-by-step explanation:

f(x) = x⁴ - 9x³ - 8x² - 9x - 2

f(-3) = (-3)⁴ -9*(-3)³ - 8*(-3)² - 9*(-3) - 2

= 81 - 9*(-27) - 8*9 + 27 -2

= 81 + 243 - 72 + 27 - 2

= 277

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2 years ago

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Step-by-step explanation:

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3 years ago

Roll Dice: 1,2,3,4, 5 What is the probability of rolling a number greater than 2?

algol13

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3 years ago

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If x = 2 + V3, then the value of (x + 1/x) is

ludmilkaskok [199]

Answer:

Step-by-step explanation:

Given

x + $\frac{1}{x}$ ← substitute x = 2 + $\sqrt{3}$

= 2 + $\sqrt{3}$ + $\frac{1}{2+\sqrt{3} }$

Rationalise the denominator of the fraction by multiplying the numerator/ denominator by the conjugate of the denominator.

The conjugate of 2 + $\sqrt{3}$ is 2 - $\sqrt{3}$ , thus

= 2 + $\sqrt{3}$ + $\frac{2-\sqrt{3} }{(2+\sqrt{3} )(2-\sqrt{3}) }$

= 2 + $\sqrt{3}$ + $\frac{2-\sqrt{3} }{4-3}$

= 2 + $\sqrt{3}$ + 2 - $\sqrt{3}$

= 4

6 0

3 years ago