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Aleonysh [2.5K]

2 years ago

14

Find the measure of an angle such that the difference between the measures of its supplement and nine times its complement is 5

0°

1 answer:

zaharov [31]2 years ago

8 0

Answer:

130°

Step-by-step explanation:

90° ± 90° = 180°

180° - 50° = 130°

130°

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Which expression can be used to approximate the expression below,for all positive number a,b and x where a =/ 1 and b=/ 1

rodikova [14]

Answer:

The correct option is 1.

Step-by-step explanation:

The given expression is

$log_ax$

The value of a is 1 and the value of b is 1.

According to the logarithm property,

$log_mn=\frac{log_pm}{log_pn}$

Using this property, we get

$log_ax=\frac{log_bx}{log_ba}$

The required expression is $\frac{log_bx}{log_ba}$ .

$log_1x=\frac{log_1x}{log_11}$

$log_1x=log_1x$ $[\because log_aa=1]$

Left hand side is equal to the right hand sides, therefore option 1 is correct.

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2 years ago

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Aleonysh [2.5K]

The correct answer is 44.4%

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2 years ago

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Evaluate the dot product of (7, 5) and (- 5, 4)

melamori03 [73]

Answer:

The dot product of (7,5) and (-5,4) is -15

Step-by-step explanation:

Given

(7,5) and (-5,4)

Required

Determine the dot product

Dot product is calculated using the following formula;

$a.b = {a_1b_1+a_2b_2+...+a_nb_n}$

Let a = (7,5) and b = (-5,4);

The above formula becomes

$a.b = {7*-5+5*4}$

$a.b = {-35+20}$

$a.b = {-15}$

Hence, the dot product of (7,5) and (-5,4) is -15

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Marina86 [1]

0.75 is greater then 7/8

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Answer:

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Step-by-step explanation:

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