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2 years ago

Given that AB is a line segment and the angle a = 75°, work out the value of x.

Mathematics

1 answer:

jenyasd209 [6]2 years ago

7 0

Answer:

x = 21

Step-by-step explanation:

given : angle a = 75

we need to find the value of x.

To find the value of x.

we know that it is a straight angle so the sum of angles on a line will be 180

3x + 2x + a = 180

5x + 75 = 180

5x = 180 - 75

5x = 105

x = 105/5

x = 21

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If two angles are complementary, and one angles measures 36 degrees, what is the measure of the other angle?

Alex777 [14]

Answer:

Measure of the other angle is equal to $144$ °.

Step-by-step explanation:

An angle is formed by two rays or lines or line segments that share the same vertex.

Two angles are said to be complementary if their sum is $180$ °.

Measure of one angle is equal to $36$ °.

Let measure of another angle be $x$

Therefore,

$x+36=180\\x=180-36$

$x=144$ °

So, measure of the other angle is equal to $144$ °.

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3 years ago

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Anna11 [10]

Answer:

The amount lost over the 3 years s 2567.25£

Explanation:

$\mathrm{F}=\mathrm{I} \times\left(1-\left(\frac{r}{100}\right)\right)^{\mathrm{n}}$

where F = final value after n years

I = initial value of the car in 2017 = £18000 (given)

Since the value is depreciated 5% every year for 3 years,

r = percentage rate of depreciation = 5% (given)

n = 3 years

Substituting these values in formula, we get

$\mathrm{F}=18000 \times\left(1-\frac{5}{100}\right)^{3}$

= $18000 \times\left(\frac{95}{100}\right)^{3}$

= 15432.75£ which is the value of the car after 3 years

Finally 18000-15432.75 = 2567.25£ is the amount lost over this period.

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3 years ago

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Alika [10]

The best answer is A. because the X is -4 and y is approximately 2.5

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Answer:

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Also,

$\sqrt 9.\sqrt 6$

$\sqrt {27}.\sqrt 2$

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3 years ago

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