3 years ago

Two equal angles of an isosceles triangle are called

Mathematics

1 answer:

Leviafan [203]3 years ago

3 0

legs

hope this helps you

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The expression sin 57° is equal to

ValentinkaMS [17]

Answer:

$cos(33^{\circ})$

Step-by-step explanation:

Given

$sin(57^{\circ})$

Required

Determine an equivalent expression

In trigonometry:

$sin(\theta)= cos(90^{\circ} - \theta)$

In $sin(57^{\circ})$

$\theta=57^{\circ}$

Substitute $57^{\circ}$ for $\theta$

in $sin(\theta)= cos(90^{\circ} - \theta)$

$sin(57^{\circ})= cos(90^{\circ} - 57^{\circ})$

$sin(57^{\circ})= cos(33^{\circ})$

Hence, the equivalent expression is: $cos(33^{\circ})$

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3 years ago

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Ainat [17]

Answer: 19/6

Step-by-step explanation:

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2 years ago

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Macys is having a sale on all shoes, if I buy a pair of boots that are $125 but are now 30% off what is the sale price of the bo

natita [175]

$87.5 because 30% of 125 is 37.5 so 125-37.5 is 87.5

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3 years ago

Solve for x <br>4^x/9^x=½<br>

kirill115 [55]

Answer:

x = 0.85476

Step-by-step explanation:

4ˣ/9ˣ=½

9ˣ / 4ˣ = 2

(9/4)ˣ = 2

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3 years ago

What is greater 3 x 1/10 plus 4 x 1/100 plus 8x 1/1000 greater than one and two tenths

Elena L [17]

So, first let's change these numbers into decimal form:
3*0.1 + 4*0.01 + 8*0.001 ? 1.2
Multiply:
0.3 + 0.04 + 0.008 ? 1.2
0.348 < 1.2
One and two tenths is larger.
Hopefully this is what you're asking, as this question is unclear

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3 years ago

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