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3 years ago

HELP ASAP WILL MARK BRAINLIEST

Mathematics

1 answer:

liberstina [14]3 years ago

7 0

Angle 1= 55°
you can find this by doing 180-125=55
you get the 180 because angle 1 and 2 are on a straight line and there’s a line in between that creates the angles. a straight line is always 180°
anyways the answer is 55°

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Instructions: Use the ratio of a 30-60-90 triangle to solve for the variables.

Pepsi [2]

Answer:

$x=20$

$y=10\,\sqrt{3}$

Step-by-step explanation:

In the triangle we have the following trigonometric equations:

$tan(60^o)=\frac{opposite}{adjacent} \\\sqrt{3} =\frac{y}{10} \\y=10\,\sqrt{3}$

and also:

$cos(60^o)=\frac{adjacent}{hypotenuse}\\\frac{1}{2} =\frac{10}{x}\\x=20$

8 0

3 years ago

Problem number 26 of the Rhind Papyrus says: Find a quantity such that when it is added to StartFraction 1 Over 4 EndFraction of

Rzqust [24]

Answer:

x=12

Step-by-step explanation:

For the given situation , a quantity x is added to $\frac{1}{4} x$ gives 15.

We can set up equation as

$x+\frac{1}{4}x=15$

Multiply each term by 4 on both sides to get rid the denominator.

It gives,

4 x+x=60

Now, combine like terms

5 x=60

Divide both sides by 5

x=12.

6 0

4 years ago

5th grade math. correct answer will be marked brainliest

Lelechka [254]

Answer:

Step-by-step explanation:

6 0

3 years ago

Read 2 more answers

HELP ASAP!!

mr Goodwill [35]

C I believe hope this is correct :)

3 0

3 years ago

Read 2 more answers

The area of a circle is 28.26 square kilometers. What is the circles diameter

irinina [24]

Answer:

6km

Step-by-step explanation:

Area of circle = πr²

Where r = radius, π= 3.14, A = 28.26km²

A = 3.14 x r²

3.14 r2 = 28.26

Divide both sides by 3.14

r²= 28.26/3.14

r² = 9

Square root both sides

r= √9

r= 3

Radius = 3km

Note : Diameter = 2 x radius

Diameter = 3 x 2

Diameter = 6km

I hope this was helpful, Please mark as brainliest.

7 0

3 years ago