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3 years ago

An isosceles triangle with base 12mm and perimeter 28mm

Mathematics

1 answer:

olga55 [171]3 years ago

5 0

Answer:

Side lengths of 12,8,8

Step-by-step explanation:

In an isosceles triangle the base is different from the other 2 sides which are the same so

28=12+2x (x being the side of the repeat sides)

14=6+x (divide both sides by 2)

8=x (subtract 6 from both sides) so

Side lengths of 12,8,8

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3 years ago

Read 2 more answers

Graph -3x + 9y = -27

Svetllana [295]

Answer:

Step-by-step explanation:

The first step you want to do is get one variable by itself. We are going to start by isolating y by itself.

-3x + 9y = -27

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By isolating y by itself, you now have a function written in slope-intercept form. To graph this function, you can draw a point at (0,-3), then use rise/run to go up 1 unit and over 3 units to the next point (3,-2). You can then draw a line based on this information.

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3 years ago

The sine ratio of an angle is the opposite side over the adjacent side.

Agata [3.3K]

Answer:

never

Step-by-step explanation:

In a right triangle, every angle has an opposite side and an adjacent side. And there's always a hypotenuse.

The sine of an angle is the ratio of the length of the opposite side divided by the length of the hypotenuse.

The tangent ratio of an angle is the opposite side over adjacent side, it is not the sine ratio of a triangle.

For example, ABC is a right angled triangle having length of the sides are a,b,c.

$sine\ C=\frac{a}{c}$

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2 years ago

Help me if you can please

Luden [163]

Answer:

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2 years ago

Two numbers that round to 300 when rounded to the nearest hundred

sashaice [31]

Answer:

335 and 289

Step-by-step explanation:

335 is rounded to 300 and 289 is rounded to 300

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2 years ago