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3 years ago

Solve for x 0.6x + 384

Mathematics

1 answer:

-Dominant- [34]3 years ago

8 0

Answer:

x = 640

Step-by-step explanation:

0.6 x = 384

divide both sides by 0.6 to get the variable by its self

x = 640

hope this helps

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Giving triangle and m what is m >b

Gelneren [198K]

Since you know the triangles are congruent/equal, you know that:

m∠A and m∠X are congruent and have the same angle, and so does:

m∠B and m∠Y

m∠C and m∠Z

A triangle is 180°. (the 3 angles have to add up to 180) To find m∠B, you can do this:

m∠A + m∠B + m∠C = 180°

21° + m∠B + 35° = 180° Subtract 21 and 35 on both sides

m∠B = 124° your answer is C

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4 years ago

33. The following statement calls a function named half, which returns a value that is half that of the argument passed to it. A

qaws [65]

Answer:

Step-by-step explanation:

#using java

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4 years ago

What is 24.541 divided by 6

Brilliant_brown [7]

I think the answer is 4.09

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3 years ago

Four grey polygons join together as shown in the diagram. I’ve calculated angle a but I don’t know angle b. Angle a is 108

mr Goodwill [35]

Answer:

Part 1) $a=108^o$

Part 2) $b=24^o$

Step-by-step explanation:

Part 1) Find the measure of angle a

we know that

The formula to calculate the measure of the interior angle of a regular polygon is equal to

$\frac{180^o(n-2)}{n}$

where

n is the number of sides of the regular polygon

For the regular pentagon in the figure

n=5

substitute in the formula

$a=\frac{180^o(5-2)}{5}$

$a=\frac{180^o(3)}{5}$

$a=108^o$

Part 2) Find the measure of angle b

Remember that a regular polygon has equal sides and equal interior angles

In the figure , the length of the side of the two smaller equilateral triangles is equal to the length of the side of the regular pentagon

therefore

The triangle in white of the figure is an isosceles triangle

The measure of the vertex angle of the isosceles triangle is equal to

$360^o-(108^o+60^o+60^o)=132^o$

Remember that

The sum of the interior angles of triangle must be equal to 180 degrees

$2b+132^o=180^o$

solve for b

$2b=180^o-132^o$

$2b=48^o$

$b=24^o$

7 0

3 years ago

two sides of an isosceles triangle with a perimeter of 270 cm are in a ratio of 4:7. Find the possible measure(s) of the base

Nikolay [14]

Answer:

Base = 126 cm or 60 cm

Step-by-step explanation:

Ratio of sides of isosceles triangle = 4 : 7

Sides are = 4x , 7x

If smallest sides of the isosceles triangle are equal, then

three sides are = 4x , 4x , 7x

Perimeter = 270 cm

4x + 4x + 7x = 270

15x = 270

x = 270/15

x = 18

Base = 7x = 7*18 = 126 cm

If largest sides of the isosceles triangle are equal, then

Three sides are = 7x , 7x , 4x

7x + 7x +4x = 270

18x = 270

x = 270/18

x = 15

Base = 4x = 4 * 15 = 60 cm

7 0

3 years ago