3 years ago

Please help me with this

Mathematics

1 answer:

Rudik [331]3 years ago

3 0

Answer:

x = 18

Step-by-step explanation:

The parts of the triangles are proportional, so you can write ...

2x/80 = 27/60

Multiply by 120:

3x = 54

Divide by 3:

x = 18

You might be interested in

What is an alternate interior angle

steposvetlana [31]

Step-by-step explanation:

Alternate interior angles are non-adjacent interior angles that do not have a common vertex on alternate sides of the transversal. These types of angles have the same measure.

3 0

2 years ago

Read 2 more answers

Add the two expressions.<br><br> 3x + 7 and 9x−2

aleksklad [387]

Let's add

$\\ \tt\hookrightarrow 3x+7+(9x-2)$

Remove brackets

$\\ \tt\hookrightarrow 3x+7+9x-2$

Combine like variables

$\\ \tt\hookrightarrow 3x+9x+7-2$

$\\ \tt\hookrightarrow 12x+5$

3 0

2 years ago

Read 2 more answers

Percent increase and decrease. Original number:45 New number: 18

andre [41]

Answer:

60% decrease

Step-by-step explanation:

To find the percentage increase/ decrease construct a fraction with numerator showing increase/ decrease and denominator with original number then multiply the fraction by 100%

here the decrease = 45 - 18 = 27

percent decrease = $\frac{decrease}{original}$ × 100%