Which expression represents the difference between 2n and 15?

Mathematics

2 answers:

SCORPION-xisa [38]3 years ago

7 0

The difference between 2n and 15 can be expressed by 2n-15 becusae difference means subtraction

Hope this helps

arlik [135]3 years ago

3 0

(2xn)-15 or 2n-15 . if you could provide a bit more info, i could prob help you more out if im wrong :/

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a box of socks contain 5 white socks 3 grey socks 4 black socks and 1 blue sock. is Sophie closes her eyes and randomly pick two

pantera1 [17]

Answer:

3 out of 13 chance of getting grey socks

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3 years ago

The scale drawing of a concrete pad has a length of 9.1 cm, a depth of 2.2 cm and a width of 3.8 cm.

pogonyaev

Answer:

242 cm

Step-by-step explanation:

1. Find the scale factor

A scale factor (SF) is the ratio of two corresponding lengths in similar figures.

SF = actual distance/scale distance

If the scale width is 3.8 cm,

SF = 418 cm/3.8 cm = 110

2. Calculate the actual depth

110 = actual depth/2.2 cm

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8 0

3 years ago

Read 2 more answers

How many times larger is 9 × 10^9 than 3 x 10^-4

ratelena [41]

9 × 10^9
---------------- = 3 x 10^13
3 x 10^-4

answer
3 x 10^13 times larger

3 0

3 years ago

on a scale drawing, 5 metres is represented by 4 centimetres. write the scale as a ratio in it's simplest form.

ryzh [129]

Answer:

The scale factor is 1:125

Step-by-step explanation:

Scaling

Objects can be represented in a reduced or augmented size by using scaling which consists of multiplying or dividing by a constant factor. We use scaling when representing geographic locations on a map.

On a scale drawing, a distance of 5 meters = 500 cm is represented by 4 centimeters. The scale factor is usually represented as a ratio of the smallest to the biggest magnitude:

$\frac{4}{500}=\frac{1}{125}$