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alina1380 [7]
2 years ago
9

How do new substances form?

Mathematics
1 answer:
aleksandrvk [35]2 years ago
3 0

Answer:

A chemical reaction happens when substances break apart or combine to form one or more new substances.

Step-by-step explanation:

New substances form when bonds break and new bonds form. The chemical properties of the new substances are different from those of the original substances

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Which expression has the same value as -73 +3/?
vovikov84 [41]

The expression come -70

given;

In mathematics, multiplication can be represented by using the symbol × or the symbol ·. Moreover, multiplication can be also represented just by leaving the numbers or values side by side without any symbol. For example, the expression 5x + y implies 5 should be multiplied by x. In this context, the expression  indicates -73 + 3

it means ; the number 73 substract from 3 and we get - 70.

to know more about mathematical expression;

visit; brainly.com/question/17241535

When we combine numbers and variables in a valid way, using operations such as addition, subtraction, multiplication, division, exponentiation, and other operations and functions as yet unlearned, the resulting combination of mathematical symbols is called a mathematical expression.

#SPJ9

4 0
1 year ago
There are 768 beds in a hospital, each floor has 64beds, how many floors are there
Alja [10]

Answer:

There are 12 floors in a hospital.

Step-by-step explanation:\

Each floor has 64 beds, but the hospital has totally 768 beds

So, \frac{768}{64} = 12 (floors)

4 0
3 years ago
A glass is
serg [7]

Answer:

Step-by-step explanation:

4/7 x + 70 cm^3 = 3/4 x          Subtract 4/7 x from both sides

3/4 x - 4/7 x = 70 cm^3          The lowest common denominator is 28

\frac{3*7*x}{4*7} - \frac{4*4x}{4*7} = 70 cc\\\frac{21*x}{28} - \frac{16*x}{28} = 70 cc\\\frac{5x}{28}= 70cc\\

5x = 70*28

5x = 1960                                Divide by 5

x = 1960/5

x = 392 cc

7 0
3 years ago
Read 2 more answers
by selling a mobile set of rupees 4800 Ramesh gains 25% how much will have we gained by selling it at rupees 4080​
Crank

Answer:

240

Step-by-step explanation:

Gain=25%

Gain=selling price - cost price

Gain = ((selling price - cost price )× 100)/ cost price

25c=(4800-c)100

25c=480000-100c

125c=480000

cost price = 3840

second statement

The selling price was 4080

Cost price 3840

therefore

Gain=selling price - cost price

Gain = 4080-3840

=240

5 0
3 years ago
Work out the size of angle x
alisha [4.7K]

Answer:

hope its helpful........

6 0
2 years ago
Read 2 more answers
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