4 years ago

What is chemestry ..

1 answer:

3 0

The branch of science that deals with the identification of the substances of which matter is composed; the investigation of their properties and the ways in which they interact, combine, and change; and the use of these processes to form new substances

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Plsss help and explain how to do it because im confused

Ray Of Light [21]

I think this is asking what power when the first number given is raised to it will equal the number within the parentheses. So, for example, the answer to the first question would be 5 because 2^5 = 32. 10^3 = 1000, so the answer is 3, and so on.

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2 years ago

What is the substitution for 3x+4y^2 if x= -2 and y=3?

solniwko [45]

Answer:

Step-by-step explanation:

$3x+4y^2\\\\\text{Substitute the value of x = -2 and y = 3 to the expression:}\\\\3(-2)+4(3^2)\qquad\text{use PEMDAS}\\\\=-6+4(9)=-6+36=30$

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4 years ago

There are 15.24 centimeters in 6 inches.<br> How many centimeters are in 1 yard?

FinnZ [79.3K]

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1 yard=94.44 cm

Step-by-step explanation:

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3 years ago

Read 2 more answers

Please solve the following problem

kirza4 [7]

Answer:

x = 27

Step-by-step explanation:

Given

$\frac{x}{9}$ = 3

Multiply both sides by 9 to clear the fraction

x = 9 × 3 = 27

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4 years ago

Find the complement and the supplement of the given angle.<br> 23°

e-lub [12.9K]

Answer:

Complement: 67°

Supplement: 157°

Step-by-step explanation:

Complementary angles = 90°

90-23=67°

Supplementary angles = 180°

180-23=157°

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3 years ago