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neonofarm [45]
1 year ago
11

The expressions 4 (y - 3) and 4y - 12 are equivalent?True or False

Mathematics
1 answer:
Vinvika [58]1 year ago
8 0

4(y - 3) and 4y - 12

yes they are equivalent

4(y - 3) = 4y - 12 using the distributive property the result is the same.

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I need the answers for 5 and 6 please and make sure they are accurate , thank you :)
velikii [3]

Answer:

5. 6+6i

6. -2+(6\sqrt{3})i

Step-by-step explanation:

well, u just need to calculate

7 0
3 years ago
How to isolate scalars from a matrix
I am Lyosha [343]
The technique of matrix isolation involves condensing the substance to be studied with a large excess of inert gas (usually argon or nitrogen) at low temperature to form a rigid solid (the matrix). The early development of matrix isolation spectroscopy was directed primarily to the study of unstable molecules and free radicals. The ability to stabilise reactive species by trapping them in a rigid cage, thus inhibiting intermolecular interaction, is an important feature of matrix isolation. The low temperatures (typically 4-20K) also prevent the occurrence of any process with an activation energy of more than a few kJ mol-1. Apart from the stabilisation of reactive species, matrix isolation affords a number of advantages over more conventional spectroscopic techniques. The isolation of monomelic solute molecules in an inert environment reduces intermolecular interactions, resulting in a sharpening of the solute absorption compared with other condensed phases. The effect is, of course, particularly dramatic for substances that engage in hydrogen bonding. Although the technique was developed to inhibit intermolecular interactions, it has also proved of great value in studying these interactions in molecular complexes formed in matrices at higher concentrations than those required for true isolation.
3 0
3 years ago
Please help .god bless you
zhenek [66]

Answer:Area of the lawn is 1725 ft^2

Step-by-step explanation:

The yard is in the shape of a trapezoid. The area of the lawn can be determined by finding the area of the trapezoid. The formula for determining the area of a trapezoid is expressed as

Area of trapezoid =

1/2(a + b)h

Where

a is the length of one of the parallel sides of the trapezoid

b is the length of the other parallel side of the trapezoid.

h is the perpendicular height of the the trapezoid.

From the diagram,

a = 50 feet

b = 65 feet

h = 30 feet

Area of the lawn = 1/2(50 + 65)× 30

= 1/2 × 115 × 30 = 1725 ft^2

7 0
3 years ago
What is the sum of 7+(-2)?
Darya [45]

The answer would be 5.

When adding a negative to a positive, it's the same thing as subtracting.

5 0
3 years ago
Read 2 more answers
Please help me!!!!!!
aev [14]
- 10, you go down 4 - this is shown because to get from two to 10 in two, you have to go 2+4=6+4=10
8 0
2 years ago
Read 2 more answers
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