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3 years ago

Please help with these 2 questions

Mathematics

1 answer:

Digiron [165]3 years ago

3 0

Answer:

Question 1= b

question 2= d

Step-by-step explanation:

Ur welcome :)

gimme brainliest :)

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What number is 15% of 63

Degger [83]

Take the number (63) and then divide it with 100, this gives you 1%. Then you want to multiply with with 15 in order to get 15%. The answer becomes:

$\frac{63}{100}\cdot 15=9.45$

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4 years ago

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What is the modulus of 2 – 3i?

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What is the modulus of 2 – 3i?

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3 years ago

For f(x) = 2x + 3 and g(x) = x2 – 8, find (f + g)(x).

Nataly_w [17]

Answer:

x² + 2x - 5

Step-by-step explanation:

(f + g)(x) = f(x) + g(x)

f(x) + g(x)

= 2x + 3 + x² - 8 ← collect like terms

= x² + 2x - 5

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3 years ago

Is 6 to the 3rd power equal to 2•2•2•3•3•3? Full explaination and reasoning.

Zolol [24]

Answer:

yes

Step-by-step explanation:

if you do 6^3 you get 216

6*6*6=216

6*6=36

36*6=216

2*2*2*3*3*3=216

2*2=4

4*2=8

8*3=24

24*3=72

72*3=216

4 0

4 years ago

Type the correct answer in the box. Use numerals instead of words.

Mandarinka [93]

Answer:

Step-by-step explanation:

We are here given a modulus expression and we need to find out the value when m = -5 and n = 3 .

Modulus :- It always gives positive value . For example ,

$\rm\implies |-a| = a$

$\rm\implies |a| = a$

The given modulus expression is :-

$\rm\implies |m^2+ n^2|$

As the number inside the modulus operator are already squared therefore they will always give positive value for real numbers . Here we can omit the modulus .

$\rm\implies m^2 + n^2$