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nataly862011 [7]
3 years ago
9

Translate the following phrase into an expression: “ the sum of an unknown number and 12”

Mathematics
1 answer:
Neko [114]3 years ago
6 0

Answer:

French: la somme d'un nombre inconnu et 12

Spanish: la suma de un número desconocido y 12

Latin: XII numerus ignotus est et summa

Step-by-step explanation:

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7x-2=61 how to solve
Maurinko [17]
7x-2=61
7x= 61+2
7x=63
7/7=63/7
x=9
3 0
4 years ago
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Simplify the expression (8+i)(2+7i)
Rus_ich [418]

Given : (8 + i)(2 + 7i)

⇒ (8 × 2) + (8 × 7i) + (i × 2) + (i × 7i)

⇒ 16 + 56i + 2i + 7i²

We know that i² = -1

⇒ 16 + 58i + 7(-1)

⇒ 16 + 58i - 7

⇒ 9 + 58i

4 0
3 years ago
What are the characteristics of a complex number? What is the relationship between a complex number and its conjugate? Describe
Dafna11 [192]
Complex number will have :

- A real part
- an imaginary part

The conjugate of a complex number is simply the complex number with the imaginary part of the opposite sign

One of the usefulness of the conjugate is when you have a complex number in the denominator and you are trying to get rid of it

hope this helps
6 0
3 years ago
Please help me take this pleaseee
Oksi-84 [34.3K]

Answer:

3x² + 2x + 18

Step-by-step explanation:

24x² + 16x + 144 .......simplify by 4

6x² + 4x + 36

3x² + 2x + 18

7 0
3 years ago
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i need to know how to find the x and y intercepts and then graph the linear equation for the problem x+y=2
gizmo_the_mogwai [7]

Answer:

The x-intercept of the straight line is at (2,0) and the y-intercept is at (0,2).

Join those two points with a straight line and get the graph.

Step-by-step explanation:

The intercept form of a straight line equation is \frac{x}{a} + \frac{y}{b} = 1, where the x-intercept of the line is at (a,0) and the y-intercept will be at (0,b).

So, we have to arrange the equation of a straight line in the intercept form and then we can easily find the x-intercept and y-intercept of the line.

Given equation is x + y = 2

⇒ \frac{x}{2} + \frac{y}{2} = 1

Therefore, the x-intercept of the straight line is at (2,0) and the y-intercept is at (0,2).

Now, locate the two points as obtained on the graph and join them with a straight line and you will get the graph of the line. (Answer)

8 0
3 years ago
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