3 years ago

Add. (8y + 6) + (4y + 5) Submit

Mathematics

2 answers:

lina2011 [118]3 years ago

7 0

Answer:

Step-by-step explanation:

hello :

(8y + 6) + (4y + 5)=12y+11

Inga [223]3 years ago

6 0

Answer:

12y + 11

Step-by-step explanation:

To add them you would add like terms. That means you would add those with y together and those without together.

8y + 4y + 6 + 5 = 12y + 11

If you want to solve for y, subtract 11 from both sides then divide both sides by 12.

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Given complex numbers u and v below,what is uv u=7i V=6-i

boyakko [2]

Answer:

7 + 42i.

Step-by-step explanation:

u v = 7i(6 - i)

= 42i - 7i^2 But i^2 = -1 so:

= 42i - 7(-1)

= 7 + 42i.

6 0

3 years ago

1. What is the value of x? Show all of your work.

Colt1911 [192]

You can use the pathagorean theorm.
$a^2 + b^2 = c^2$
$a^2 + 6^2 = \sqrt{117}^2$
$a^2 + 36 = 117$
$a^2 = 117 - 36$
$a^2 = 81$
$\sqrt{a^2} = \sqrt{81}$
$a = 9$
x = 9

5 0

3 years ago

Will give brainliest

Alborosie

C:1/2 hope i help have a nice day

5 0

3 years ago

Read 2 more answers

X^2-16x+7=0 how do I solve this step by step

bixtya [17]

Answer: The answer I got was

x=8±√57

6 0

2 years ago

Can somebody help me

pantera1 [17]

The answer is B. The angle next to 100 degrees would be 80 as the angles are supplementary. Then you would add 80 + 70 = 150. All the angles in a triangle add to 180, thus making the "x" angle 30 due to 180 - 150.

Hope this helped :))

7 0

3 years ago