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Tasya [4]
3 years ago
10

So, I'm NOT a beginner on brainly. And i havent been able to chat with ANYONE I'm friends with. Including one of my friends that

LITERALLY just started brainly. It says "New on Brainly? You have to answer MORE great questions to start texting." BRUH, PLS TELL ME WUTS GOIN ON
Mathematics
2 answers:
Sauron [17]3 years ago
8 0

Answer:

Same here !

My guess is when  you reach Genius on Brainly, you MAY be able to chat.

That's is my guess.

I have had many many different accounts on Brainly and, no chat.

.................weird....................

zavuch27 [327]3 years ago
5 0

Answer:

you an just use comments but it wont be private

and you have to be a genius in order to chat

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Given the point (3,4 ) and the slope of 6 ,find y when x=27.
Irina-Kira [14]
Work shown above! y = 148

6 0
3 years ago
You will begin with a relatively standard calculation. consider a concave spherical mirror with a radius of curvature equal to 6
vodomira [7]
We are given a concave spherical mirror with the following dimensions:

Radius = 60 cm; D o = 30 cm
Height = 6 cm; h o = 6 cm

First, we need to know the focal length, f, of the object (this should be given). Then we can use the following formulas for calculation: 

Assume f = 10 cm

1/ f = 1 /d o + 1 / d i
1 / 10 = 1 / 30 + 1 / d i

d i = 15 cm

Then, calculate for h i:

h i / h o = - d i / d o

h i / 6 = - 15 / 30

h i = - 3 cm

Therefore, the distance of the object from the mirror is 3 centimeters. The negative sign means it is "inverted". 
6 0
2 years ago
if the measure of an angle is 12 degrees less than the measure of its supplement what is the measure of the angle
Amanda [17]

Answer:

       

Step-by-step explanation:


7 0
2 years ago
What is the LCD of 3/10 and -4/15??
Mazyrski [523]
The LCD is 30.  The fractions would be 9/30 and -8/30
8 0
3 years ago
Read 2 more answers
Write x2 - 8x + 13 = 0 in the form (x - a)2 = b, where a and b are integers. a.)(x - 4)2 = 3 b.) (x - 3)2 = 2 c.)(x - 2)2 = 1 d.
loris [4]
The answer is <span>a.)(x - 4)2 = 3.

(x - a)</span>² = b can be expressed as:
x² - 2ax + a² = b                                 ⇒ x² - 2ax + a² - b = 0

Our equation is                x² - 8x + 13 = 0.
The general formula is    x² - 2ax + (a² - b) = 0

Thus:
8x = 2ax    and a² - b = 13

Divide both sides of the first equation (8x = 2ax) by x:
8 = 2a           ⇒ a = 8 ÷ 2 = 4

Replace a in the second equation (a² - b = 13):
4² - b = 13     ⇒ b = 4² - 13 = 16 - 13 = 3

Now when we have a and b, let's just replace them in the general equation:
(x - a)² = b
(x - 4)² = 3
4 0
2 years ago
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