6a + 5a= -11 . I do not understand, please help. How do you solve this?

Answers

Answer 1

Answer: $6a+5a=-11\ \ \ \ |simplify\n\n11a=-11\ \ \ \ \ \ \ \ |divide\ by\ 11\n\na=-1\n\nAnswer\ is\ -1$

Answer 2

Answer: its really wanting to find outwhat a=

so

add the 6a and 5a =11a

11a=-11
a=-11/11
a=-1

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The equation shows the relationship between x and y:y = 7x + 2

What is the slope of the equation?

-7
-5
2
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Answers

y=mx+b is the formula.
m is the slope and b is the y-intercept.

y-intercept is when x is 0 and x-intercept is when y is 0. So if x is 0, y=m(0)+b which is y=b. So on the graph y will be b when x is 0.

So in y=7x+2, 7 is the slope and 2 is the y-intercept.

$\sf\ Slope:\ {\boxed{7}$

$y={\underbrace{m}x+{\underbrace{b}$
$\sf\~~~~SLOPE~~~~~Y-INTERCEPT$

Below is the slope intercept form:
y = mx + b

where: m = slope; b = y-intercept.

Using the above format,

y = 7x + 2

m = 7 ; b = 2

The slope of the equation is 7.
The y-intercept of the equation is 2.

How many ninths in 2 2/3

Answers

There will be 18 ninths because 2*3+2/3= 8/3=24/9

What is the sum of x + 9?

Answers

so 30/48=15/(x+9)
this could be easily solved by recognizing the proportion (the other way is usiing full algebra and doing multiply both sides by 48(x+9) and then divide both sides by 30 then subtract 9)
30 is 2 times of 15
therefor 48 is 2 times of (x+9)
48=2 times (x+9)
divide both sides by 2
24=x+9
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x=15

A group of 20 children were asked their age and how many pages they read in a week. The scatter plot shows the data.What is the number of pages read for the outlier?

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Answers

The outlier would be the one with (17, 72) coordinates. If interpreted, the child is 17 years old and the number of pages the child reads in a week is 72. He appeared the outlier because his data was too far from the pattern of data relative to the sample.

Answer:

Step-by-step explanation:

Six more than the quotient of four and a number x

Answers

Break the words down. “Six more” means +6. “The quotient of 4 and x” is 4/x. So, the equation becomes 4/x +6 or (4/x)+6. Hope this helped!

Six plus four fifths A equals nine tenths A

Answers

6+4/5a=9/10a
make bottom numbers same
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60/10=1/10a
multiply both sides by 10
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