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lina2011 [118]
3 years ago
13

Answer these two questions for brainiest hurry:)

Mathematics
1 answer:
erica [24]3 years ago
8 0

Answer:

C=2.06

Step-by-step explanation:

-8.14+10.2=2.06

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What is the domain of the following parabola?
yanalaym [24]

First we have to understand what the domain is. In a nutshell the domain is the set of all x values that are represented in any given graph. In this case we do not have a graph but we have the vertex. The x value is 2, therefore: x ≥ 2.


I hope this helps, Regards.




3 0
4 years ago
which equation represents this sentence? one half the sum of a number and four is less than the quotient of five and the number
Setler79 [48]

Answer:

The fourth one

Step-by-step explanation:

Three less then the quotient means you are subtracting 3 from a division problem. 1/2 the sum of a number and four means that there is going to be a variable and 4 in parenthesis that you will add before you multiply by 1/2.

7 0
3 years ago
What is the slope of the line 3x- 9y=4
vlabodo [156]

Answer:

1/3 is your answer

Step-by-step explanation:

Note that in the slope intercept form, the equation looks like: y = mx + b

Isolate the y. First, subtract 3x from both sides

3x (-3x) - 9y = (-3x) + 4

-9y = -3x + 4

Next, to fully isolate the y, divide - 9 from both siedes

(-9y)/(-9) = (-3x + 4)/(-9)

y = (-3x + 4)/-9

Simplify

y = (1/3)x - 4/9

You're slope of the line (m in y = mx + b) is 1/3

~

4 0
4 years ago
Read 2 more answers
jean and mark are going to fill a pool with 2 different sized hoses. Jean can fill the pool in 8 hours, while Mark can complete
Bad White [126]
----------------------------------------------
Calculate Jean's rate
----------------------------------------------
Jean takes 8 hours to fill the pool.
So in 1 hour, she can fill 1/8 of the pool

----------------------------------------------
Calculate Mark's rate
----------------------------------------------
Mark takes 12 hours to fill the pool.
So in 1 hour, he can fill 1/12 of the pool.

----------------------------------------------
Calculate their rate if they work together
----------------------------------------------
Jean = 1/8
Mark = 1/12
1/8 + 1/12 = 3/24 + 2/24 = 5/24 
They will fill 5/24 of the pool in 1 hour

----------------------------------------------
Find number of hours needed to fill up the pool
----------------------------------------------
I hour = 5/24 of the pool
1 ÷ 5/24 hour = 5/24 ÷ 5/24 of the pool
24/5 hour =  Whole pool

Whole pool = 24/5 hours 
Whole pool = 4 4/5 hours  or 4.8 hours

----------------------------------------------
Ans: The supervisor is not correct, it will take only 4.8 hours if both of them work together.
----------------------------------------------

5 0
3 years ago
I need help ill mark brainliest if you do them all
notsponge [240]

<u>onthe question were it says 2 that is B.</u>

<u>on the question </u>

<u>with no number that is D</u>

<u>and number 4 is....... um maybe C or A but im not sure</u>

<u></u>

<u></u>

<u></u>

<u></u>

<u></u>

<u></u>

<u>Goodluck!</u>

7 0
3 years ago
Read 2 more answers
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