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alexandr402 [8]
3 years ago
6

Pleaseee help me answer this

Mathematics
1 answer:
TEA [102]3 years ago
8 0
Vertical is a straight like like this
I
And that line is the y axis while this line
_
Is x axis
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Ok so this is so confusing The volume of water in a rectangular swimming pool can be modeled by the polynomial 2x3 _ 9x2 + 7x +
Alika [10]
The volume formula is V= l x L x H, l=width, L=Length, H= Depth, so 
2x3 _ 9x2 + 7x + 6 = l x L x (2x + 1), because H=(2x + 1), so 
l x L= (2x3 _ 9x2 + 7x + 6 )/ (2x + 1) = (2x3 _ 9x2 + 7x + 6 ) X [1/(2x + 1)]
case1: l= (2x3 _ 9x2 + 7x + 6 ) or L= 1/(2x + 1), case2: L= (2x3 _ 9x2 + 7x + 6 ) or l= 1/(2x + 1)
the why question:
perhaps there is similarity of value between volume and l, or volume and L
6 0
3 years ago
An animal shelter spends $3.50 per day to care for each bird and $8.50 per day to care for each cat. Jaxson noticed that the she
ANEK [815]
X+y=24
3.5x+8.5y=114

X=18
18 birds
3 0
3 years ago
Question 6
kykrilka [37]

Answer:

m=Y2–Y1/X2–X1

m =    \frac{  - 9 - (6)}{1 - ( - 4)}  \\ m =  \frac{ - 15}{5}  =  - 3 \\ y = mx + b \\ y = - 3x + b

7 0
2 years ago
Read 2 more answers
Only answer 28 ( I added this parentheses so that the thing would accept my question)
avanturin [10]

Answer:

(a). Number of protons in a chlorine atom = 17

(b). Atomic number of sodium = 11

Step-by-step explanation:

Let the number of protons in a sodium atom = <em>x</em>

Then, the number of protons in a chlorine atom =<em> x</em> + 6

Now, it is given that the atomic number of an element is equal to the number of protons per atom.

So, atomic number of sodium (Na) = <em>x</em>

Atomic number of chlorine (Cl) = <em>x</em> + 6

It is given that the atomic number of chlorine is 5 less than twice the atomic number of sodium.

∴ atomic number of chlorine (Cl) = 2 × atomic number of sodium (Na) - 5

⇒ <em>x</em> + 6 = 2<em>x</em> - 5

⇒ <em>x </em>- 2<em>x</em> = -5 - 6

⇒ -<em>x</em> = -11

Cancelling the minus sign from both sides, we get

<em>x</em> = 11

(a). Number of protons in a chlorine atom = <em>x</em> + 6

                                                                     = 11 + 6      (∵ <em>x</em> = 11)

                                                                     = 17

(b). Atomic number of sodium = <em>x</em> = 11

3 0
3 years ago
How do you solve 2/7m -1/7 = 3/14
Mars2501 [29]

the only thing you need to do is separate m:

2/7m= 3/14 + 1/7

2/7m= 5/14

m= (5/14)/(2/7)

m= 5/14 × 7/2

m= 35/28

m= 5/4

4 0
1 year ago
Read 2 more answers
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