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Angelina_Jolie [31]
4 years ago
7

Plz help me with this

Mathematics
2 answers:
rjkz [21]4 years ago
8 0
12*2+400*2=824
the answer is 824
Afina-wow [57]4 years ago
3 0
824 just add all the sides so 12+12+400+400=824 and in simpler form w2+l2
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50h + 0.20s + 40 part
kozerog [31]
A.
Coefficient: 50
Variable: h
Constant: s

b.
50(25) + 0.20(300) + 40
1250 + 60 + 40
1350
Corinne earns $1350

c.
The coefficient would change because a coefficient is the number in front of a variable, and the number changed, not the variable or constant.
3 0
3 years ago
Please help me asap!
maxonik [38]

Answer:

\frac{7x + 7}{(x-3)(x+4)}

Excluded values are 3 and -4

Step-by-step explanation:

To simplify the expression multiply to create a common denominator.

Multiply the first fraction by (x-3) and the second fraction by (x+4).

\frac{3}{x+4} + \frac{4}{x-3}\\\\\frac{3(x-3)}{(x+4)(x-3)} + \frac{4(x+4)}{(x-3)(x+4)}

\frac{3(x-3)}{(x+4)(x-3)} + \frac{4(x+4)}{(x-3)(x+4)} \\\\\frac{3(x-3) + 4(x+4)}{(x-3)(x+4)}\\\\\frac{3x - 9 + 4x + 16}{(x-3)(x+4)}\\\\\frac{7x + 7}{(x-3)(x+4)}

Excluded values are values which make the denominator 0. This means (x-3)(x+4) cannot be 0. This means x cannot be 3 or -4. These are excluded values.

5 0
3 years ago
Choose the equation of the graphed function
irinina [24]

Answer:

that's a

Step-by-step explanation:

y=[x]-3

I think

8 0
3 years ago
The midpoint of JK is M(8,6). One endpoint is (7, 10). Find the coordinates of the other
sasho [114]

Answer:

(9,2)

Step-by-step explanation:

m (8,6)

(7,10)

find the coordinates of the unknown endpoint

(9,2)

3 0
3 years ago
Groceries was 11.20 befor sales tax. How much was the total cost for groceries after the 5% sales tax was charged
Dmitry [639]

11.2 * .05 = .56

sales tax = .56

11.2+.56 = 11.76

groceries plus tax = 11.76

5 0
4 years ago
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