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MariettaO [177]
3 years ago
13

A business owner wants to have the front window of her store painted and is considering two

Mathematics
1 answer:
Aleks [24]3 years ago
7 0
Denise would have to take seven hours to charge the same amount of money as tiana. furthermore, it would cost the same amount as that is what the prompt is asking for.

to get the answer:
i subtracted $19 from $292 to eliminate the
fee element because if you were to divide
$292 by $39 without the step, the hours would be incorrect and the price would be greater.

after subtracting i got $273

from there i divided $273 by $39 and got 7 (the amount of hours it would take)
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1. Given the equation ​ ​y​ = -3​x​ + 2.5
valentina_108 [34]

Answer:

a. when x=1 so substitute 1 to any X in the given equation.

y=-3(1)+2.5

y=-3+2.5

y=-0.5

b.when x is -1.5 so substitute -1.5 to any x in the equation

y=-3(-1.5)+2.5

y=-4.5+2.5

y=-2

4 0
3 years ago
7b ÷ 12 = 4.2  what does b =
Luda [366]
7b/12=4.2
7b=50.4
b=7.2

hope this helps
3 0
3 years ago
Read 2 more answers
The sum of two numbers is 16. One number is 3 times the other. Find the numbers.
Dimas [21]

Answer:

X = 12

Y = 4

Step-by-step explanation:

X + Y = 16

X = 3Y

3Y + Y = 16

4Y = 16

Y = 4

X + 4 = 16

X = 12

5 0
3 years ago
The area of a square is 900cm, Find the perimeter
Olegator [25]

Answer:

3600

Step-by-step explanation:

the formula to find the area of a square is:

A=a2

the formula to find the perimeter of a square is:

P=4a

hope that helps

7 0
3 years ago
Read 2 more answers
Evaluate 0.3 y+\dfrac yz0.3y+ z y ​ 0, point, 3, y, plus, start fraction, y, divided by, z, end fraction when y=10y=10y, equals,
sergij07 [2.7K]

Answer:

  5

Step-by-step explanation:

Put the numbers where the corresponding variables are in the formula and do the arithmetic.

  0.3y+\dfrac{y}{z}=0.3\cdot 10+\dfrac{10}{5}=3+2=5

The expression evaluates to 5.

6 0
3 years ago
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