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Masteriza [31]
3 years ago
12

The price of an item has dropped to $52 today. Yesterday it was $80. Find the percentage decrease.

Mathematics
2 answers:
saveliy_v [14]3 years ago
6 0

Answer:

Decrease = 140 - 119 = 21

% Decrease = (21/140)*100% = 15%

Step-by-step explanation:

hope this helps!

Mars2501 [29]3 years ago
5 0

Answer:

56%

Step-by-step explanation:

80-52/80

0.56

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Describe how to obtain the graph of g(x)=(x-3)^2+3 from the parent function f(x)=x^2
KIM [24]
Add to x, move graph to left

subtract from x, move graph to right

add a constant to function, move graph up

subtract a constant to the function, move graph down

g(x)=(x-3)^2+3

move f(x)

3 units right, 3 units up
5 0
3 years ago
Here is an equation.<br> P = d(4 + tg)<br> What is the equation when solved for g?
astra-53 [7]
P = 4d +dgt
dgt = P -4d
divide both sides by dt.

g = (P-4d)/dt
8 0
2 years ago
Susan is looking to hire a cleaning company to clean her house every week. One cleaning company's cost can be calculated by the
kirill [66]

Answer:

<h3>A. 1 hour</h3>

Step-by-step explanation:

If one cleaning company's cost can be calculated by the expression 75 + 50x, where x is the amount of hours they spend cleaning and another cleaning company's cost can be calculated using the expression 50 + 75x, then to calculate how long each company will have to clean to cost the same amount, we will equate both expression of the company cost and solve for x as shown;

On equating:

75 + 50x,  =  75x + 50

collect like terms'

50x-75x = 50-75

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divide both sides by -25

-25x/-25 = -25/-25

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hence the number of hours each company will have to clean to cost the same amount is 1 hour

3 0
2 years ago
Choose ALL possible answers
muminat
Select all the correct answers:
1) Yes

2) No
x=8→h(8)=2(8)^2+5(8)+2=2(64)+40+2=128+40+2→h(8)=170
x=8→f(8)=3^8+2=6,561+2→f(8)=5,563>170=h(8)

3) Yes

4) No

5) Yes
rg=[g(3)-g(2)]/(3-2)=[g(3)-g(2)]/1→rg=g(3)-g(2)
g(3)=20(3)+4=60+4→g(3)=64
g(2)=20(2)+4=40+4→g(2)=44
rg=64-44→rg=20

rf=f(3)-f(2)
f(3)=3^3+2=27+2→f(3)=29
f(2)=3^2+2=9+2→f(2)=11
rf=29-11→rf=18

rh=h(3)-h(2)
h(3)=2(3)^2+5(3)+2=2(9)+15+2=18+15+2→h(3)=35
h(2)=2(2)^2+5(2)+2=2(4)+10+2=8+10+2→h(2)=20
rh=35-20→rh=15

rg=20>18=rf
rg=20>15=rh

6)  No
x=4→g(4)=20(4)+4=80+4→g(4)=84
x=4→h(4)=2(4)^2+5(4)+2=2(16)+20+2=32+20+2→h(4)=54
x=4→f(4)=3^4+2=81+2→f(4)=83>54=h(4)
f(4)=83<84=g(4)
7 0
3 years ago
Why is graphite soft​
ryzh [129]

Answer:

because it has a weak inter molecular forces between its layers

3 0
3 years ago
Read 2 more answers
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