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kow [346]
3 years ago
8

PLEASE HELP!!!!

Mathematics
2 answers:
netineya [11]3 years ago
5 0
1 quarter= .25
200 × .25= 50

1 dime= .10
.10×15= 15

1 penny= .01
.01× 300= 3

Answer: 50+15+3= $68
Marysya12 [62]3 years ago
5 0
68 dollars in total.
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Find an equation of the circle that has center (-4,3) and passes through (6,-4).
kumpel [21]

Answer:

(x+4)^2+(y-3)^2=149

Step-by-step explanation:

The equation of a circle is (x-h)^2+(y-k)^2=r^2 where (h,k) is the center of the circle and r is the radius of the circle.

Given that (h,k)\rightarrow(-4,3) and it passes (6,-4), their distance between each other must the radius of the circle, so we can use the distance formula to find the radius:

d=\sqrt{(y_2-y_1)^2+(x_2-x_1)^2}\\\\d=\sqrt{(-4-3)^2+(6-(-4))^2}\\\\d=\sqrt{(-7)^2+10^2}\\\\d=\sqrt{49+100}\\\\d=\sqrt{149}

Therefore, if the length of the radius is r=\sqrt{149} units, then r^2=149, making the final equation of the circle (x+4)^2+(y-3)^2=149

5 0
2 years ago
Is 3 yards bigger than 21 feet
umka21 [38]
Yes, 3 yards is bigger than 21 feet because there are 3 feet in a yard. 
5 0
3 years ago
Read 2 more answers
If 1 + + 2 + 3 = 60, then the average (arithmetic mean) of , 2 , 3 , and 4 is equal to what
Zielflug [23.3K]

Step-by-step explanation:

1x+2x+3x=60

x=10

2x+3x+4x=20+30+40=90

average=90÷3=30

3 0
3 years ago
a repair bill for your car is 553. the parts cost 265. the labor cost is 48 per hour write and solve an equation to find the num
Effectus [21]

Let's represent the number of hours with the variable 'h' (or whatever letter you want it to be):

265 + 48h = 553

Substract both sides by 265:

48h = 288

Divide:

h = 6

6 hours of labor was spent

8 0
2 years ago
Solve using the quadratic formula. Write answers as an exact value and as a decimal rounded to the nearest hundredth.
vichka [17]

Answer:

\frac{-2±\sqrt{3} }{2}

dec form: -0.13

Step-by-step explanation:

4 0
3 years ago
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