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yan [13]
3 years ago
13

Krishna has $4.90 with a combined 34 nickels and quarters. How many of each coin does she have?

Mathematics
1 answer:
Oksana_A [137]3 years ago
7 0

Answer:

Step-by-step explanation:

-34 nickles is = 1.70

34 quarter is  = 8.50

1.70 plus 8.50 plus 4.90 = 15.1 i think

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Find the tax amount given the original price and the tax rate. Round to the nearest cent if necessary. Original price: $58.73 Ta
Hoochie [10]
$54.91

6.5% of 58.73.
Then minus that amount from 58.73


Mark brainliest please
7 0
2 years ago
The Tucker Gym charges a one time fee of $50 plus a $25 monthly membership
FinnZ [79.3K]

Answer:

y = 50 + 25x.............(i)

y = 80 + 15x.............(ii)

x = 3

y = 125

Step-by-step explanation:

The tucker Gym charges a one time fee of $50 plus a $25 monthly membership charge.  

The NoFo health club charges a one time fee of $80 plus a $15 monthly membership fee.

Let

number of month = x

total cost = y

Tucker Gym

y = 50 + 25x.............(i)

NoFo Gym

y = 80 + 15x.............(ii)

combining the equation

y = 50 + 25x.............(i)

y = 80 + 15x.............(ii)

y - 50 = 25x

y/25 - 2 = x

insert x in equation (ii)

y = 80 + 15(y/25 - 2)

y = 80 + 3y/5 - 30

y = 50  + 3y/5

y - 3y/5 = 50

5y - 3y/5 = 50

2y/5 = 50

cross multiply

2y = 250

y = 250/2

y = 125

insert y in equation (i)

125 = 50 + 25x

125 - 50 = 25x

75 = 25x

x = 75/25

x = 3

6 0
3 years ago
The manager of a technology store wants to save $20,000 in 3 years to make a down payment on a condominium. How much (in dollars
Bogdan [553]

Answer:

<h2>$16,104.35</h2>

Step-by-step explanation:

the expression for compound interest is given as

A = P(1 + \frac{r}{n})^{nt}

A=$20,000

P=?

r=7.25%=0.0725

n=52 weeks

t=3 year

20000= P(1 + \frac{0.0725}{52})^{52*3}\\\\20000= P(1 + \frac{0.0725}{52})^{156}\\\\20000= P(1 +0.00139)^{156}\\\\20000= P(1.00139)^{156}\\\\20000=1.2419P\\\\P=20000/1.2419\\\\P=16104.35\\

the manager need to invest $16,104.35

3 0
3 years ago
if A= (-1, -3) and B= (11, -8) what is the length of AB A) 14 units B) 11 units C) 13 units D) 12 units
Anastasy [175]
Distance is the formula : 

DAB = \sqrt{(xA - xB)^2  + (yA - yB)^2}
 
so 

\sqrt{(-1 - 11)^2 + (-3 + 8)^2}

= 13 

Answer is C)


5 0
3 years ago
Someone help please!
UNO [17]
If we imagine it in our head, we can see that the width (base) is 2 and the height is 9
the area is 1/2bh or 1/2*2=9 square units
it is rotated around x axis
meaning we have a sideways cone that is 2 hight and radius is 9
Vcone=1/3(hpir^2)
h=2
r=9
V=(1/3)(2)(3.141592)(9^2)
V=(2/3)(3.141592)(81)
V=(54)(3.141592)
V=169.6459
round
V=169.6 cubic units




base is 2 units
height is 9 units
area is 9 square units
it's a cone (sideways)
it has a volume of 169.6 cubic units
3 0
3 years ago
Read 2 more answers
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