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ryzh [129]
4 years ago
10

Please Help Me!! I need to know the answer quickly!!

Mathematics
1 answer:
aivan3 [116]4 years ago
8 0
1. A and B
2A. 1
2B. 4
3B. 4
3A. 2y and y
3B.none
3C. 5x and x squared
Not completely sure though
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Rhonda has $4.85 in coins. If she has six more nickels than dimes and twice as many quarters as dimes, how many coins of each ty
Novay_Z [31]

Answer: nickels = 13, dimes = 7, quarters = 14

<u>Step-by-step explanation:</u>

First, set up the equations for each coin:

\begin {array}{c|c|c|l}\underline{\quad Type\quad }&\underline{Value}&\underline{Quantity}&\underline{\qquad \qquad \qquad Equation\qquad }\\ Nickel& \$0.05&6+d&0.05(6+d) = 0.30 + 0.05d\\Dime& \$0.10&d&\qquad 0.10(d)=0.10d\\Quarter& \$0.25&2d&\qquad 0.25(2d)=0.50d\\\end{array}

Next, the sum of the coins is $4.85 so substitute and solve for the variable:

   Nickels         +   Dimes  +   Quarters = Sum

(0.30 + 0.05d)  +    0.10d   +     0.50d   =  4.85

0.30 + 0.65d = 4.85

            0.65d = 4.55

                    d = 7

Lastly, plug the d-value into the quantity equation for the nickels and quarters to find their quantity.

nickels: 6 + d   = 6 + (7)   = 13

quarters: 2d   = 2(7)   = 14

6 0
3 years ago
(X-5)(x-5)-3=1<br><br> Value of x, I give 10 points to the best answer, please.
kodGreya [7K]

Answer:x= 7, 3

Step-by-step explanation:

7 0
3 years ago
Jenny is going to try out for the track and field team at the end of the summer. To get into shape she's started jogging every m
pogonyaev
ANSWER: .5X+1
X=NUMBER OF WEEKS AFTER THE FIRST WEEK.
I WOULD APPRECIATE A BRAINLIEST THANK YOU!
6 0
3 years ago
Someone please help with this question!
Stella [2.4K]

Answer:

There are 0.475 pounds of apples in each tart.

I arrived in this number by dividing the total number of pounds by the total number of tarts made.

475 pounds divided by 1000 tarts is equal to 0.475 pounds per tart.

475 lbs/1000 tarts = 0.475 lbs/tart

So, if you are to bake a certain number of tarts and need to know the total number of pounds of apple needed to bake you can use this equation.

y = 0.475x

where y represents the total number of pounds needed to bake x number of tarts with a fixed 0.475 pounds per tart.

Step-by-step explanation:

7 0
3 years ago
9/10 + 9/100 + 9/1000 + 9/10000 + … =
Korvikt [17]

Answer: 0.9999

Step-by-step explanation:

4 0
3 years ago
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