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Mumz [18]
3 years ago
15

Jerry has $115 in his savings account and $65 dollars in his checking account If Jerry deposits $20 to his savings account each

week and $45 to his checking
account each week, how many weeks will it be until the two accounts have the same amount of money?
Mathematics
1 answer:
Hatshy [7]3 years ago
5 0

Answer:

after 2 weeks

Step-by-step explanation:

y=20x (savings account)

y=65x (checking account)

20*2 is 40. 115+40 is 155

45*2 is 90. 65+90 is 155

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I lowkey need help on number five like I don’t get it . Am I doing something wrong cause I feel like I am ? And which equation w
Tpy6a [65]

43,802 round to tha nearest thounsand

5 0
3 years ago
A+b=77,a-b=13 care sun nr
STALIN [3.7K]
It's a simultaneous equation:
Steps:
1.Number the equations..

a+b=77 -1
a-b=13 -2

2. Choose what variable you want to use. In this case I would use the "b". Since the signs in front of the "b's" are different, add the two equations together

a + b = 77
+ + +
a (-b) = 13

Which gives;
2a = 90

Then solve to find a:
2a=90
a= 90/2
a=45

3.Then plug the "a" value into any of the original equations to find the "b" value. I would use equation 1 since the all the variables are positive.

a + b = 77
(45) + b = 77
b=77-45
b=32

4.Solution

a=45
b=32
3 0
3 years ago
One third of a number Y
vampirchik [111]

Answer:

⅓y

Step-by-step explanation:

\frac{1}{3}  \times y \\  =  \frac{1}{3} y

4 0
3 years ago
What is the end behavior of the graph of the polynomial function f(x) = –x5 + 9x4 – 18x3?
Oksanka [162]

Answer:

As x approaches ∞, y approaches -∞

As x approaches -∞, y approaches ∞

Step-by-step explanation:

f(x) = -x^5 + 9x^4 - 18x^3

F(x) is a fifth degree (odd function ) with negative leading coefficient

If exponent is odd and leading coefficient is negative then end behavior is

As x approaches ∞, y approaches -∞

As you go on the right , f(x) goes down

As x approaches -∞, y approaches ∞

As you go on the left , f(x) goes up

7 0
3 years ago
Read 2 more answers
Help =)
LenKa [72]
5x = 4y - 3

Standard form is Ax + By = C, so first subtract 4y to both sides:

5x - 4y = -3
8 0
3 years ago
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