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photoshop1234 [79]
3 years ago
7

Chau and Yoko each opened a savings account today. Chau opened his account with a starting amount of $460, and he is going to pu

t in $60 per month. Yoko opened her account with a starting amount of $530, and she is going to put in $50 per month.
Let x be the number of months after today.

(a) For each account, write an expression for the amount of money in the account after x months.

Amount of money in Chau's account (In dollars) =

Amount of money in Yoko's account (in dollars) =

(b) Write an equation to show when the two accounts would have the same amount of money.
Mathematics
1 answer:
Ber [7]3 years ago
7 0

Answer:

A1-60x+460

A2-50x+530

B-60x7+460

50x7+530

Step-by-step explanation:

A1 and A2-since x is equivalent to number of months we multiply the number of months then add it to the original cost to get how much total you get in the account.

B-you add 50 to 530 and 60 to 460 until they equal the same amount in this case its 7 times.

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You buy a storage case that holds 170 collectible die-cast cars. You have 137 die-cast cars. Write an inequality that describes
Murljashka [212]

Answer:

137 + x <= 170

Step-by-step explanation:

The following inequality will describe this scenario.

137 + x <= 170

the variable x in this scenario represents the total number of cars that you will purchase. This number is added to the number of toy cars that you already own which is 137. As long as this sum is less than or equal to 170 then your storage case will hold them.

4 0
3 years ago
3x + y = 14<br> y = 5<br> Solve the system of equations
lorasvet [3.4K]

Answer:

X=3, y=5

Step-by-step explanation:

3x + y = 14 equation 1

y=5 equation 2

3x + 5 = 14.    substitute value of y from equation 2 into equation 1

3x=9

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6 0
3 years ago
The number of calories you burn depends on your weight. A 160​-pound person burns 237 calories during 30 minutes of tennis. Find
larisa [96]

Answer:

A 190-pound person would burn 285 calories at the same rate.

Step-by-step explanation:

<em>Calories burn depends on the weight</em>

<em>Weight of first person = 160</em>

Calories burn for 160 pounds in 30 mins =  237

Calories burn rate for 1 pound in 30 mins = \frac{237}{160} = 1.5


<em>Calories burn for 190 Pound person would be:</em>

Weight of second person = 190

Calories burn for 190 pounds in 30 min:

As the burn rate of calories is same for the two persons:

= rate × weight

= 1.5 * 190

= 285 calories

5 0
3 years ago
Simplify 8x + 7 – 2x – 4 completely.
harkovskaia [24]

Answer:

6x+3

Step-by-step explanation:

8x +7 - 2x - 4​

8x-2x+7-4 ( combine like terms)

answer:

6x+3

Reminder:Whenever combining like terms, the sign changes the same

Hope this helps and make sure to thank me!

6 0
3 years ago
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Hi please help me with my math homework​
ladessa [460]

Answer:

\frac{8}{27}

hope that helps you

8 0
2 years ago
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