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saul85 [17]
4 years ago
6

7*9=(7*10)-7*A) what is the value of A

Mathematics
1 answer:
Aliun [14]4 years ago
7 0
7*9=(7*10)-7*a
    63 = 70-7a
   -70    -70
-7=-7a
-7/-7 =1
1=a
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Avery works on commission as a car saleswomen.she sold a car today that cost 8,000$ and received a 400$ commission.What percent
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800 is 10% of 8,000. So half of 800 is 400. That makes the percent of her sale that is Avery's commision is 5%. 
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Ninety two and forty on hundredths in standard decimal form
makkiz [27]

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92.40 is the answer for your question.

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Step-by-step explanation:

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3 years ago
Kenny had 5/7 more trading cards than lee. After Kenny collected 50% more trading cards, he had 220 more trading cards than lee.
svp [43]

Answer:

Step-by-step explanation:

Let X is the number of cards Kenny has

Let Y is the number of cards Lee has

1. Kenny had 5/7 more trading cards than lee, it means

X = Y + 5/7X (1)

2. After Kenny collected 50% more trading cards, he had 220 more trading cards than lee, it means:

X + 50%X = Y +  220 (2)

So, we solve the 2 equations to find out X and Y

\left \{ {{X=Y + 5/7X} \atop {1.5X=Y +220}} \right.

<=> X = \frac{3080}{17} and Y = \frac{880}{17}

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6 0
3 years ago
16. Model Real Life Your aunt and uncle
earnstyle [38]

The amount of each payment is $699.

What is payment?

Payment refers to the exchange of something of value as a condition of a contract. While one party pays money and receives something else of value, the other party gets paid in return for delivering a good or service. Physical currency was once the most common form of payment, but nowadays most forms of payment use technology.

Given: Buy 2 personal watercrafts for $3,495 each.

So, the price for 2 watercrafts is, 2 x $3495 = $6990

They make 10 equal payments for the watercrafts.

So each payment is of $6990/10 = $699.

Hence, the amount of each payment is $699.

To know more about payment, click on the link

brainly.com/question/25793394

#SPJ1

3 0
1 year ago
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