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3 years ago

I HAVE BEEN TRYING TO GET THIS ANSWER AND NO ONE WILL HELP ME:( PLEASE HELP!! GREATLY APPRECIATED!

Mathematics

1 answer:

Mekhanik [1.2K]3 years ago

3 0

Answer:

a) 2800-( 28000 * 12,5%) * X

b) 7000$

Step-by-step explanation:

X = amount of year

2800-( 28000 * 12,5%) * X = value of a car after X year

Your mean like that :))

The value of the car decreases per year :

28000 * 12,5% = 3500$ per year

The value of the car after 6 years :

28000 - 3500 * 6 = 7000$

Done :))

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Mischa and Ben's combined SAT score was 2290. Ben and Ashley's

alexdok [17]

Answer:

Ashley=1450

Ben= 1080

Mischa= 1210

Step-by-step explanation:

M= Mischa

B= Ben

A= Ashley

M+B=2290

A+B=2530

M+A=2660

M-A= -240

so 2M = 2420, and M= 1210

Then

1210 + B = 2290

B= 1080

Then

1210 + A= 2660

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3 years ago

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Answer:

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Step-by-step explanation:

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3 years ago

Nuts.com sells raw almonds for $10 per pound and roasted pistachios for $12 per pound. Christopher spends $70, before taxes and

sp2606 [1]

Christopher purchased 2.8 pounds of almonds and 3.5 pounds to roasted pistachios.

Step-by-step explanation:

Cost of almonds per pound = $10

Cost of roasted pistachios = $12

Total amount spent = $70

Weight of nuts = 6.3

Let,

Weight of almonds = x

Weight of roasted pistachios = y

According to given statement;

x+y=6.3 Eqn 1

10x+12y=70 Eqn 2

Multiplying Eqn 1 by 10

$10(x+y=6.3)\\10+10y=63\ \ \ Eqn\ 3$

Subtracting Eqn 3 from Eqn 2;

$(10x+12y)-(10x+10y)=70-63\\10x+12y-10x-10y=7\\2y=7$

Dividing both sides by 2

$\frac{2y}{2}=\frac{7}{2}\\y=3.5$

Putting y=3.5 in Eqn 1

$x+3.5=6.3\\x=6.3-3.5\\x=2.8$

Christopher purchased 2.8 pounds of almonds and 3.5 pounds to roasted pistachios.

Keywords: linear equations, elimination method

Learn more about elimination method at:

#LearnwithBrainly

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3 years ago

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Answer:

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Step-by-step explanation:

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If I am right, please give me brainliest!!!!

- Hermionia

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3 years ago

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Sliva [168]

I got

Vertex = (2,7)

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3 years ago