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3 years ago

After it is purchased, the value of a new car decreases $4000 each year. after 3 years, the car is worth $18,000.

1 answer:

8 0

After x years the value (V) is:

Original - 4000x 

so, after 3 years we have: 

Original - 12000 = 18000 

b: Original = $30,000

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Sienna has 5 3/4 pounds of grapes. She eats 1/8 pound and gives 2 1/2 pounds to her brother. How many pounds of grapes does Sien

miskamm [114]

The pounds of grapes left with seinna is 3.125 or $\frac{25}{8}$ pounds

<h3>Solution:</h3>

Given that Sienna has $5\frac{3}{4}$ pounds of grapes

She eats $\frac{1}{8}$ pound and gives $2\frac{1}{2}$ pounds to her brother

To find: pounds of grapes left with seinna

We can find the pounds of grapes left with seinna by subtracting the pounds of grapes she ate and pounds of grapes she gave to brother from the total pounds of grapes she had

Pounds of grapes left with seinna = total pounds of grapes - pounds of grapes she ate - pounds of grapes she gave to brother

$\text {total pounds of grapes }=5 \frac{3}{4}=\frac{4 \times 5+3}{4}=\frac{23}{4}$

$\text {pounds of grapes she ate }=\frac{1}{8}$

$\text {pounds of grapes she gave to brother }=2 \frac{1}{2}=\frac{2 \times 2+1}{2}=\frac{5}{2}$

Substituting the values we get,

$\text {Pounds of grapes left with seinna }=\frac{23}{4}-\frac{1}{8}-\frac{5}{2}$

$\text { Pounds of grapes left with seinna }=5.75-0.125-2.5=3.125$

Thus the pounds of grapes left with seinna is 3.125 or $\frac{25}{8}$ pounds

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3 years ago

Nalani says the expression 2+5x cannot be factored using the GCF. Is she correct? Explain why or why not

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The correct answer would be D, because there’s no other leading common factors between the two besides one.

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9. A. (3, 6) B. (20, –4) C. (10, –1) D. (–1, 8)

crimeas [40]

Answer:

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Step-by-step explanation:

[1]XXXX3y=−12x+2

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While it is not technically necessary, I find it easier to clear the fractions before actually beginning; so multiplying [1] by 2

[3]XXXX6y=−x+4

Substituting (from [2]) (−x+9) for y in [3]

[4]XXXX6(−x+9)=−x+4

Simplifying

[5]XXXX−6x+54=−x+4

[6]XXXX5x=50

[7]XXXXx=10

Substituting (from [7]) 10 for x in [2]

[8]XXXXy=−10+9=−1

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3 years ago

(30 points) Please, if anyone can give me the answers to my Algebra 1b (semester two) cumulative exam, I'd be forever greatful e

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I can answer individual questions, but i don't know any place where you can get all the answers

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3 years ago

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A+b in terms of a and evaluated these expressions when a = 3

jeka57 [31]

Answer:

a+b=a

or, 3+b=3 (a=3)

or, b= 3-3

or, b=0

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