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andriy [413]
3 years ago
9

NEED ANSWER ASAP!!! (EASY)

Mathematics
2 answers:
Nata [24]3 years ago
4 0
3000(0.25)=750

C is correct. Hope this helps!
skelet666 [1.2K]3 years ago
3 0

Answer: I would say 90, but there percents

Step-by-step explanation:

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L 5.2.3 Quiz: Two-Variable Systems: Substitution
Misha Larkins [42]

Answer:

We get x=3 and y=21

The ordered pair will be: (3,21)

Step-by-step explanation:

We need to use the substitution method to solve the system of equations.

y = 10x-9\\y = x + 18

For substitution method we substitute the value of x or y from one equation to other.

Let:

y = 10x-9--eq(1)\\y = x + 18--eq(2)

Putting value of y from equation 2 into equation 1

y=10x-9\\Put\:y=x+18\\x+18=10x-9\\x-10x=-9-18\\-9x=-27\\x=\frac{-27}{-9}\\x=3

So, we get value of x=3

Now, for finding value of y, We substitute the value of x

Find value of x from equation 2

y=x+18\\x=y-18

Now, putting value of x in equation 1

y=10x-9\\Put\:x=y-18\\y=10(y-18)-9\\y=10y-180-9\\y-10y=-189\\-9y=-189\\y=\frac{-189}{-9}\\y=21

So, we get value of y=21

So, We get x=3 and y=21

The ordered pair will be: (3,21)

6 0
2 years ago
Sam's total expenses last month were $1840. What was his total variable cost for last
likoan [24]

Answer:

$1500

Step-by-step explanation:

It is given that

Rent  = $100

Groceries and drinks = $1000

Insurance premiums   = $10

Loan interest payment  =$30

Clothes  = $200

Utilities  = $300

Home security fee  = $200​

Fixed cost are costs that does not vary and variable cost are costs that vary with goods and services.

In the given problem, rent , insurance premiums, loans interest payment ad home security fee are fixed cost.

Groceries and drinks, clothes and utilities are variable cost.

So, total variable cost for last month is

\text{Total variable cost}=\$1000+\$200+\$300=\$1500

Therefore, total variable cost for last month is $1500.

5 0
2 years ago
The value of a company's equipment is $25,000 and decreases at a rate of 15% per year. What is the value after 9 years?
Sindrei [870]

Answer:

6,812.26

Step-by-step explanation:

I found the answer key

7 0
3 years ago
Look inside the screenshot <33
adelina 88 [10]

<u>Answer:</u>

  • Option B
  • Option C
  • Option D

<u>Step-by-step explanation:</u>

<u>Let's simplify the equation.</u>

  • 5(\frac{x}{3} + 7) - 3(\frac{x}{2} -4)
  • (\frac{5x}{3} + 35) + (\frac{-3x}{2} + 12)
  • \frac{5x}{3}  + 35 - \frac{3x}{2}  + 12
  • \frac{5x(2)}{3(2)} + 35 - \frac{3x(3)}{2(3)} + 12
  • \frac{10x}{6} + 47 - \frac{9x}{6}
  • \frac{x}{6} + 47

Looking at the options, <u>we can see that Option B, C, and D, are correct because we can see that they have a sum of 47.</u>

Hoped this helped.

BrainiacUser1357

3 0
2 years ago
Read 2 more answers
Ben bought 1/2 pound of cheese for 3 sandwiches. If he puts the same amount of cheese on each sandwich, how much cheese will eac
yanalaym [24]
1/6 pounds
1/2 divided by 3 1/6
7 0
3 years ago
Read 2 more answers
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