1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
MariettaO [177]
3 years ago
12

Solve this system of linear equations. Separate

Mathematics
1 answer:
zepelin [54]3 years ago
5 0

Answer:

Step-by-step explanation:

-9x + y = 16

12x + y = -5

12x + y = -5

9x - y   = -16

21x = -21

x = -1

9 + y = 16

y = 7

(-1,7)

You might be interested in
How do you solve this (−18) ÷ 3 + (5)(−2) ?
Alekssandra [29.7K]
<span>(−18) ÷ 3 + (5)(−2)
Multiply 5 by -2
(-18)/3 -10
Divide -18 by 3
-5-10
Subtract 10 from -5
Final Answer: -15</span>
6 0
3 years ago
Betsy started a business 2 years ago. She had 8 customers in the first year. She added 18
Tatiana [17]

Answer:

Betsy isn't correct. Betsy's calculations are wrong as she made her calculations by multiplying the base number of customers by 3 and then summing it all up for the 4 years under review instead of a continuous multiplication by 3.

26 × 3 × 4 is different from 26 × 3⁴

- If Betsy meets her target for the next 4 years, she will have 2106 customers in 4 years time.

Step-by-step explanation:

- Betsy started her business 2 years ago.

- In the first year, Betsy has 8 customers.

- In the second year, Betsy added 18 customers,

- So, her customers are now 8+18 = 26

- Betsy's goal is that in each of the next 4 years, she will have three times as many customers as the year before.

If the base number of customers is truly 26 this year,

Next year, Betsy would have 26 × 3 = 78 customers.

In 2 years, she would have 78 × 3 = 234

Thus indicating that in t years from now, the number of her customers will be

N(t) = N₀ × 3ᵗ

where

N(t) = number of customers t time from now

N₀ = number of customers at the moment = 26

t = number of years from now.

N(t) = 26 × 3ᵗ

In 4 years from now, Betsy will have

N(t=4) = 26 × 3⁴ = 2,106

So, it is evident that Betsy's calculations are wrong as she made her calculations by multiplying the base number of customers by 3 and then summing it all up for the 4 years under review instead of a continuous multiplication by 3.

26 × 3 × 4 is different from 26 × 3⁴

- If Betsy meets her target for the next 4 years, she will have 2106 customers in 4 years time.

Hope this Helps!!!

5 0
3 years ago
Please help. I’m lost with this.
deff fn [24]

Answer:

35 miles

Step-by-step explanation:

You add up all of the miles on the chart to get 35 miles. Have a great day! I hope this helped.

4 0
2 years ago
when you subtract a negative integer from another, will your answer be greater than or less than the integer you started with? e
BlackZzzverrR [31]
It depends if the negative number is bigger than the positive number your answer will be a negative number/answer for example -9 - 4 your answer would be -5 since the negative number is bigger it will be the other way around for a positive number if the positive number is bigger than the negative number your answer will be positive for example 5 - -2 = 3 or positive 3.
5 0
3 years ago
Which property allows you to write the expression<br> (3 +71) + (8 - 61) as (8 - 61) + (3 + 71)?
Masteriza [31]

Answer:

Commutative Property

Step-by-step explanation:

Commutative property is the property where if you change the order of the operands, it does not change the result.

8 0
3 years ago
Other questions:
  • Please help 99 points <br><br> No wrong answer please.
    7·2 answers
  • Hannah can clear the lot in 5.5 hours. damion can do the same job in 7.5 hours
    15·1 answer
  • Write the first 4 terms for this sequence t(n)=4.5n-8
    12·2 answers
  • The 5th term in a geometric sequence is 140. The 7th term is 35. What are the possible values of the 6th term of the sequence?
    14·1 answer
  • The table shows the number of insects, by type, Bobby saw at a picnic.
    5·2 answers
  • What is the x-intercept of this line?
    10·2 answers
  • A ceramics workshop makes wreaths, trees, and sleighs for sale at Christmas. A wreath takes 3 hours to prepare, 2 hours to paint
    11·1 answer
  • Line C passes through points (0, 2) and (8,8). What is the slope of a line parallel to line C?
    14·1 answer
  • HELP! EASY! Fill in the blanks!
    8·1 answer
  • Calculate the sum.
    6·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!