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
Anit [1.1K]
3 years ago
8

Add or subtract.

Mathematics
1 answer:
artcher [175]3 years ago
3 0

ANSWER:

[1] 8y + 13 + (3y - 11)

  • 8y + 13 + 3y - 11
  • 11y + 2.

[2] - 2n - 15 + (- 5n + 6)

  • - 2n - 15 - 5n + 5
  • - 7n - 10.

[3] - 11x + 5 - (4x - 4)

  • - 11x + 5 - 4x + 4
  • - 15x + 9.
You might be interested in
Please help me with this! I will give 25 points and Brainliest if it is correct!
kotegsom [21]

Answer:16/20

Step-by-step explanation:  

if you divide the two numbers by 4 you have:

16/4=4

20/4=5

(if you divide or multiply both of the numbers with the same number, the ratio will remain the same)

So the two numbers are same

7 0
3 years ago
Read 2 more answers
Correo electrónico Andrew tarda 720 segundos en ducharse. Pasa otros 420 segundos ¿Cuántos minutos se tarda Andrew en ducharse y
yarga [219]

Answer:Andrew tarda 19 minutos en ducharse y desayunar

Explicación paso a paso:

720 seg de ducharse + 420 segundos de su desayuno dan igual a 1140 segudnos

a este numero de segundos hay que pasarlo a minutos. El resultado es 19 minutos que son 1140 segundos

Step-by-step explanation:

4 0
3 years ago
Part of a regression output is provided below. Some of the information has been omitted.
quester [9]

Answer:

301.189

Step-by-step explanation:

Given the table :

Source of Variation - - SS - - - df - - - MS - - - - F

Regression - - - - - -3177.17 - - -2 - - 1588.6

Residual - - - - - - - - ______ --17 - - -17.717

Total - - - - - - - - - - 3478.36 - - 19

Calculate the SSR, Sum of Square residual

The Sum of Square RESIDUAL (SSR), Mean Square Residual (MSR) and Degree of Freedom RESIDUAL (DFR) are related by the formular :

MSR = SSR / DFR

Hence,

SSR = MSR × DFR

Fr the table ;

MSR = 17.717 ; DFR = 17

SSR = (17.717 × 17)

SSR = 301.189

5 0
3 years ago
What is the length of a rectangle whose perimeter is 38 cm and its weight is 9 cm​
Tanzania [10]

Answer:

The length of the rectangle is 29 cm.

Step-by-step explanation:

38 - 9 = 29

8 0
3 years ago
Write 400 as a product of primes. Use index notation when giving your answer.
kati45 [8]
400 = 2×2×2×2×5×5.
400 = 2^4 × 5^2 .
6 0
3 years ago
Other questions:
  • One side of a rectangle is 3 feet shorter than twice the other side find the sides if the area is 209 feet squared
    8·1 answer
  • diane charges $10 for a house call plus $35 an hour for electrical work. if she made $150 on one job,how many hours did she work
    12·2 answers
  • What is the expression in factored form? 9x^2 - 12x + 4
    15·2 answers
  • How would I find all roots to this equation?<br> (3x-1)(x+1)=0
    5·1 answer
  • Use the distributive property to simplify the expression 8(5 plus w)
    8·2 answers
  • &gt;Don’t have to show the number line&lt;
    11·1 answer
  • Help me plz I need help
    14·2 answers
  • GIVING BRAINLIEST!!!!!!
    5·1 answer
  • What does 9a squared + 2b squared if a=4 and b=7?
    14·1 answer
  • Please help me! :D &lt;3
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!