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
stealth61 [152]
4 years ago
8

Evaluate 2a-5b-3a for a=-2 and b=5 a. -23 b. 27 c.-35 d-15

Mathematics
2 answers:
stepladder [879]4 years ago
7 0

Answer:

a. -23

Step-by-step explanation:

2a-5b-3a

The first step is combine terms

-a -5b

a = -2 ad b=5

-(-2) -5(5)

+2 -25

-23

Fudgin [204]4 years ago
3 0
Put the numbers given accordingly in the equation

bracket means multiply
2(-2)-5(5)-3(-2)
=-4-25+6
=-23

a. -23
You might be interested in
Jello someone help is this correct answer <br> No links or files <br> Correct answer please
Dvinal [7]

Answer:

c is the right answer

Step-by-step explanation:

5 0
3 years ago
What is 3/7 in words
Marrrta [24]
Three sevenths !!!!!!
4 0
3 years ago
If f(x)=4x3+3x2−5x+20 and g(x)=9x3−4x2+10x−55, what is (g−f)(x)?
Montano1993 [528]

Answer:

Step-by-step explanation:

(g-f)(x) = 9x³ - 4x² + 10x - 55 - [ 4x³ +3x² - 5x + 20]

To remove the parenthesis, take - inside, multiply f(x) by -1

= 9x³ - 4x² + 10x - 55 -  4x³ - 3x² + 5x - 20  

Now, bring like terms together,

= 9x³ - 4x³ - 4x² - 3x² + 10x + 5x - 55 - 20

= 5x³ - 7x² + 15x - 75

3 0
4 years ago
The product of two numbers is 20. If one of the numbers is 5/14, what is the other number
Gnesinka [82]

Answer:

56 is the other number

Step-by-step explanation:

let the first number be a

the other number is 5/14 from the question

a x 5/14 = 20

5a/14 = 20

5a = 14  x 20 = 280

a = 280/5 = 56

5 0
4 years ago
Calculate the slope of the line for Graph B.
Alex

Answer:

-1

Step-by-step explanation:

rise = -2

run = 2

Slope = rise / run

= -2/2 = -1

Since also the angle made by the line and x axis in anti clockwise direction is > 90° the slope will be-ve .

7 0
3 years ago
Read 2 more answers
Other questions:
  • What is 4.10 in words
    7·2 answers
  • Nickolai lives at one end of Oregon Trail. Sydney lives at the other end of the trail. It is 5.8 kilometers from one end of Oreg
    10·2 answers
  • A spinner is separated into 3 equal pieces, as shown below: Mary spins the spinner 6 times. What is the theoretical probability
    6·1 answer
  • Solve fora - 26 = - 2w Simplify your answer as much as possible
    10·1 answer
  • The drama club at a local high school sells adult, teen, and child tickets for a school play. The matrix below represents the ti
    7·1 answer
  • 120% of x is equal to 78 what is x<br>​
    10·1 answer
  • Allan wants to randomly choose a pair of pants and a shirt from his closet. The list below shows all possible combinations of pa
    5·1 answer
  • Find the ratio of 3 km to 3000 m
    12·2 answers
  • 5
    6·1 answer
  • Is the given number a solution of an equation or inequality 3x-4=10;5
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!