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
Alex17521 [72]
4 years ago
5

9a-ab+5b if a=2 and b=7

Mathematics
2 answers:
stira [4]4 years ago
8 0
9×2-2×7+5×7=18-14+35=39
schepotkina [342]4 years ago
6 0

Solution, 9\left(2\right)-\left(2\right)\left(7\right)+5\left(7\right)=39

Steps:

9\left(2\right)-\left(2\right)\left(7\right)+5\left(7\right)

Follow\:the\:PEMDAS\:order\:of\:operations

\mathrm{Multiply\:and\:divide\:\left(left\:to\:right\right)}\:9\left(2\right),\\9\left(2\right)=18,\\18-\left(2\right)\left(7\right)+5\left(7\right)

\mathrm{Multiply\:and\:divide\:\left(left\:to\:right\right)}\:\left(2\right)\left(7\right),\\\left(2\right)\left(7\right)=14,\\18-14+5\left(7\right)

\mathrm{Multiply\:and\:divide\:\left(left\:to\:right\right)}\:5\left(7\right),\\5\left(7\right)=35,\\18-14+35

\mathrm{Add\:and\:subtract\:\left(left\:to\:right\right)}\:18-14+35,\\18-14=4,\\4+35,\\4+35=39,\\

\mathrm{The\:Correct\:Answer\:is\:39}

\mathrm{Hope\:This\:Helps!!!}

\mathrm{-Austint1414}

You might be interested in
Could some one help me pls :/
bixtya [17]

Answer:

What do you need help with?

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
On her iPod music player for every 8 pop songs Debby had she also had 7
labwork [276]

Answer:

prolly 30

Step-by-step explanation:

6 0
3 years ago
What is the distance between the points (3,7) and (15,16) on a coordinate plane ?
Margarita [4]
I believe it is 9,12 or 12,9
8 0
3 years ago
Solve for x in the triangle. Round your answer to the nearest tenth.
Solnce55 [7]

Answer:

<h2>5 . 8</h2><h2 />

Step-by-step explanation:

Hypotenuse = 8\\Adjacent = x\\ Angle = \alpha  = 43\\\\Using ; SOHCAHTOA , \\Cos \alpha  = \frac{adj}{hyp} \\Cos 43 =\frac{x}{8} \\0.73= \frac{x}{8} \\x = 0.73*8\\x = 5.84\\x = 5.8

I hope i am correct

6 0
3 years ago
What is the area of triangle LMN?
VikaD [51]
4 square units ftctbhehdkfv
4 0
3 years ago
Read 2 more answers
Other questions:
  • How to solve this and explain
    8·1 answer
  • Here are two lists of numbers. Guess the next number at the end of each list, and explain why you selected that number. 0, 4, 8,
    6·2 answers
  • 18<br> What is the value of y?<br> 10<br> 2y + 4<br> 10 + 2x<br> 5
    5·1 answer
  • Evaluate 8-m/n+p2 when m=8,n=2,p=7.
    14·1 answer
  • The numbers 4, 5, 6, and 7 are on a spinner. You spin the spinner twice. Which calculation proves that landing on an even number
    8·2 answers
  • 56 books; 75% decrease
    13·2 answers
  •  If 3x + 8x + 4x = 6x + 63, then what is 5x + 2​
    12·1 answer
  • in june , john withdrew 1/5 of the money in his savings account. in july he withdrew 1/3 of what remained. in august, he withdre
    10·1 answer
  • SOMEONE PLZ ANSWER THIS FAST
    11·1 answer
  • If you doubled joes age and added 10 years he would still be younger than his uncle. His uncle is 51. Use inequalities to find h
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!