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
Mademuasel [1]
3 years ago
15

Evalute m-2n if m= -3 and n= -8

Mathematics
1 answer:
stich3 [128]3 years ago
8 0
M = -3
n = 8
plug in your variables.
-3 - (2 x -8)
two negatives make a positive, so it would be positive 16
-3 + 16
= 13
You might be interested in
I forgot how to do most of this yet they gave it to me as hw ‍♀️
svp [43]

18.

-2(-9)+3

18+3

21

Explanation: -2(-9) When multiplying numbers that have both a negative sign, the answer is positive. Multiply normally.

19.

-6(-4)0

24(0)

0

Explanation: -6(-4) As I explained before, the answer would be positive.

24(0) Every number multiplied by 0 is 0.

20.

56+(-7)

49

Explanation: 56+(-7) Any problem like this is just basically going to be 56-7.

21.

-36+(-4)

-40

Explanation: -36+(-4) You are simply adding normally then adding the sign. This will only work if the signs are the same. (Signs are positive and negative.)

   

8 0
3 years ago
Read 2 more answers
Ms.Henderson is using triangles in her graphic design project.The triangles are isosceles.One had a base of 4 inches and legs of
tester [92]
If the two triangles are similar you can use a proportion to solve for the length of the legs.
\frac{2}{4}=\frac{x}{9}
Now, you would cross multiply to get 
4x=18
Now, you simplify that using the division property of equality.
You end up with 
x=4.5
Therefore, the legs of the triangle with a base of 9 inches will each be 4.5 units long.
4 0
3 years ago
The number of orange cats was 8 times the number of grey cat.the total number of cats was 117 .how many orange cats are at the p
Eduardwww [97]
1 unit :
117 ÷ 9 = 13

orange cats :

13 x 8 = 104
5 0
3 years ago
If you double a number and add 1 you get 11 what is the number
Anna35 [415]

Answer:

Should be 5, hopes this helps

Step-by-step explanation:

That's it.

7 0
3 years ago
Lyle is camping at a campground. Lyle's cabin is represented by the point (-27,23). The dining hall is located 21 meters east an
Sergeeva-Olga [200]

\bf ~~~~~~~~~~~~\textit{distance between 2 points} \\\\ \stackrel{\textit{Lyle's cabin}}{(\stackrel{x_1}{-27}~,~\stackrel{y_1}{23})}\qquad \stackrel{\textit{dining hall}}{(\stackrel{x_2}{-6}~,~\stackrel{y_2}{3})}\qquad \qquad d = \sqrt{( x_2- x_1)^2 + ( y_2- y_1)^2} \\\\\\ d=\sqrt{[-6-(-27)]^2+[3-23]^2}\implies d=\sqrt{(-6+27)^2+(3-23)^2} \\\\\\ d=\sqrt{21^2+(-20)^2}\implies d=\sqrt{841}\implies d=29

8 0
3 years ago
Other questions:
  • What is 3 2/9 times 1 5/7
    15·1 answer
  • If isosceles triangle ABC has a 130° angle at vertex B, which statement must be true?
    8·2 answers
  • Help me pleaseeeeeeeeeeeee
    7·2 answers
  • Rational or irrational 0.135135135135
    15·1 answer
  • Ben buys bottles of sports drinks from the store for $2 each and takes them to his school's football games. He sells
    6·2 answers
  • There are three silver bows for every four red bows in a bag. what is the ratios?
    5·2 answers
  • If the length is 18 inches and the width is 24 inches what's the area
    7·1 answer
  • HELP PLEASE, WILL GIVE BRAINLIEST A rectangle has a base of 5 inches and a height of 7 inches. If the dimensions are cut in half
    7·1 answer
  • 30 POINTS FOR ONE QUESTION!!!!
    9·2 answers
  • How many solutions does the following equation have?
    9·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!