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
AnnyKZ [126]
2 years ago
7

Can somebody help me with this please!!

Mathematics
1 answer:
saul85 [17]2 years ago
8 0

1. -21

2. −39

3.−42

4. -5

5. −3

for the other question u can use calculator :)

You might be interested in
Is the expression 3(x+2) equivalent to 3x+6
Delvig [45]
Yes...

<span> 3(x+2)...using distributive property...

= 3x + 6</span>
6 0
3 years ago
Read 2 more answers
Superman needs to save lois from the clutches of lex luthor. It take superman 5 seconds to get to Lois who is 210 feet away. Wha
xz_007 [3.2K]

Answer:

42 ft/s

Step-by-step explanation:

if superman travels 210 feet in 5 seconds, he will travel a fifth of 210 ft in 1 second

a fifth of 210ft is 210/5=42

hence 42ft/s is his rate.

5 0
2 years ago
Line K passes through the points (6,3) and (-2,-4) what is the slope perpendicular to K
Afina-wow [57]

-8/7

6- -2= 8

3- -4=7

rise over run the slope of K is 7/8

perpendicular is the negative inverse of the slope so it ends up as -8/7

6 0
3 years ago
Using the Quadratic Formula, which of the following is the solution to the quadratic equation x2 - x - 20 = 0?
katovenus [111]
The answer to the question is c
4 0
4 years ago
Read 2 more answers
After the math contest, Badil noticed that there where four extra large pizzas that where left untouched. In addiction, another
Sphinxa [80]
51-3=48 slice.
48 slice/ 4 pizza= 12 slice
each extra large pizza have 12 slice.
4 0
3 years ago
Other questions:
  • A math club has 100 members. 60 members are boys and the rest are gins What is the ratio of boys lo ALL club members?​
    12·2 answers
  • 5x + 3y + 5 +7a – 3x – 2y + 3 =
    12·2 answers
  • A cake tin is 25cm in diameter. how many cake tin can jenny fit on the oven tray at one time
    14·1 answer
  • 8624 to the nearest thousand
    5·2 answers
  • Jasmin's parents allow her to use the family computer 90 minutes each day. How many minutes is she allowed to use the computer d
    13·1 answer
  • A salesperson earns a commission of $264 for selling $2200 in merchandise.
    5·1 answer
  • The triangles are similar. Write a similarity statement for the triangles.
    7·1 answer
  • 4m + 14 - 2m &lt; 2 (m+7)
    9·1 answer
  • Please help me solve this question
    13·1 answer
  • Who is farther? a a Briel and Daniela are siblings. One day, Briel decided to go on a mountain climbing but Daniela went to the
    13·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!