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
HACTEHA [7]
3 years ago
7

Can someone help me plz Xd

Mathematics
1 answer:
stira [4]3 years ago
8 0

Answer:

-2497

Step-by-step explanation:

Sn=n/2[2a+(n-1)d]

=22/2[2*-40+(22-1)d]

=11(2*-40+(21*-7)

= -2497

You might be interested in
Many communities today are concerned with their local government’s ability to appropriately manage the taxes it collects. If a g
sleet_krkn [62]
D.  the county collects donations to build a fountain in city hall.

8 0
3 years ago
Read 2 more answers
Identify the type of hypothesis test below. H0:X=10.2, Ha:X>10.2 Select the correct answer below: The hypothesis test is two-
Ganezh [65]

Answer:

The hypothesis test is right-tailed

Step-by-step explanation:

To identify a one tailed test, the claim in the case study tests for the either of the two options of greater or less than the mean value in the null hypothesis.

While for a two tailed test, the claim always test for both options: greater and less than the mean value.

Thus given this: H0:X=10.2, Ha:X>10.2, there is only the option of > in the alternative claim thus it is a one tailed hypothesis test and right tailed.

A test with the greater than option is right tailed while that with the less than option is left tailed.

4 0
3 years ago
Wha is the value of x(3) + y(3) when<br> 3 and y = 4?
nordsb [41]

Answer:

25

Step-by-step explanation:

3 x 3 = 9

4 x 4  = 16

9 + 16 = 25

6 0
3 years ago
Hat is the value of x in the equation 3 x minus 4 y equals 65, when y equals 4?
kobusy [5.1K]

Answer:

16.3 repeating

Step-by-step explanation:

3x-4(4)=65

3x-16=65

3x=65-16

3x=49

x=49/3

x=16.3 repeating

8 0
3 years ago
PLZZZZZZZZZZ HELP MEEEEEEEEEEEE!<br>Multiply and SIMPLIFY: 1 / 4 st(−16s^2t^2)
elena-s [515]
-4s^3t^3
Hope this helps
6 0
3 years ago
Other questions:
  • On Monday, Jill used 12 quart of paint in 34 hour. On Tuesday, Jill was distracted by texting and used 12 quart of paint in 54 h
    5·1 answer
  • Order each step and justification that is needed to dove the equation below. 2/3y+15=9
    5·1 answer
  • Check out this rectangular prism. Find the surface area of the rectangle prism (above)) using its net (below)
    10·1 answer
  • Rewrite, differentiate and simplify:<br> 3/(2x)^3
    13·1 answer
  • In planning her​ retirement, Liza deposits some money at 2​% ​interest, with twice as much deposited at 3.5​%. Find the amount d
    14·1 answer
  • Write the equation in general form of a line with a slope of 1 and a y-intercept of -1
    12·1 answer
  • The given bar graph shows the percentage of U.S. women in the labor force from 1960 through 2010. The function f left parenthesi
    13·1 answer
  • Y=1/2x+4 <br> I need to help solving this!! :)
    5·2 answers
  • Coach Wallace wants to raise $1,500 for swim club. His goal is to raise $25 a day (d).
    14·1 answer
  • Math<br><br> please help? ;c
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!