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
DENIUS [597]
3 years ago
10

Insert 5 arithmetic means between -1 and 11

Mathematics
1 answer:
Anni [7]3 years ago
7 0

Answer:

Step-by-step explanation:

-1 1 3 5 7 9 11

That's the answer. If you need a method or a formula, that's a little harder.

L = a + (n - 1)*d

a = -1

L = 11

n = 7

or n is the hard part. If you have 5 means, then you have 6 spaces. So n must be 7 in all

11 = -1 + (7 - 1)*d                   add 1 to both sides. Combine the brackets

11+1 = -1+1+ 6*d

12 = 6d                               divide by 6

12/6 = d

2 = d

What this tells you is that each term has 2 added to it to get to the next one.

   

You might be interested in
I don't have much but 25 points and brainliest pls :/
GaryK [48]

Answer:

x = −5.5 i think

Step-by-step explanation:

Good Luck!

8 0
3 years ago
HELLPPP
Sati [7]

Answer:

Step-by-step explanation:

The temperature starts at 50 and increases because the slope is positive.

4 0
3 years ago
Find all solutions of the equation in the interval [0, 2pi).
mina [271]

Answer:

x = 0 , π

Step-by-step explanation:

-4 \sin x = 1 - cos^2 x

  • Rewrite it by using the identity \sin^2x + \cos^2x = 1

=> -4\sin x = \sin^2x

  • Add 4sin x to both the sides.

=> -4\sin x + 4\sin x = sin^2x + 4\sin x

=> \sin^2x + 4\sin x = 0

  • Take sin x common from the expression in L.H.S.

=> \sin x(\sin x + 4)=0

Here , we can get two more equations to find x.

1) \sin x(\sin x + 4)=0

  • Divide both the sides by sin x

=> \frac{\sin x(\sin x + 4)}{\sin x} = \frac{0}{\sin x}

=> \sin x + 4 = 0

  • Substract 4 from both the sides.

=> \sin x + 4 - 4 = 0 - 4

=> \sin x = -4

=> x = No \; Solution

2) \sin x(\sin x + 4)=0

  • Divide both the sides by (sin x + 4)

=> \frac{\sin x(\sin x + 4)}{\sin x + 4} = \frac{0}{\sin x + 4}

=> \sin x =  0

=> x = 0 \; , \pi over interval [0 , 2π).

5 0
3 years ago
18-12=
kompoz [17]

Answer:

her score was 18/30. for 18+12=30 and out of 30, she had 18 correct

4 0
1 year ago
I need the x axis to solve this
KatRina [158]

Answer:

As a fraction:

x | y

________

|

7/3 | 2

3 | 4

11/3 | 6

13/3 | 8

As a mixed fraction:

x | y

________

|

2 ⅓ | 2

3 | 4

3 ⅔ | 6

4 ⅓ | 8

As a decimal:

x | y

___________

|

2.33.. | 2

3 | 4

3.66.. | 6

4.33.. | 8

You should start with x values since the y values will be easier to plot. x's will not be easy to represent.

For example:

x | y

________

|

0 | -5

1 | -2

2 | 1

3 | 4

4 | 7

5 | 10

6 0
2 years ago
Other questions:
  • VG=12.2 in. PG=13.1 in.
    14·1 answer
  • in the flag shown a the right, line a is a parallel to line b. If m<1=150, find m<4 and m<7. Justify
    12·1 answer
  • This is due tonight and I am struggling with a couple of questions. This is one. Please help
    12·2 answers
  • Mrs. Alberts has taught seventh grade math for thirty years. Every year she calculates and records the class average on the fina
    7·1 answer
  • What is the equation for x in the diagram ?
    6·1 answer
  • I need help with converting liters, millilters, kiloliters etc? Okay, i am really confused! I don't understand how to get 75.01
    8·1 answer
  • If Jane's shirt cost 20$, but she has a 15% off coupon, what is her cost before tax
    11·2 answers
  • Marisa gets paid $50 for 5 hours of work and charges an initial fee of $13
    12·1 answer
  • A pizza dinner for $20 was marked down 20%. What was the new sale cost of the dinner?​
    11·2 answers
  • Find the value of the expression x3−y3+x2+y2+3 by substituting x=−2 and y=1.
    13·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!