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]
3 years ago
5

Something x (-2) = 70

Mathematics
1 answer:
bija089 [108]3 years ago
7 0

Answer:

The answer is x = -35

You might be interested in
N = 9
g100num [7]

Answer:

The <em>p</em>-value is 0.809.

Step-by-step explanation:

In this case we need to perform a significance test for the standard deviation.

The hypothesis is defined as follows:

<em>H</em>₀: <em>σ</em>₀ = 4 vs. <em>Hₐ</em>: <em>σ</em>₀ ≤ 4

The information provided is:

<em>n</em> = 9

<em>s</em> = 3

Compute the Chi-square test statistic as follows:

\chi^{2}=\frac{(n-1)s^{2}}{\sigma_{0}^{2}}

     =\frac{(9-1)\cdot (3)^{2}}{(4)^{2}}\\\\=\frac{8\times 9}{16}\\\\=4.5

The test statistic value is 4.5.

The degrees of freedom is:

df = n - 1

   = 9 - 1

   = 8

Compute the <em>p</em>-value as follows:

p-value=P(\chi^{2}_{9}>4.5)=0.809

*Use a Chi-square table.

Thus, the <em>p</em>-value is 0.809.

7 0
2 years ago
Please answer and simplify -5/8 + (-8/5)
alexandr402 [8]

Answer:

-89/40 or simplified it is -2 9/40

6 0
3 years ago
Read 2 more answers
Please help me just number 8
Rufina [12.5K]

Answer:

a. 3.9714285714 b.1.404040404

Step-by-step explanation:

13.9/3.5

13.9/9.9

I do not know if this is correct, but give it a try.

4 0
3 years ago
Read 2 more answers
If your smart please help me answer this question .
diamong [38]

Answer:

it should be 30 or something I'm pretty sure that's the answer

8 0
2 years ago
Help me please urgent
asambeis [7]

Let \:  x  \: be  \: the \:  number \:  of \:  hours \\ Expession: - 4.5x =  - 27\Leftrightarrow x =  \frac{ - 27}{ - 4.5}  = 6 \: hours

7 0
2 years ago
Other questions:
  • Give 2 numbers that fit this description: a number is less than another number but has a greater absolute value. Describe how yo
    13·1 answer
  • Four times the sum of f and g is identical to six times g
    14·2 answers
  • the newspaper has more than 30 pages and fewer than 40 pages the newspaper is divided into sections each section has exactly eig
    5·1 answer
  • How many points are contained on a line?
    15·1 answer
  • Which of the following best describes the lines y = 5 and
    8·1 answer
  • Which angles below are complementary angles and which are supplementary angles?
    13·1 answer
  • The two expressions represents the amount of sales at an electronic store on Saturday and Sunday
    7·1 answer
  • Which of the following equations have a solution of y = 8?
    11·1 answer
  • Part H
    15·2 answers
  • tickets to a carnival are $5 for adults and $3 for children. if 215 people attend and the receipts were $925 , how many tickets
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!