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
vladimir1956 [14]
2 years ago
13

Find the value of x.asnswers 50/3756​

Mathematics
1 answer:
vovikov84 [41]2 years ago
6 0

Answer:

x = 6

Step-by-step explanation:

PR / RQ  = P'R' / R'Q'

x / 9 = 10 / 15

cross-multiply:

15x = 90

x = 90/15

x = 6

You might be interested in
What is the answer 3x+15=8x
Art [367]

Answer:

3x +15 = 8x

5x = 15

x = 3

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
a bird flies from the bottom of a canyon that is 81.8 feet below sea level to a nest that is 596 3/5 feet above sea level. what
ELEN [110]
Subtract.

596 3/5 - (-81.8)            [81.8 is below sea level so it is negative]
566.6 + 81.8                  [Convert to decimal and distribute negative]
= 678.4 feet
6 0
2 years ago
A sample of 11001100 computer chips revealed that 62b% of the chips fail in the first 10001000 hours of their use. The company's
STALIN [3.7K]

Answer:

Rule

If;

P-value > significance level --- accept Null hypothesis

P-value < significance level --- reject Null hypothesis

Z score > Z(at 90% confidence interval) ---- reject Null hypothesis

Z score < Z(at 90% confidence interval) ------ accept Null hypothesis

Null hypothesis: H0 = 0.60

Alternative hypothesis: Ha <> 0.62

z score = 1.35

P value = P(Z<-1.35) + P(Z>1.35) = 0.0885 + 0.0885= 0.177

Since z at 0.10 significance level is between -1.645 and +1.645 and the z score for the test (z = 1.35) falls with the region bounded by Z at 0.1 significance level. And also the two-tailed hypothesis P-value is 0.177 which is greater than 0.1. Then we can conclude that we don't have enough evidence to FAIL or reject the null hypothesis, and we can say that at 0.10 significance level the null hypothesis is valid.

Question; A sample of 1100 computer chips revealed that 62% of the chips fail in the first 1000 hours of their use. The company's promotional literature states that 60% of the chips fail in the first 1000 hours of their use. The quality control manager wants to test the claim that the actual percentage that fail is different from the stated percentage. Determine the decision rule for rejecting the null hypothesis, H0, at the 0.10 level.

Step-by-step explanation:

Given;

n=1100 represent the random sample taken

Null hypothesis: H0 = 0.60

Alternative hypothesis: Ha <> 0.62

Test statistic z score can be calculated with the formula below;

z = (p^−po)/√{po(1−po)/n}

Where,

z= Test statistics

n = Sample size = 1100

po = Null hypothesized value = 0.60

p^ = Observed proportion = 0.62

Substituting the values we have

z = (0.62-0.60)/√{0.60(1-0.60)/1100}

z = 1.354

z = 1.35

To determine the p value (test statistic) at 0.01 significance level, using a two tailed hypothesis.

P value = P(Z<-1.35) + P(Z>1.35) = 0.0885 + 0.0885= 0.177

Since z at 0.10 significance level is between -1.645 and +1.645 and the z score for the test (z = 1.35) falls with the region bounded by Z at 0.1 significance level. And also the two-tailed hypothesis P-value is 0.177 which is greater than 0.1. Then we can conclude that we don't have enough evidence to FAIL or reject the null hypothesis, and we can say that at 0.10 significance level the null hypothesis is valid.

3 0
3 years ago
Idk what to put here lol
Sav [38]

Answer:72

Step-by-step explanation:

The big one is 4 times the small one

6 0
2 years ago
EXTRA POINTS!!! Write a system of three inequalities that has (2, 1) in the solution set.
Alex17521 [72]
Your system could be anything, just remember that input should be half than the output.

So, y ≥ 1/2x
5y ≥ 5/2x
10y ≥ 5x

Hope this helps!
5 0
3 years ago
Other questions:
  • Simplify the ratio:<br><br> 2 1/3 feet : 4 1/2 feet
    12·1 answer
  • If I have 5 X's and I take 2 X's away, how many X's<br> will I have left?
    8·1 answer
  • If a minute milebut my friend runs 50% fasterhow fast does my friend run?
    13·1 answer
  • Help with this integral<br><br><img src="https://tex.z-dn.net/?f=%20%5Cint%5Climits%20%5Cfrac%7Bdx%7D%7Bx%5E%7B2%7D-4x-13%7D" id
    12·1 answer
  • I need help solving this and getting the right answer. I got the answers 3.7854 changed to 3.79, and another answer which is 3.7
    12·2 answers
  • What are the coordinates of the midpoint of the segment whose endpoints are A (1,6) and B (5,-2)?
    8·1 answer
  • 1234567890+456789o0=
    11·2 answers
  • I don’t understand.<br> online school is hard
    9·2 answers
  • What is a simplified expression for 2^2.2^3/2^4
    5·1 answer
  • PLEASEEEE HELP ME
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!