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
Svetach [21]
3 years ago
9

Test of Genius B-78 number eight

Mathematics
1 answer:
Nataliya [291]3 years ago
7 0
\text{What is the question? }
You might be interested in
Dan has 3 ⅔ cups of milk. If he used ¼ of the milk for his breakfast, how much milk does Dan have left?
riadik2000 [5.3K]

There would be 3 2/12 left.

2/3 x 1/4 = 2/12

Hope this helps!

Sorryyyy :C

6 0
3 years ago
Read 2 more answers
consider the triangles shown below. which of the following relationship is needed to prove that ABD ...
Brrunno [24]

A. is the answer.

the 2 triangls have AD = AC

and AB as a common side. therefore the triangls are congruent.

5 0
3 years ago
An article describes an experiment to determine the effectiveness of mushroom compost in removing petroleum contaminants from so
alexgriva [62]

Solution :

Let p_1 and p_2  represents the proportions of the seeds which germinate among the seeds planted in the soil containing 3\% and 5\% mushroom compost by weight respectively.

To test the null hypothesis H_0: p_1=p_2 against the alternate hypothesis  H_1:p_1 \neq p_2 .

Let \hat p_1, \hat p_2 denotes the respective sample proportions and the n_1, n_2 represents the sample size respectively.

$\hat p_1 = \frac{74}{155} = 0.477419

n_1=155

$p_2=\frac{86}{155}=0.554839

n_2=155

The test statistic can be written as :

$z=\frac{(\hat p_1 - \hat p_2)}{\sqrt{\frac{\hat p_1 \times (1-\hat p_1)}{n_1}} + \frac{\hat p_2 \times (1-\hat p_2)}{n_2}}}

which under H_0  follows the standard normal distribution.

We reject H_0 at 0.05 level of significance, if the P-value or if |z_{obs}|>Z_{0.025}

Now, the value of the test statistics = -1.368928

The critical value = \pm 1.959964

P-value = $P(|z|> z_{obs})= 2 \times P(z< -1.367928)$

                                     $=2 \times 0.085667$

                                     = 0.171335

Since the p-value > 0.05 and $|z_{obs}| \ngtr z_{critical} = 1.959964$, so we fail to reject H_0 at 0.05 level of significance.

Hence we conclude that the two population proportion are not significantly different.

Conclusion :

There is not sufficient evidence to conclude that the \text{proportion} of the seeds that \text{germinate differs} with the percent of the \text{mushroom compost} in the soil.

8 0
3 years ago
Find the Area of this figure
Nana76 [90]
The answer is 272 + 102 which equals 374yd^2
3 0
3 years ago
any whole number containing 3 or more digits can be ÷ by 4 if the last two digits form a number that is divisible by 4 why?​
NARA [144]

Answer:

100 is always divisible by 4. Therefore it doesn't matter which number is up front.

the two other digits are important because there are 2-digit-numbers that are not divisible by four. "14" is not divisible by four, but "24" is.

34 isn't divisible, 44 is, 54 isn't.

So both digits will need to form a number that is divisible by 4, or it will not work.

Step-by-step explanation:

n/A

8 0
2 years ago
Other questions:
  • After one hour, the hare had finished 2/3 of a 100-yard race. In that same time, the tortoise had finished 42 3/4 yards. How muc
    14·1 answer
  • What is the value of x in the equation x – y = 30, when y = 15?
    6·2 answers
  • Write 0.31 as a fraction
    15·2 answers
  • WILL MARK BRAINLYLIST PLZZ HELP!!
    11·2 answers
  • The equation below represents Function A and the graph represents Function B:
    10·2 answers
  • 7. Frieda and three of her friends decide to go
    8·2 answers
  • HELP!!!! NO LINKS!!!!! Anthony has a sink that is shaped like a half-sphere. The sink has a volume of 2000/3-TT (pi) (in^3) One
    14·1 answer
  • A 552 ​-inch is cut into two pieces. One piece is three times the length of the other. Find the length of the shorter piece.
    12·1 answer
  • Plz help and explain​
    15·1 answer
  • 1² x 1/4m² x (-6)ml find the product<br>​
    13·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!