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Inessa05 [86]
3 years ago
8

What is the least common multiple of 23 and 92?

Mathematics
2 answers:
krok68 [10]3 years ago
6 0

Answer:

92

Step-by-step explanation:

23: 23, 46, 69, 92

92: 92

jeka943 years ago
4 0

Answer:

92

Step-by-step explanation:

92 is a multiple of 23

23(4)=92

92 is the smallest number that both 92 and 23 will go into.

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The piney creek swim club is preparing for opening day. the pool holds 22,410 gallons of water and the water is being pumped in
andrew-mc [135]

Answer:

Yes,

Step-by-step explanation:

all you do is 540x42 which gives you 22680 and the pool only needs to be filled up with 22410, so yes

8 0
3 years ago
A researcher compares two compounds (1 and 2) used in the manufacture of car tires that are designed to reduce braking distances
wariber [46]

Answer:

Step-by-step explanation:

Hello!

The objective of this experiment is to compare two compounds, designed to reduce braking distance, used in tire manufacturing to prove if the braking distance of SUV's equipped with tires made with compound 1 is shorter than the braking distance of SUV's equipped with tires made with compound 2.

So you have 2 independent populations, SUV's equipped with tires made using compound 1 and SUV's equipped with tires made using compound 2.

Two samples of 81 braking tests are made and the braking distance was measured each time, the study variables are determined as:

X₁: Braking distance of an SUV equipped with tires made with compound one.

Its sample mean is X[bar]₁= 69 feet

And the Standard deviation S₁= 10.4 feet

X₂: Braking distance of an SUV equipped with tires made with compound two.

Its sample mean is X[bar]₂= 71 feet

And the Standard deviation S₂= 7.6 feet

We don't have any information on the distribution of the study variables, nor the sample data to test it, but since both sample sizes are large enough n₁ and n₂ ≥ 30 we can apply the central limit theorem and approximate the distribution of both variables sample means to normal.

The researcher's hypothesis, as mentioned before, is that the braking distance using compound one is less than the distance obtained using compound 2, symbolically: μ₁ < μ₂

The statistical hypotheses are:

H₀: μ₁ ≥ μ₂

H₁: μ₁ < μ₂

α: 0.05

The statistic to use to compare these two populations is a pooled Z test

Z= \frac{(X[bar]_1-X[bar]_2)-(Mu_1-Mu_2)}{\sqrt{\frac{S^2_1}{n_1} +\frac{S^2_2}{n_2} } }

Z ≈ N(0;1)

Z_{H_0}= \frac{69-71-0}{\sqrt{\frac{108.16}{81} +\frac{57.76}{81} } }= -1.397

The rejection region if this hypothesis test is one-tailed to the right, so you'll reject the null hypothesis to small values of the statistic. The critical value for this test is:

Z_{\alpha  } = Z_{0.05}= -1.648

Decision rule:

If Z_{H_0} > -1.648 , then you do not reject the null hypothesis.

If Z_{H_0} ≤ -1.648 , then you reject the null hypothesis.

Since the statistic value is greater than the critical value, the decision is to not reject the null hypothesis.

At a 5% significance level, you can conclude that the average braking distance of SUV's equipped with tires manufactured used compound 1 is greater than the average braking distance of SUV's equipped with tires manufactured used compound 2.

I hope you have a SUPER day!

4 0
3 years ago
The design is rotated about the line x=1 to produce the shape of the urn. Finish the potter's design by drawing a picture
VLD [36.1K]

Answer:

I am on this same question and have no idea

Step-by-step explanation:

5 0
2 years ago
During a sale , a shop allows 20%
Dafna1 [17]

Answer:

$24

Step-by-step explanation:

original price of a dress = $30

discount = 20%

discount amount = discount% of original price

=20/100 * 30

=30/5

=$6

price that consumer will pay after discount = $30 - $6

=$24

6 0
3 years ago
Read 2 more answers
8 216 899 (nearest million)​
PolarNik [594]

Answer:

8 milliom

Step-by-step explanation:

its ez

5 0
3 years ago
Read 2 more answers
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