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
natima [27]
3 years ago
10

If a bridge will hold only 4500 kilograms and an empty truck weighs 26500 hectograms, whats the heaviest load the truck can safe

ly carry across the bridge? Give the answer in kilograms.
Mathematics
1 answer:
Klio2033 [76]3 years ago
4 0

1850 kilograms

26500x0.1 (conversion rate from hg to kg) = 2.650 kg

4500-2650 = 1850

You might be interested in
The scientist performs additional analyses and observes that the number of major earthquakes does appear to be decreasing but wo
kifflom [539]

Answer:

Step-by-step explanation:

Hello!

A regression model was determined in order to predict the number of earthquakes above magnitude 7.0 regarding the year.

^Y= 164.67 - 0.07Xi

Y: earthquake above magnitude 7.0

X: year

The researcher wants to test the claim that the regression is statistically significant, i.e. if the year is a good predictor of the number of earthquakes with magnitude above 7.0 If he is correct, you'd expect the slope to be different from zero: β ≠ 0, if the claim is not correct, then the slope will be equal to zero: β = 0

The hypotheses are:

H₀: β = 0

H₁: β ≠ 0

α: 0.05

The statistic for this test is a student's t: t= \frac{b - \beta }{Sb} ~~t_{n-2}

The calculated value is in the regression output t_{H_0}= -3.82

This test is two-tailed, meaning that the rejection region is divided in two and you'll reject the null hypothesis to small values of t or to high values of t, the p-value for this test will also be divided in two.

The p-value is the probability of obtaining a value as extreme as the one calculated under the null hypothesis:

p-value: P(t_{n-2}\leq -3.82) + P(t_{n-2}\geq  3.82)

As you can see to calculate it you need the information of the sample size to determine the degrees of freedom of the distribution.

If you want to use the rejection region approach, the sample size is also needed to determine the critical values.

But since this test is two tailed at α: 0.05 and there was a confidence interval with confidence level 0.95 (which is complementary to the level of significance) you can use it to decide whether to reject the null hypothesis.

Using the CI, the decision rule is as follows:

If the CI includes the "zero", do not reject the null hypothesis.

If the CI doesn't include the "zero", reject the null hypothesis.

The calculated interval for the slope is: [-0.11; -0.04]

As you can see, both limits of the interval are negative and do not include the zero, so the decision is to reject the null hypothesis.

At a 5% significance level, you can conclude that the relationship between the year and the number of earthquakes above magnitude 7.0 is statistically significant.

I hope this helps!

(full output in attachment)

5 0
3 years ago
Complete the Area Model that would be used to multiply<br><br><br><img src="https://tex.z-dn.net/?f=3x%28x%5E2%2B4x%2B5%29" id="
lianna [129]

Answer:

A triangle is shown Below based on this triangle which one of the following statements is true

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
The Jones family had two gallons of milk before breakfast. The family used two quarts of milk during breakfast. How many quarts
mixer [17]

Answer:

2

Step-by-step explanation:

3 0
3 years ago
A rhombus can always be classified as which of the following?
ollegr [7]

Answer:

square

rectangle

quadrilateral

Step-by-step explanation:

Sides are all equal

3 0
3 years ago
In a woodworking class, you need to make five triangles out of plywood. Each triangle has a height of 6 inches and a base of 14
Bogdan [553]

Answer:5 * (1/2 * 6 * 14)= x

Step-by-step explanation: :D

3 0
3 years ago
Other questions:
  • Function or no function
    9·2 answers
  • Covert 3.92 into a mixed number in simplest from
    5·2 answers
  • Express 245 as a product of its prime factors
    13·1 answer
  • A single batch of cookies requires two cups of sugar and three cups of flour. If more than one batch or a partial batch was made
    15·2 answers
  • G (x) = f ( x + 1).<br>graph​
    7·1 answer
  • Which of the following does NOT represent a student learning at the rate of 15 vocabulary words in 30 minutes
    5·2 answers
  • What is the vertex of g(x) = 3x2 − 12x + 7?<br><br> (−6, −5) <br> (−2, −5)<br> (2, −5)<br> (6, −5)
    14·1 answer
  • A side of a square is 10 cm longer than the side of an equilateral triangle. The perimeter of the square is 3 times the perimete
    8·2 answers
  • I did half the answer but what is e= ?​
    13·1 answer
  • What is the area of stuvwx in the parallelogram below?
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!