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2 years ago

This chart shows what happens when each object is placed on a balance with a 10 kg weight on the other side.

Mathematics

2 answers:

dexar [7]2 years ago

8 0

9514 1404 393

Answer:

Object 1 is the heaviest object.

Step-by-step explanation:

The first column of the table tells you ...

Object 1 is heavier than the 10 kg weight

The second column of the table tells you ...

Object 2 weighs 10 kg

The third column of the table tells you ...

Object 3 is lighter than the 10 kg weight

Then the relative weights are ...

Object 1 > Object 2 > Object 3

That is, Object 1 is the heaviest object.

Harman [31]2 years ago

6 0

Answer:

Object 1 is the Heaveyist!!!!

Step-by-step explanation:

3-column table with 2 rows titled effects of each object. The first row has entries Object 1, Object 2, Object 3. The second row has entries the balance tips toward the object, the balance remains balanced, the balance tips toward the weight.

Which statement is best supported by the information in the chart?

Object 1 is the heaviest object.----------!!!!!!!!!!!!!!!!!!!!!ΨΩΩΣΡξβνζ

Object 3 is heavier than Object 1.

The weight is heavier than Object 2.

The weight is the heaviest object.

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Michelle exercises for half an hour every day. How minutes in total does she exercise for over 5 days?

enyata [817]

First, Michelle exercises for thirty minutes every day.

If Michelle exercises for 30 minutes for 5 days, this would 30 × 5.

30 × 5 = 150 minutes

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2 years ago

Read 2 more answers

Maël mixes 15 milliliter (mL) of bleach with 3.75 liters (L) of water to make a sanitizing solution for a daycare. The amounts o

Yanka [14]

You have not provided the options, therefore, I cannot give you an exact answer.
However, I will try to help you with the concept.

First, we need to make all units the same in the problem. I will convert all units to ml.
We have:
amount of bleach = 15 ml
amount of water = 3.75 liters = 3.75 * 1000 = 3750 ml

Now, we will get the ratio between bleach and water:
$\frac{bleach}{water} = \frac{15}{3750} = \frac{1}{250}$

This ratio is fixed, therefore, to get the right choice:
1- make all units the same
2- for each option, divide the amount of bleach by the amount of water.
The correct choice would be the one giving you $\frac{1}{250}$

Hope this helps :)

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2 years ago

Suppose a set of data about the spread (in hundreds of acres) of a food-borne bacteria (after t weeks) in lettuce has the follow

Alexxandr [17]

Answer:

A sinusoidal model would be used

The kind of function that have consistency in the periodic rate of change is the Average rate of changes

Step-by-step explanation:

The type of model that would be used is sinusoidal model and this is because there is periodic change in the values given ( i.e the rate of changes given )

For percentage rate of changes :

starting from 0.9% there is an increase to 1.3% then a decrease to 1.1% and a further decrease to 1% before an increase to 1.3% and another decrease to 1%

For Average rate of changes:

starting from 2.9 there is a decrease to 2.4, then an increase to 3.7 and another decrease to 3.1 followed by an increase to 3.6 and a decrease back to 3.2

This relation ( sinusoidal model ) is best suited for a linear model because there is a periodic rate of change in the functions

The kind of function that have consistency in the period rate of change is the Average rate of changes

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2 years ago

Suppose you drive 22,000 miles a year and gas averages $3.45 a gallon. What would you save by driving a hybrid that averages 38

BabaBlast [244]

Answer:

$1,616.91

Step-by-step explanation:

Data provided in the question:

Total distance to be driven = 22,000 miles

Average of hybrid = 38 mpg

Thus,

total fuel required by hybrid to travel 22,000 miles = $\frac{22,000}{38}$

= 578.95 gallons

and,

Average of SUV = 21 mpg

total fuel required by SUV to travel 22,000 miles = $\frac{22,000}{21}$

= 1047.62 gallons

Therefore,

savings in fuel = 1047.62 gallons - 578.95 gallons = 468.67 gallons

Thus,

the savings in fuel expenses = Savings in fuel × Cost of gas

= 468.67 × 3.45

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8 0

2 years ago

A mountaineer climbed 1,000 feet at a rate of x feet per hour. He climbed an additional 5,000 feet at a different rate. This rat

yKpoI14uk [10]

Your question asks for an expression, so you would expect an answer in the form of an equation containing variables. This is because you have only 2 independent equations with 3 unknowns. That makes the system unsolvable.

Suppose v₁ is the mountaineer's velocity during the 1,000-foot trail. Then, v₂ is his speed for the 5,000-foot trail. The equation relating these two variables is:

v₂ = 2v₁ - 10 ---> equation 1

Then, you find the equation for the total number of hours he climbed. That would be the distance divided by their respective speed.

t = 1000/v₁ + 5000/v₂ ----> equation 2

Substituting equation 1 to equation 2,

t = 1000/v₁ + 5000/(2v₁ - 10)
t = 1000/v₁ + 5000/2(v₁-5)
t = 1,000/v₁ + 2,500/(v₁-5)

3 0

2 years ago