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2 years ago

Find the equation of the linear relationship.

Mathematics

1 answer:

defon2 years ago

3 0

Answer: The equation of a linear relationship is y = mx + b, where m is the rate of change, or slope, and b is the y-intercept (The value of y when x is 0).

Step-by-step explanation:

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The approximate weights of two animals are 4.23 x 103 lbs. and 8.7 x 103 lbs. find the total weight of the two animals. write th

vagabundo [1.1K]

The total weight of two animals in scientific notation is 1.3 x 10⁴ lbs.

Scientific Notation:

A number is written in scientific notation when a number between 1 and 10 is multiplied by a power of 10.

For example,

650,000,000 can be written in scientific notation as 6.5 ✕ 10⁸.

Given,

The approximate weights of two animals are 4.23 x 10³ lbs. and 8.7 x 10³ lbs.

Here we need to find the total weight of the two animals and we need to write the final answer in scientific notation with the correct number of significant digits.

The total weight of the two animals is calculated as

Total weight = Animal 1 + Animal 2

So,

Total weight = 4.23 x 10³ lbs + 8.7 x 10³ lbs.

Take 10³ lbs as the common term,

Then we get,

Total weight = (4.23 + 8.7) x 10³ lbs.

Total weight = 12.93 x 10³ lbs.

It can we rewritten as,

Total weight = 1.293 x 10⁴ lbs.

When we round off it, then we get,

Total weight = 1.3 x 10⁴ lbs.

Hence, the total weight of the two animals is 1.3 x 10⁴ lbs.

To know more about Scientific Notation here.

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8 0

1 year ago

The ratio of pens to pencils in the box is 84 to 112. Which statement describes this relationship?

Oksi-84 [34.3K]

Answer:

For every 84 pens there are 112 pencils in the box.

Step-by-step explanation:

We are given the following information in the question.

We are given a ratio of pens to pencil is 84 to 112.

Ratio is a relationship between two numbers that helps us to know how first number is related to the second number.

This can be written as: 84 : 112

This can be read as: For every 84 pens there are 112 pencils in the box.

Simplifying the fraction we have:

$\displaystyle\frac{84}{112} = \frac{21}{28}$

This ration can be written as 21 : 28 which means for every 21 pens in a box there are 28 pencils in the box.

3 0

3 years ago

Read 2 more answers

How many lines of symmetry does an isosceles triangle have

timofeeve [1]

Answer: 1

Step-by-step explanation: can only be split evenly by one line.

4 0

3 years ago

Read 2 more answers

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Katyanochek1 [597]

Answer:

Step-by-step explanation:

7 0

4 years ago

Marcia can make 5 candles in an hour. Kevin can make only 4 candles in an hour, but he already has 7 completed candles. Explain

RUDIKE [14]

M(h)=5h
that is marcia's number of candles where she makes 5 candles per hour (h)

kevin makes 4 but already did 7 so
k(h)=4h+7

when will they have same numbre of candles?
when will m(h)=k(h)
set equal

5h=4h+7
minus 4h from both sides
1h=7

answer is 7 hours

system of equation is
m=5h
k=4h+7
find what value of h makes m=k true

answer is 7 hours

7 0

4 years ago