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otez555 [7]
3 years ago
14

Use an inverse matrix to solve the system of equations, if possible.

Mathematics
2 answers:
MatroZZZ [7]3 years ago
8 0

2x+3y-2=0

x-4y+21=0

do i need to explain orr..?

Colt1911 [192]3 years ago
8 0

Answer:

yes You need to explain step by step explanation

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451 mi + 7.2 hr = ___ ___ (Round to the appropriate number of significant digits.)
gladu [14]

Answer:

Step 1: Enter the number in the respective input field

Step 2: Now click the button “Solve” to get the answer

Step 3: Finally, the significant figures of the number will be displayed in the output field

What is Meant by Significant Figures?

In Mathematics, the significant figures define the number of important single digits that contribute to the degree of accuracy of the given number. The five important rules for the significant figures are as follows:

All the non zero numbers are significant figures

The zero present in between the non zero numbers are significant figures

The leading zeros are not significant

The trailing zeros present at the right side of the decimal point are significant figures

Trailing zeros of the number without a decimal point are not significant figures

The trailing zeros present in the whole number with the decimal point are significant figures

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8 0
2 years ago
In an orchard, there are 14 apple trees, 26 orange trees, and a cherry tree. What is the ratio of apple trees to cherry trees?
AlladinOne [14]

Answer:

The ratio of apple to orange is 3 to 7 because if you simplify 15 to 21, you get that answer.

Step-by-step explanation:

5 0
3 years ago
If your little sister watches you and tries to copy everything you do, she is exhibiting which type of learning?
Elis [28]
<span>social learning

</span>If your little sister watches you and tries to copy everything you do, she is exhibiting which type of learning?
NOT:
classical conditioning
insightful learning
<span>habituation</span>

8 0
3 years ago
7. Is it proportional?
SCORPION-xisa [38]

Answer:

A unit rate is the rate of change in a relationship where the rate is per 1.

The rate of change is the ratio between the x and y (or input and output) values in a relationship.  Another term for the rate of change for proportional relationships is the constant of proportionality.

If the rate of change is yx, then so is the constant of proportionality.  To simplify things, we set  yx=k, where k represents the constant of proportionality.  

If you solve a yx=k equation for y, (like this: y=kx), it is called a direct variation equation. In a direct variation equation, y varies directly with x. When x increases or decreases, y also increases or decreases by the same proportion.

To find y in a direct variation equation, multiply x by the constant of proportionality, k.

For example: Given the relationship y=7x, the constant of proportionality k=7,  so if x=3,  then y=3×7 or 21.

Given the same relationship, if x=7,  then y=7×7, or 49.  

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
What is .9898 as a fraction
AysviL [449]
98 98/100 because you move the decimal point over 2 times
3 0
3 years ago
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