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yulyashka [42]
1 year ago
15

Math help rn please

Mathematics
1 answer:
belka [17]1 year ago
3 0

Answer:

7

Step-by-step explanation:

He's reading at a rate of 1/3 chapter per night and if there 2 1/3 chapters left to read we can divide the chapters left by his reading rate (2 1/3 ÷ 1/3 = 7 nights).

Another way to solve this problem is to make an equation to show the situation with x being the number of nights reading.

1/3x=2 1/3

<em>Solve for x by dividng 1/3 from each side of the equation.</em>

x=7

So he must read for 7 nights to finish the chapters that are left.

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what happens to the value of the expression 5/x + 5 as x decreases froma large positive number to a small positive number
agasfer [191]

Answer:

The value increases

Step-by-step explanation:

the smaller the divisor, the larger the quotient.

7 0
2 years ago
F(x)=-x^2+8x-11 find the value of f(-1)-f(1)
IrinaVladis [17]

Answer: The answer is (4,5)

Step-by-step explanation:

5 0
3 years ago
What is 1/4+2 2/3+7/4+1/3
algol13

Answer:

5

Step-by-step explanation:

you add then all together to get 5

6 0
3 years ago
Read 2 more answers
Subtracting a number is the same as adding its additive inverse. For which elevation do we need to find the additive inverse?. W
Andreyy89

Answer:

Learning to subtract rational numbers by adding the additive inverse can be explained to your child as being the same as finding the opposite. This can even be described to your child as being a similar concept to one that they have worked with in the past where subtraction is the opposite of addition.

Additive inverse can be defined as adding a number with the opposite or the negative of that number to equal zero. The additive inverse of 1 is (-1), the additive inverse of 2 is (-2) and so on.

Example: 5 + (-5) = 0

In this example, (-5) is the additive inverse.

You can then take additive inverse one step when finding the additive inverse when subtracting rational numbers.

Example: 7 - 4 = 7 + (-4)

3 = 3

When finding the inverse, it is important to keep in mind that what you do to one side, you must do the opposite to another. In the example above, because you subtracted a positive four on one side, you are going to add a negative four to the other. This will make the equation equal on both sides.

Step-by-step explanation:

4 0
3 years ago
Simplify the following expression. 2x^5+3x^3-5x^2+7x+1+7x^5-3x^3-4
alisha [4.7K]

Answer:

9x^5−5x^2+7x−3

Step-by-step explanation:

2x5+3x3+−5x2+7x+1+7x5+−3x3+−4

(2x5+7x5)+(3x3+−3x3)+(−5x2)+(7x)+(1+−4)

9x^5+−5x^2+7x+−3

3 0
2 years ago
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