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KIM [24]
3 years ago
9

Write in expanded form. 7,891

Mathematics
1 answer:
sdas [7]3 years ago
3 0

Seven thousand, eight hundred and ninety one

7000+800+90+1

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Which of the equations below represents a line parallel to the x-axis
Mariulka [41]
It would be y=5 as your answer
6 0
3 years ago
What is the value of x2+3x-7 when x = -4?
ivann1987 [24]

Answer:

\huge{ \fbox{ \sf{ - 3}}}

Step-by-step explanation:

\underline{ \text{Given}} :

\longrightarrow{ \sf{ \: x =  - 4}}

\underline{ \text{To \: find}} :  \: \sf{Value \: of \: the \: given \: expression}

\sf{ {x}^{2}  + 3x - 7}

\text{Step \: 1} : Plug the value of x

\sf{ {  \mapsto (  - 4)}^{2}   + 3 * \: ( - 4) \:  - 7}

\text{Step \: 2} : Evaluate the power

\underline{ \text{Remember!}} : Multiplying a negative integer by a negative integers gives a positive integer.

\mapsto{ \sf{16 + 3 \: * \: ( - 4) - 7}}

\text{Step \: 3} : Multiply : 3 by -4

\underline{ \sf{Remember!}} : Multiplying positive integer by any negative integer gives a negative integer.

\mapsto{ \sf{16 + ( - 12) - 7}}

\underline{ \text{Remember!}} : ( + ) * ( - ) = ( - )

\mapsto{ \sf{16 - 12 - 7}}

\text{Step \: 4} : Subtract 12 from 16

\mapsto{ \sf{4 - 7}}

\text{Step \: 5} : Subtract 7 from 4

\underline{ \text{Remember!}} : The negative and positive integers are always subtracted but posses the sign of the bigger integer.

\mapsto{ \boxed{ \sf{ - 3}}}

Remember to follow PEMDAS

Parentheses , Exponents , Multiplication , Division , Addition , Subtraction

Hope I helped!

Best regards! :D

~\text{TheAnimeGirl}

8 0
3 years ago
What is th range of the function?
andrey2020 [161]

Answer:

Option D. [4,9]

Step-by-step explanation:

we know that

The range of a function is the complete set of all possible resulting values of the dependent variable (output values), after we have substituted the domain (input values)

In this problem we have

The domain of the function (input values or independent variable) is the interval [2,3,4]

The range of the function (output variable or dependent variable) is the interval [4,9]

3 0
3 years ago
Hello, can someone please assist me with this problem.
Nadya [2.5K]
So for this problem you need to find the length of a side of the square. To do this you can use Pythagorean theorem to find the length of the right triangle with the side of the square as it’s hypotenuse.
The Pythagorean theorem is:
a^2 + b^2 = c^2
a = 1 and b = 3
1^2 + 3^2 = c^2
10 = c^2
square root of 10 = c

Now that we know the length of the side, we can find the area of the square. Area of a square = side^2, so:
Area = (square root of 10)^2 = 10

The area of the square is 10!

4 0
3 years ago
1. If you drink milk, then you grow?​
Ksenya-84 [330]

Answer:

false

Step-by-step explanation:

we can drink water and still grow

8 0
3 years ago
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