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ElenaW [278]
2 years ago
7

The sum of 28 and 7 in expression form​

Mathematics
1 answer:
kogti [31]2 years ago
8 0

Answer:

28+7=35

Step-by-step explanation:

hope this helps

pls make me brainliest

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Given the formula, y = 3x + 4, enter the value of y in the text box below where the value of x is 2.
kipiarov [429]

Answer:

3x+4=3*2+4

3*2+4=6+4

6+4=10

10=10

7 0
3 years ago
A rectangle has the length of 2x+7 and the width of 9x find the area and the perimeter
seraphim [82]

Answer:

see explaination

Step-by-step explanation:

length (l) = 2x+7

width (b) = 9x

area of rectangle = l×b

=(2x+7)(9x)

=18x^2+63x

perimeter of rectangle = 2(l+b)

=2(2x+7)(9x)

=2(18x^2+63x)

=36x^2+126x

3 0
2 years ago
8 cubed in standard form and exponential form
masya89 [10]

Answer:

  • so 8 cubed (8 × 8 × 8) in standard form is:  512
  • so 8 cubed (8 × 8 × 8) in exponential form is: 8³

Step-by-step explanation:

As we know that

The cube of any given number is that number times itself.

For example, 8 cubed, denoted by 8³ is equal to 8 × 8 × 8.

An exponent basically indicates the number of times we must multiply the base number. For example, to compute 8³, we multiply 3 three times (8×8×8).

  • so 8 cubed (8 × 8 × 8) in standard form is:  512
  • so 8 cubed (8 × 8 × 8) in exponential form is: 8³

8 0
3 years ago
A fish is 4 feet under water and swims up 1 foot towards the surface. What is its position
vampirchik [111]

Answer: \Large\boxed{-3~\text{feet under water}}

Step-by-step explanation:

<u>Given information</u>

\text{Fish is 4 feet under water (-4)}

\text{Swims up by 1 foot (+1)}

<u>Derived expression from the given information</u>

\text{Position = Initial + Change}

<u>Substitute values into the given expression</u>

\text{Position = }(-4)+(1)

<u>Simplify the position</u>

\text{Position = }-3

<u>Therefore, the current position of the fish is:</u>

\Large\boxed{-3~\text{feet under water}}

Hope this helps!! :)

Please let me know if you have any questions

7 0
2 years ago
What is the classification for this polynomial? X2y+3x3
Gre4nikov [31]

Answer:

quadratic

Step-by-step explanation:

hope you got it

7 0
3 years ago
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