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Studentka2010 [4]
3 years ago
7

Consider the rectangle.

Mathematics
1 answer:
zaharov [31]3 years ago
4 0

Answer:

\boxed{ \underline{ \underline { \bold{  \tt{4(x + 1) \: and \: 4x + 4}}}}}

☯\underline{ \underline{ \text{Question}}} :

☥ Which pair of expressions represents the area of the rectangle?

☐ 2(x + 1) + 2 (4) and 2x +9

☐ 2(x + 1) +2 (4) and 2x + 10

☐ 4(x + 1) and 4x + 1

☑ 4(x + 1) and 4x + 4

☪ \underline{ \text{Given :}}

  • Length of a rectangle ( L ) = 4
  • Breadth of a rectangle ( B ) = x + 1

☪ \underline{ \text{To \: Find} : }

  • Pair of expressions which represents the area of the given rectangle

☪ \underline{ \text{Solution}} :

❀ \underline{ \boxed{ \sf{Area \: of \: a \: rectangle = length \times breadth}}}

↦ \sf{4 \times (x + 1)}

↦ \boxed{ \sf{4(x + 1)}}

Also , In 4 ( x + 1 ) , if we distribute 4 through the parentheses , it would be 4*x + 4*1 = \boxed{ \sf{4x + 4}}.

Hence , the right answer is of last option { i.e  4 ( x + 1 ) and 4x + 4 } .

And we're done !

Hope I helped!!

♡ Have a wonderful day / night ツ

~ \text{TheAnimeGirl} ♪

▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁

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3 years ago
Can someone solve this? and tell me how?
maksim [4K]

Answer:

1/3

Step-by-step explanation:

When working with balanced expressions (stuff on both sides of the equal sign), "what you do to one side, you do to the other", which keeps it balanced.

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The reverse of exponents is <u>square root</u>.

(4x + 10)^{\frac{1}{4}} = (9 + 7x)^{\frac{1}{4}}\\\sqrt[\frac{1}{4}]{(4x + 10)^{\frac{1}{4}}} = \sqrt[\frac{1}{4}]{(9 + 7x)^{\frac{1}{4}}}\\\\4x + 10 = 9 + 7x

Isolate x to solve. Separate the variables and non-variables.

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4x - 4x + 10 = 9 + 7x - 4x          Subtract 4x from both sides

10 = 9 + 3x                

10 - 9 = 9 - 9 + 3x            Subtract 9 from both sides

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8 0
3 years ago
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Answer:

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Step-by-step explanation:

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Note that 2*(-4) = -8

Answer: f(-4) = -12

6 0
3 years ago
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