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sammy [17]
2 years ago
8

PLEASE HELPPP ASAP!!! Imagine that you have been asked to write a letter to a 7th grader. Using academic vocabulary and 5-7 comp

lete sentences, write a letter teaching a 7th grader about something you have learned in 8th grade Math this year.
Mathematics
2 answers:
Snowcat [4.5K]2 years ago
6 0

Answer:

Step-by-step explanation:

Address of the sender,

City- Pincode

Date

Dear (Name),

Hope you're doing well,

I enjoyed 8th grade math this year. It was really fun to learn new things. (Write some things you learnt and whether or not you liked them). I hope that when you reach 8th grade, you enjoy Math too.

Sincerely,

(Your Name)

victus00 [196]2 years ago
4 0

Answer:

12mn

Step-by-step explanation:

21mn21mn12mn12mn12mn21mn21mn21mn12mn

yw

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x = 10.22 in

Solution:

Width of the figure = x in

Length of the figure = (2x + 5) in

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<u>To find the value of x:</u>

<em>Area of the figure = length × width</em>

length × width = 260

(2x + 5) × x = 260

2x^2+5x=260

Subtract 260 from both sides of the equation.

2x^2+5x-260=0

Factor the above quadratic expression.

Quadratic equation formula:

$x=\frac{-b \pm \sqrt{b^{2}-4 a c}}{2 a}

$x=\frac{-5 \pm \sqrt{5^{2}-4 \cdot 2(-260)}}{2 \cdot 2}

$x=\frac{-5 \pm \sqrt{2105}}{4}

$x=\frac{-5+\sqrt{2105}}{4}, \  x=\frac{-5-\sqrt{2105}}{4}

x = 10.22,   x = –12.72006

Dimension of the figure cannot be measured in negative terms.

Hence x = 10.22 in.

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Montano1993 [528]

Answer:

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Step-by-step explanation:

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