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2 years ago

5

Sammy is trying to determine how many triangles she can crate out of a square grid that has a side of 10 inches. Use the image b

elow to determine the area of the triangle and how many she can cut out:

2 answers:

luda_lava [24]2 years ago

8 0

The Area of that is 25 and yes they can cut out 4

san4es73 [151]2 years ago

5 0

Answer:

Area is 25 and she can cut out 4

Step-by-step explanation:

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Determine the sum of the first 9 terms in the geometric series where r= -0.25 and a1= 256.

Damm [24]

$\bf \qquad \qquad \textit{sum of a finite geometric sequence} \\\\ S_n=\sum\limits_{i=1}^{n}\ a_1\cdot r^{i-1}\implies S_n=a_1\left( \cfrac{1-r^n}{1-r} \right)\quad \begin{cases} n=n^{th}\ term\\ a_1=\textit{first term's value}\\ r=\textit{common ratio}\\ ----------\\ r=-0.25\\ a_1=256\\ n=9 \end{cases}$

$\bf S_9=256\left(\cfrac{1-(-0.25)^9}{1-(-0.25)} \right)\implies S_9=256\left( \cfrac{1+0.25^9}{1+0.25} \right) \\\\\\ S_9=256\left( \cfrac{52429}{65536}\right)\implies S_9=\cfrac{52429}{256}\implies S_9=204.80078125$

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2 years ago

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Lashonda started to run on a treadmil, after setting it's timer for 64 minutes, The display states that she has finnished 68% of

Lynna [10]

Step-by-step explanation:

It is 64*0.32=20.48 minutes or 20.5 minutes.

6 0

2 years ago

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Correct answer will be marked brainliest<br><br>find the value of x<br>4x + 2 = 8

amid [387]

Answer: x = 6/4

Step-by-step explanation:

4x + 2 = 8

4x = 6

x = 6/4 or 1 1/2

Hope this helped :)

3 0

2 years ago

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The two-way table shows the number of students in a school who have rabbits and/or birds as pets:

SashulF [63]

Answer:

3

Step-by-step explanation:

There are a total of 18+22 = 40 people with birds. There are a total of 18+25 = 43 people with rabbits.

This is a difference of 43-40 = 3 people.

3 0

3 years ago

Please answer thanks u

kherson [118]

Answer: A is the answer

Explanation: A plane consist of 3 point but it can also be called by one specific point. And in the figure A there is one specific point. We can call it plane A

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3 years ago