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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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Prove that if a and b are positive integers whose sum is a prime p, their greatest common divisor is 1.

Tasya [4]

Proof by contadiction.

Let assume there exist such positive integers $a$ and $b$ whose sum is a prime number $p$ , that their greatest common divisor is greater than 1.

$a,b\in\mathbb{Z^+}\\d=\text{gcd}(a,b)>1\\\\a=de\\b=df\\e,f\in\mathbb{Z^+}\\\\a+b=p\\de+df=p\\d(e+f)=p\\$

Since $p$ is a prime number and $d>1$ , then $d=p \wedge e+f=1$ , but we assumed earlier that $e,f\in\mathbb{Z^+}$ , and there are no two positive integers that sum up to 1.

q.e.d.

7 0

2 years ago

What is the value of r2s for r=10 and s=2?

mezya [45]

Hey there!

<h2>10(2)(2) </h2><h2>10(2) = 20</h2><h2>20(2) = 40</h2><h2>Thus, your answer is: 40</h2>

Good luck on your assignment and enjoy your day!

~LoveYourselfFirst

3 0

2 years ago

PLEASE HELP WITH QUESTION C

GalinKa [24]

Answer:

Discount: 25%

Tax: 6.5%

Step-by-step explanation:

Percentage of discount:

x/100 = 10/39.99 (what percentage is 10 of 39.99) (%/100=is/of)

= 25%

Percentage of tax:

x/100 = 1.95/29.99

= 6.5%

8 0

2 years ago

Iliana’s math grade increased from 65 to 86. Fiona’s math grade increased from 70 to 80. What is the difference, rounded to the

boyakko [2]

I-F=100(86-65)/65 - 100(80-70)/70 = 18%

Iliana's increase was 18% more than Fiona's increase.

5 0

2 years ago

Read 2 more answers

7! What does this mean?

7nadin3 [17]

Answer:

5040

Step-by-step explanation:

7!

= 1 × 2 × 3 × 4 × 5 × 6 × 7

= 5040

5 0

3 years ago