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Vinil7 [7]
2 years ago
8

What’s the area of this rectangle

Mathematics
1 answer:
lesya [120]2 years ago
3 0

Answer:

49/5 mm

Step-by-step explanation:

7/2×14/5

multiply the numerator and denominator

98/10

simplify

49/5 or

9 4/5 mm

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Alexxandr [17]
Rectangular prism and cuboid are same

5 0
2 years ago
Simplify cotø(tanø+cotø)​
Sladkaya [172]

Answer:

\large\boxed{\cot\theta(\tan\theta+\cot\theta)=1+\cot^2\theta=\dfrac{1}{\sin^2\theta}=\csc^2\theta}

Step-by-step explanation:

\text{Use}\\\\\text{distributive property:}\ a(b+c)=ab+ac\\\cot\alpha\tan\alpha=1.\\\\======================\\\\\cot\theta(\tan\theta+\cot\theta)=(\cot\theta)(\tan\theta)+(\cot\theta)(\cot\theta)\\\\=1+\cot^2\theta\\\\\text{If you want next transformation, then use:}\\\\\cot\alpha=\dfrac{\cos\alpha}{\sin\alpha}\\\\\sin^2\alpha+\cos^2\alpha=1\\\\=======================

=1+\left(\dfrac{\cos\theta}{\sin\theta}\right)^2=1+\dfrac{\cos^2\theta}{\sin^2\theta}=\dfrac{\sin^2\theta}{\sin^2\theta}+\dfrac{\cos^2\theta}{\sin^2\theta}=\dfrac{\sin^2\theta+\cos^2\theta}{\sin^2\theta}\\\\=\dfrac{1}{\sin^2\theta}\\\\\text{If you want next transformation, then use:}\\\\\csc\alpha=\dfrac{1}{\sin\alpha}\\\\=\left(\dfrac{1}{\sin\theta}\right)^2=(\csc\theta)^2=\csc^2\theta

4 0
3 years ago
answers to these? i’m sorry it’s a lot but 65 points and brainliest to the first person who answers but they have to be right i’
WARRIOR [948]

Answer:

Do you know Mathwa y it’s a site of math that does all the work for u it even can put words in the problem. I had the same work as u and I did it all there

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
A cat weighs​ 8 1/4​ pounds.
Brilliant_brown [7]

8 1/4 pounds converted to ounces is 132 ounces. 1 pound is 16 ounces, so all you have to do is multiply the number of pounds by 16.

---

sorry if this doesn't help

7 0
3 years ago
What is the vertex of the graph of the function below? y=x^2+6x+5
Maksim231197 [3]

y = x² + 6x + 5

Use the formula: -b/2a

a = 1

b = 6

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= -3

The x-coordinate of the vertex is -3

Plug the x value back into the original equation to find the y-coordinate of the vertex


y = (-3)² + 6(-3) + 5

y = -4


<h3>Answer: (-3,-4)</h3>
8 0
3 years ago
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