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Bad White [126]
2 years ago
9

Find the length of the third side. If necessary, write in simplest radical form.

Mathematics
1 answer:
Furkat [3]2 years ago
3 0

Answer:

7

Step-by-step explanation:

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What is y in 4.58 + y = 2.5
SCORPION-xisa [38]

Answer:

y= 2.08

Step-by-step explanation:

4.58 - 2.5

 4.58

- 2.50

-----------

2.08

8 0
3 years ago
Read 2 more answers
Subtract. (5x2−3x−2)−(−2x2−x+10) Express the answer in standard form. Enter your answer in the box.
Nimfa-mama [501]

Answer:

7x^{2}-2x-12=0

Step-by-step explanation:

we know that

The standard form of the quadratic equation is equal to ax^{2} +bx+c=0

we have

(5x^{2}-3x-2)-(-2x^{2}-x+10)

eliminate the parenthesis

5x^{2}-3x-2+2x^{2}+x-10

group terms that contain the same variable

(5x^{2}+2x^{2})+(-3x+x)+(-2-10)

combine like terms

7x^{2}-2x-12=0

5 0
4 years ago
Read 2 more answers
Given that sectheta = -37/12 what is the value of cottheta for pi/2 < theta< pi?
lys-0071 [83]

Answer:

cotg(\theta) = -\frac{12}{35}

Step-by-step explanation:

The cotangent of theta is:

cotg(\theta) = \frac{\cos{\theta}}{\sin{\theta}}

For pi/2 < theta< pi

This means that the angle is in the second quadrant. In the second quadrant, the cosine is negative and the sine is positive. This means that the cotangent will be negative.

Secant:

sec(\theta) = \frac{1}{\cos{\theta}}

In this question

sec(\theta) = -\frac{37}{12}

So

-\frac{37}{12} = \frac{1}{\cos{\theta}}

Using cross multiplication

-37\cos{\theta} = 12

37\cos{\theta} = -12

\cos{\theta} = -\frac{12}{37}

Now we apply the following trigonometric identity:

\sin{\theta}^{2} + \cos{\theta}^{2} = 1

\sin{\theta}^{2} + (-\frac{12}{37})^{2} = 1

\sin{\theta}^{2} = 1 - (-\frac{12}{37})^{2}

\sin{\theta}^{2} = 1 - \frac{144}{1369}

\sin{\theta}^{2} = \frac{1369 - 144}{1369}

\sin{\theta} = \pm \sqrt{\frac{1225}{1369}}

Since the angle is in the second quadrant, the sine is positive.

\sin{\theta} = \frac{35}{37}

Finally, the cotangent:

cotg(\theta) = \frac{\cos{\theta}}{\sin{\theta}}

cotg(\theta) = \frac{-\frac{12}{37}}{\frac{35}{37}}

cotg(\theta) = -\frac{12}{35}

4 0
4 years ago
Read 2 more answers
Please help me!!<br> multiple choice
Dimas [21]
To find out how many gram the puppy increase each day,here's what we can do:

weight of day 4 - weight of day 2
=365 - 305
=60g

To comfirm,we can use another pair
weight of day 4 - weight of day 2
=485-425
=60g

From the above,we can see that the puppy increase 60 grams each two days,meaning that it would increase 60÷2=30 gram each day.

We can then find its weight of age of 5 days:
365+30
=395g

Thus the answer is D.395

Hope it helps!
5 0
4 years ago
Read 2 more answers
Help me please.......
worty [1.4K]

Answer:

Mean

Step-by-step explanation:

The mean is usually used when the dot plots, or histograms, are symmetrical and have no outliers.

7 0
3 years ago
Read 2 more answers
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