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Fiesta28 [93]
2 years ago
8

Helpp please nobody has answered any of my 3 and i dont have much time go to my profile and find em

Mathematics
1 answer:
VikaD [51]2 years ago
3 0

Answer:

OK I will try

Step-by-step explanation:

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130% of the sum of 7 and a number n is equal to 91.
dybincka [34]
130\%(7+n)=91 \\
1.3(7+n)=91 \\
7+n=\frac{91}{1.3} \\
7+n=70 \\
n=70-7 \\
n=63
4 0
3 years ago
Read 2 more answers
What is sin B ?
Neporo4naja [7]

Answer:

The answer to your question is sin B = \frac{8}{17}

Step-by-step explanation:

Sine is the trigonometric function that relates the opposite side and the hypotenuse.

In the picture, we have the hypotenuse and the adjacent side, so we must calculate the opposite side using the Pythagorean theorem.

                b² = c² - a²

                b² = 17² - 15²

                b² = 289 - 225

                b² = 64

               b = 8

Now, we can calculate the sine

               sin B = \frac{opposite side}{hypotenuse}

               sin B = \frac{8}{17}

3 0
2 years ago
Which of the following is the greatest common factor of 38 and 57?
Ivenika [448]

the answer is 19

hope this helps.

7 0
3 years ago
Read 2 more answers
Over the last week,the daily low temperatures in degrees Fahrenheit have been -4,6.2,18 1/2,-5.9,21,-1/4,1.75.List these numbers
Anit [1.1K]

-5.9, -4.6, -1/4, 1/2, 1.75, 2, 18, 21.

8 0
2 years ago
I don't understand this plz help explain how to do it
podryga [215]

Answer:

1. U. 190

2.U. 155

3. U. 240

Step-by-step explanation:

Explanation: To find an angle of a triangle we add the angles we know about

EXAMPLE: 50 + 120. We need to find the third angle.

We know that Angles of triangles should add up to 360

So to find the third angle we add the angle we know about.

EXAMPLE: 50 + 120 = 170 then we Subtract the sum of a triangle *360*

EXAMPLE: 50 + 120 = 170

EXAMPLE: 170 - 360

EXAMPLE: = 190

That's how we find a third angle!

If this doesn't clarify how do to it enough just let me know and i can try to explain more in detail!

Hope this helps you!!!

Have a nice day!

6 0
3 years ago
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