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Gelneren [198K]
3 years ago
10

Can you check if this is right?

Mathematics
2 answers:
Gala2k [10]3 years ago
7 0
Yes. It is correct :-)
Taya2010 [7]3 years ago
5 0
That looks right if all you were doing was finding how many more you needed than it should be good
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Factorize : y^3 -2y^2 -29y -42
AVprozaik [17]

Answer: (y-7)(y+3)(y+2)

Step-by-step explanation:

y^{3} -2y^{2}-29y-42\\\\(y^{2}-4y-21)(y+2)\\\\(y-7)(y+3)(y+2)\\\\

Hope this helps, have a BLESSED AND WONDERFUL DAY! As well as a great Black History Month and Valentine's day! :-)

- Cutiepatutie ☺❀❤

7 0
3 years ago
30 points ! <br><br> Please answer the question in the picture
vaieri [72.5K]

Answer:

thatl be 5

Step-by-step explanation:

8 0
2 years ago
Find x. Round to the nearest degree.
jeka94

The Law of Cosines features the 3 side lengths of a triangle, plus the measure of the angle opposite one of those sides.


We want angle x, which is opposite the side of length 39.


Then: a^2 = b^2 - 2ab cos C becomes 39^2 = 36^2 + 59^2 - 2(36)(59)cos x


or 1521 = 3481 + 1296 - 2(36)(59) cos x


Subtract (3481+1296) from both sides: 1521 - 4777 = -4248cos x

-3256 = -4248cos x

-3256

Then: cosx = --------------- = 0.766

-4248


Solving for x: x = arccos -0.766 = 0.698 radian, or 40 degrees (answer)

5 0
3 years ago
Wegnerkolmp or someone who can explain maths please<br> I need a proper explanation
umka2103 [35]

Answer: 66 degrees

Explanation:

Check out the attached image below. Figure 1 is the original image without any additions or alterations. Then in figure 2, I extend segment BC to form a line going infinitely in both directions. This line crosses segment DE at point F as shown in the second figure.

Note how angles ABC and DFC are alternate interior angles. Because AB is parallel to DE (given by the arrow markers) this means angle DFC is also 24 degrees

Focus on triangle DFC. This is a right triangle. The 90 degree angle is at C.

So we know that the acute angles x and 24 are complementary. They add to 90. Solve for x

x+24 = 90

x+24-24 = 90-24

x = 66

That is why angle CDE is 66 degrees

6 0
3 years ago
Brandon earns $6 for every shirt he sell.which equation could Brandon use to determine the amount of money he earns for any numb
maw [93]
I got B. Hope it helps 
8 0
3 years ago
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