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Brut [27]
3 years ago
10

25 POINTS QUICK!!! could someone please help me with these two problems?? and possibly explain?? i need work too please! 25 POIN

TS

Mathematics
2 answers:
Mila [183]3 years ago
8 0
A.

4x+10=6x
-4x. -4x
——————-
10=2x
— —
2x 2x
= 5. The 2xs cancel out
* the sum of 2 angles =90 degrees


B

5x+13 = 3x+7
Subtract 3x on both sides ( always the less amount gets subtracted )
5x-3x =2x +13
3x-3x cancels out so you get +7
Now you have the equation 2x+13=7
-13 - 13
Subtract 13 to both sides ( opposite )
2x = 6
Divide by 2 and your answer is 6.





svet-max [94.6K]3 years ago
6 0

Answer:

the first one A the sum of the angles are 10x+10 For the second one B the sum wud be 8x+20

Step-by-step explanation:

you juts add them all together


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I need help with this <br><br> 10 points <br><br> Pls pls pls someone come help me
Vikki [24]

Answer:

angle b is 62 degrees. This is because if we solve for x, by putting the 2 equations equal to each other(because they are vertical angles), than we figure out that x=6. Now plug that into angle b's equation, and you get 62 degrees.

Step-by-step explanation:

7 0
3 years ago
Find A, given that a = 18.2, B=62°, and C= 48°. Round to the nearest whole degree.
fomenos

Answer:

Step-by-step explanation:

If we are given angles B and C, then all we have to do is add them together and then subtract that from 180 since all the angles of a triangle have to add up to equal 180.

62 + 48 = 110

180 - 110 = 70

Angle A = 70°

5 0
3 years ago
The last question I couldn't fit
Valentin [98]

Answer:

GOOD LUCK! NYAYAYAYAYAYA

7 0
2 years ago
What does this equal?
anzhelika [568]
It should be about 22.55.
4 0
3 years ago
Whats the Diameter? I really need help understanding this
Arada [10]

Answer:

1.8 in.

Step-by-step explanation:

Hi there!

<u>1) Determine the radius of the base</u>

V=\frac{1}{3} \pi r^2h where r is the radius of the base and h is the height of the cone

Plug in the known values (h=4.2, V=3.6)

3.6=\frac{1}{3} \pi r^2(4.2)

Isolate r; divide both sides by 4.2

\frac{3.6}{4.2} =\frac{1}{3} \pi r^2\\\frac{6}{7} =\frac{1}{3} \pi r^2

Multiply both sides by 3

\frac{6}{7}*3 =\pi r^2\\\frac{18}{7}=\pi r^2

Divide both sides by π

\frac{18}{7\pi }=r^2

Take the square root of both sides

\sqrt{\frac{18}{7\pi }} =r

<u>2) Determine the diameter</u>

Now that we have the radius, to find the diameter, multiply r by 2:

d=\sqrt{\frac{18}{7\pi }}*2\\d=1.8

Therefore, the diameter is 1.8 in. when rounded to the nearest tenth.

I hope this helps!

3 0
3 years ago
Read 2 more answers
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