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Alik [6]
2 years ago
5

Can someone help me solve for y and x and find out the angles of all the angles visable

Mathematics
1 answer:
amm18122 years ago
7 0

Answer:

x = 10 , y = 15

Step-by-step explanation:

8x - 10 and 7x are alternate angles and are congruent , then

8x - 10 = 7x ( subtract 7x from both sides )

x - 10 = 0 ( add 10 to both sides )

x = 10

Then

8x - 10 = 8(10) - 10 = 80 - 10 = 70

6y + 20 and 8x - 10 are same- side interior angles and sum to 180°, that is

6y + 20 + 70 = 180

6y + 90 = 180 ( subtract 90 from both sides )

6y = 90 ( divide both sides by 6 )

y = 15

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20 POINTS / WILL GIVE BRAINLIEST
padilas [110]

Answer: Total Volume =  15π + 18 π= 33π cubic mm

Step-by-step explanation:

What is the volume of the composite figure? Leave the answer in terms of π.

_33π mm3

We have a cone here conjoined to a semi-sphere.

so

Cone volume:  C = (1/3)*(πr^2) * h

semi-sphere volume :  V = (1/2)* (4/3) * (π * r^3)

r = 3 mm  and  h = 5mm

so   C = (1/3)*(π  (3)^2) * 5 =  15π  cubic mm

V = (1/2)* (4/3) * (π * 3^3) = 18 π cubic mm

Total Volume =  15π + 18 π= 33π cubic mm

3 0
3 years ago
How do you write 0.000056 in scientific notation?
anygoal [31]
5.6 × 10^-5 = 0.000056
8 0
3 years ago
⚠️HELP PLZZZ ⚠️‼️help plz I’ve been on this question for an while now and I don’t understand
NemiM [27]

Answer:

3:6

Step-by-step explanation:

8:24 and 24:72 reduce down to 1:3. 3:6 is 1:2.

6 0
2 years ago
Z\10 = -12 solve for z
shutvik [7]

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z=-120

Step-by-step explanation:

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5 0
2 years ago
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AleksAgata [21]

Answer:

-1

Step-by-step explanation:

We can use the slope formula to find the slope

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6 0
3 years ago
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