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sammy [17]
3 years ago
7

in triangle TVY the measure of angle T is 20 The measure of angle V is 25 The measure of angle W Is 135 what is combined measure

s of three angles
Mathematics
1 answer:
Akimi4 [234]3 years ago
6 0

Answer:

The answer is 180°

Step-by-step explanation:

Replace the variables in with your angle measurements and add them up. Triangles should end up with a 180° all combined.

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Suppose x=7 is a solution to the equation 4x-2(x+a)=8 how can you find the value of a that make the equation true
marta [7]

Answer:

a = 3

Step-by-step explanation:

Since x = 7 is a solution, substitute x = 7 into the equation and solve for a

4(7) - 2(7 + a) = 8 , that is

28 - 2(7 + a) = 8 ( subtract 28 from both sides )

- 2(7 + a) = - 20 ( divide both sides by - 2 )

7 + a = 10 ( subtract 7 from both sides )

a = 3

8 0
2 years ago
Find two solutions to the equation (x^3 − 64)(x^5 − 1) = 0.
Rashid [163]

Answer:

the two roots are x = 1 and x = 4

Step-by-step explanation:

Data provided in the question:

(x³ − 64) (x⁵ − 1) = 0.

Now,

for the above relation to be true the  following condition must be followed:

Either  (x³ − 64) = 0 ............(1)

or

(x⁵ − 1) = 0 ..........(2)

Therefore,

considering the first equation, we have

(x³ − 64) = 0

adding 64 both sides, we get

x³ − 64 + 64 = 0 + 64

or

x³ = 64

taking the cube root both the sides, we have

∛x³ = ∛64

or

x = ∛(4 × 4 × 4)

or

x = 4

similarly considering the equation (2) , we have

(x⁵ − 1) = 0

adding the number 1 both the sides, we get

x⁵ − 1 + 1 = 0 + 1

or

x⁵ = 1

taking the fifth root both the sides, we get

\sqrt[5]{x^5}=\sqrt[5]{1}

also,

1 can be written as 1⁵

therefore,

\sqrt[5]{x^5}=\sqrt[5]{1^5}

or

x = 1

Hence,

the two roots are x = 1 and x = 4

4 0
3 years ago
15 liters increased by 60% is
Nostrana [21]
Your answer is:
15 litters increased by 60% is 24 litters
7 0
3 years ago
Read 2 more answers
What is the scale factor of △TOE to △CUP? <br><br>A. 1/3 <br><br>B. 5/9 <br><br>C. 9/5 <br><br>D. 3
lana [24]

Answer:

3

Step-by-step explanation:


5 0
3 years ago
There are 100 people in a sport centre. 67 people use the gym. 62 people use the swimming pool. 56 people use the track. 38 peop
Anarel [89]

Answer:

  • 0.3 or 30%

Step-by-step explanation:

<u>Number of people using more than one sport facility:</u>

  • 38 - gym and pool
  • 31 - pool and track
  • 33 - gym and track
  • 16 - all three

<u>Since 16 is counted for all three, total number of those using more than one facility is therefore:</u>

  • 38 + 31 + 33 - 16*2 = 70

<u>Number of people using exactly one facility is:</u>

  • 100 - 70 = 30

<u>Probability of the person using exactly one facility is:</u>

  • 30/100 = 0.3 or 30%
5 0
2 years ago
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