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Savatey [412]
3 years ago
15

Help me find y........​

Mathematics
1 answer:
Elodia [21]3 years ago
4 0

Answer:

Step-by-step explanation:

a)

the sum of all angles in a quadrilateral must be 360º

y+88+25+35 = 360

y = 360=88-25-35

y = 212º

b)

the sum of all angles in an octagon must be 1080º

45+45+140+140+6y = 1080

6y = 1080-90-280

6y = 710

y = 710/6

y=~ 118,3º

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PLEASEEE ITS DUEEE TODAYYY
dangina [55]

Answer: Hello! The answer would be "8"

Step-by-step explanation:

When using the angle of 135 in each interior it would make a shape with 8 sides :)

7 0
3 years ago
Read 2 more answers
A
quester [9]

Answer:

  • 8 cm

Step-by-step explanation:

<u>Set inequality as per question:</u>

  • 2000 ≤ V ≤ 2500

<u>We know that:</u>

  • V = πr²h
  • h = 10 cm
  • π = 3.14

<u>Substitute and solve for r:</u>

  • 2000 ≤ 3.14*10r² ≤ 2500
  • 2000 / 31.4 ≤ r² ≤ 2500 / 31.4
  • 63.69 ≤ r² ≤ 79.62
  • 64 ≤ r² < 81
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7 0
2 years ago
Lilianna uses 3/4 calories per minute just by sitting. She uses 1 more calorie per minute by walking. Liliana uses a total of 12
Anon25 [30]

Answer:

Variable d represents the time per minute Lilianna spends in the park.

Step-by-step explanation:

Lilianna uses \frac{3}{4} calories per minute just by sitting. She uses 1 more calorie per minute by walking.

Liliana uses a total of 12\frac{1}{4} calories walking to the park.

Lilianna uses the equation, d(\frac{3}{4}+1)=12\frac{1}{4} to represent the situation.

Here, variable d represents the time per minute she spends in the park.

and is given as,

d(\frac{3}{4}+1)=12\frac{1}{4}

It can be written as,

d(\frac{3}{4}+1)=\frac{49}{4}

Solving for d,

d(\frac{3}{4}+1)=\frac{49}{4}

\Rightarrow d(\frac{3+4}{4})=\frac{49}{4}

\Rightarrow d(\frac{7}{4})=\frac{49}{4}

\Rightarrow d=\frac{49 \times 4}{4 \times 7}

\Rightarrow d=7

Thus, she spend d= 7 minutes total to the park.


5 0
3 years ago
I need help on number 8​
tester [92]

Answer:

(-3,5) (-3,4)

5-4/-3--3=1/0

It is a vertical line so it's y∈R

Step-by-step explanation:

5 0
3 years ago
A(-2,-2) B(-1,2) C(2,1) / A (-4,-4) (-2,4) C(4,2)
Vitek1552 [10]

Answer:

umm lettders dont go in math pst this in englash

Step-by-step explanation

yeet

8 0
3 years ago
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