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yarga [219]
2 years ago
9

Which one is correct?

Mathematics
2 answers:
JulijaS [17]2 years ago
6 0

Answer:

85 (D.)

Step-by-step explanation:

The sum of all the degrees in a quadrilateral is 360, and since a triangle is half of a quadrilateral, the sum of the degrees in a triangle is 180.

With the given information, we can create the equation:

40+55+x=180

Simplifying on the left side gives us:

95+x=180

Subtracting 95 from both sides gives us:

x=85

<u>Therefore, the solution to your problem is 85.</u>

Hope this helped!

ddd [48]2 years ago
3 0

Answer:

85°

Step-by-step explanation:

Just add the known angles and subtract them from 180 to get the missing angle.

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How many lines of symmetry does this figure have?
san4es73 [151]

Answer:

1 line of symmetry through the middle making 2 v s

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Remember to explain your answer to receive full credit.
Sidana [21]

Answer:

1.) If you did 3 scoops of ice-cream and 2 cups of milk you would have 2 times the amount of milk and only 1 1/2 times the amount of ice-cream then if you did 1 cup of milk and 2 scoops of ice-cream.

(I'm not too sure about number two..)

8 0
2 years ago
4) How much pizza sauce is needed to cover a 16" pizza? (Note: 16" is the diameter of the pizza.) A) 50.24 in2 B) 200.96 in2 C)
never [62]
In order to get how much is being covered, we need to know the formula of the area of a circle.
Area = pi * r^2
Area = pi * (16/2)^2
Area = pi * 8^2
Area = pi * 64
Area = 200.96 in^2

So the correct answer is letter B. 200.96 in^2
4 0
3 years ago
⚠️ANSWER NEEDED QUICK, SHOW WORK TOO⚠️
KATRIN_1 [288]

Answer:

28+28=56 so 28 and 28 and the bottom will be 56

6 0
2 years ago
Help me please..... please
Oksana_A [137]

Answer:

general rule Un=1.8n-21

U100=1.8(100)-21=159

Step-by-step explanation:

a5=a+4d,  a5=-12

a10=a+9d,  a10=-3

-12=a+4d

-3=a+9d subtract the system of equations

-9=-5d solve for d

d=1.8

substitute d into first equation to find a

-12=a+4(1.8)

a=-19.2

un. = a + (n − 1)d

Un=-19.2+(n-1)(1.8)

Un=1.8n-21

7 0
3 years ago
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