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Lyrx [107]
3 years ago
11

I NEED HELPPPPP!!! Juana is making a triangular hat for a puppet. If two of the three angles of the hat both measure 30 . what i

s the measure of the third angle?
Mathematics
1 answer:
nordsb [41]3 years ago
4 0

The answer is The third angle measures 120 degrees

Step-by-step explanation:

I know this because a triangle has angle sum of 180 and so if you know two of the sides then you can add them together; 30+30 = 60 then substract it from 180; 180-60 and that would equal 120 degrees.

You might be interested in
for what values of a, a polynomial in standard form, equivalent to the product of (x^2+x-1)(x-a), does not contain x^2
xeze [42]

Answer:

a = 1

Step-by-step explanation:

(x²+x-1)(x-1) = x³+x²-x-x²-x+1 = x³-2x+1

3 0
3 years ago
Find the value of x *20 points*
Vlad1618 [11]

Answer:

The answer to your question is x = 40°

Step-by-step explanation:

According to the picture we determine that the triangle to the right is  isosceles so two of its angles are equal.

Remember that the sum of the internal angles in a triangle equals 180°

                            2x° + 100° = 180

- Subtract 100 in both sides

                            2x + 100 - 100 = 180 - 100

- Simplify

                            2x = 80

-Divide both sides by 2

                            2/2 x = 80/2

Simplify and result

                                  x = 40°                                  

7 0
3 years ago
Read 2 more answers
Spencer wants to burn 450 calories while biking. Biking burns about 10 calories per minute. When Spencer goes biking, he usually
kupik [55]

Answer:

The equation  to find the total number of minutes (including rest) that Spencer should plan to be out biking is 10(m-15)=450.

Spencer should plan for 60 minutes  to be out biking.

Step-by-step explanation:

Given:

Total calories need to burn = 450 calories

Calories burn per minute = 10

number of minutes he rest = 15

We need to find the total number of minutes (including rest) that Spencer should plan to be out biking.

Solution:

Let Total minutes of biking be 'm'.

So we can say that.

Calories burn per minute multiplied by the difference of total minutes and number of minutes he rest is equal to Total calories need to burn.

framing in equation form we get;

10(m-15)=450

Hence the equation  to find the total number of minutes (including rest) that Spencer should plan to be out biking is 10(m-15)=450.

On Solving the above equation we get;

First we will divide both side by 10 we get;

\frac{10(m-15)}{10}=\frac{450}{10}\\\\m-15=45

Now adding both side by 15 we get;

m-15+15=45+15\\\\m=60\ minutes

Hence Spencer should plan for 60 minutes  to be out biking.

4 0
3 years ago
Eudora ran from her home to her secret laboratory at an average speed of 12 km/h. She then took one of her jetpacks and flew to
damaskus [11]

Answer:

speed = distance/time

s = 120km/2hr

= 60km/h

3 0
3 years ago
A student heats a crucible and sample of a hydrate as directed in the lab procedure. However, the student removes the crucible f
vampirchik [111]

Answer:

The mass will alter with time as water is absorbed back into the crystals.

Step-by-step explanation:

5 0
3 years ago
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