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dolphi86 [110]
4 years ago
13

Why must a right isosceles triangle have two 45 degree angles ?

Mathematics
1 answer:
Papessa [141]4 years ago
6 0

Answer:

because they add up to 90 and a right angle is 90 itself which would give you 180

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What is the sum of 4+(−3)+(−2) ?
Anika [276]

Answer: -1

Step-by-step explanation: 4 + (-3) = 1             1 + (-2) = -1

8 0
3 years ago
A 14.5-gallon gasoline tank is 3434 full. How many gallons will it take to fill the tank? Write your answer as a mixed number.
max2010maxim [7]
This is a multiplication of fractions.  If the tank is 3/4 full, and the tank holds 14.5 gal, then we need to multiply 14.5 * 3/4 First, convert 14.5 to 14 1/2 = 29/2 as an improper fraction Now, we have 29/2 * 3/4 = 87/8 = 10 7/8 gal That's how much gas is in the tank now. However, we want to know how much is needed to fill the tank. That can be determined by subtracting 10 7/8 from the amount that the tank can hold when full, which is 14.5 or 14 1/2. 14 1/2 - 10 7/8 can be re-written using improper fractions 29/2 - 87/8       We need a common denominator, which is 8 116/8 - 87/8 = 29/8 = 3 5/8 gal That's how much is needed to fill the tank
6 0
4 years ago
Translate triangle p by vector 2 -7
NikAS [45]

Answer:  triangle p by vector 2 -7

ਵੈਕਟਰ 2 -7 ਦੁਆਰਾ ਤਿਕੋਣ ਪੀ

6 0
3 years ago
explain how you could use the greatest common factor of 8 and 20 in the distributive property to write 8 + 20 as a product​
GenaCL600 [577]

Answer: 4(5+2) or 4(2+5)

Step-by-step explanation:

8 = 2*2*2

20 = 2*2*5

4(5+2) = 20+8

6 0
3 years ago
In the evening, the temperature is 28 degrees. By midnight it has dropped 31 degrees lower. Between midnight and 4 am it goes do
dalvyx [7]

Answer: 21 degrees

Step-by-step explanation:

In the evening, the temperature is 28 degrees and by midnight it has dropped 31 degrees lower, the temperature by midnight will be:

= 28° - 31°

= -3°

Between midnight and 4 am it goes down 6 more degrees. The temperature by 4am will be:

= -3° - 6°

= -9°

Then, by 9 am, the temperature goes up 30 degrees, the temperature at 9 am will then be:

= -9° + 30°

= 21°

4 0
3 years ago
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