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poizon [28]
3 years ago
11

Which of the following is not true?

Mathematics
2 answers:
vovikov84 [41]3 years ago
7 0

Answer:

B: m∠1 + m∠3 = m∠2

Step-by-step explanation:

The sum of a triangle is 180° so all of the angles in the triangle are equal to 180°. It is not possible for 2 of the angles in a triangle to be equal to the other angle in the triangle.

Hope This Helps :)

sergejj [24]3 years ago
3 0

Answer:

\huge\boxed{B}

Explanation:

Hi there!

A) m\angle1 + m\angle3 = m\angle6\\

B) m\angle1+m\angle3=m\angle2

C) m\angle2+m\angle3=m\angle5

D) m\angle1 + m\angle2 = m\angle4

Let's start with a

How would m\angle1 + m\angle3 = m\angle6\\ ?

Well, m\angle1 and m\angle3 are inside the triangle, and m\angle6 is right across from it (see image provided with question), which means they are remote interior angles, meaning this statement is correct. A is not the answer.

How would m\angle1+m\angle3=m\angle2?

There is no rule that 2 angles in a triangle have to add up to the other one, so this statement is incorrect. B is the answer. Let's make sure none of the others are incorrect as well.

How would m\angle2+m\angle3=m\angle5?

Just like A, this is another case of remote interior angles, where m\angle2+m\angle3=m\angle5.  This option is correct due to this proof.

How would m\angle1+m\angle2=m\angle4?

Another case of remote interior angles as you can see from the image, which means that this equation is correct.

The correct answer is B, as that is the only statement that is false.

\huge\boxed{B}

Hope this helps :)

Let me know if you have any questions!

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How many moles are in 59.75 grams of water?
Orlov [11]

Answer:

n = 3.3167 moles

Step-by-step explanation:

The number of mole in water

H2O

n = m/Mm

n = number of mole

m = number of mass

Mm = number of molar mass

Given :

Mass = 59.75g

Mm of H2O

H - 1.00784

O - 15.999

Mm

H = 2 * 1.00784 = 2.01568

O = 15.999

Mm of H2O = 15.999 + 2.01568

= 18.01468

insert the values into the formula

n = m/Mm

n = 59.75/18.01468

= 3.3167moles

7 0
3 years ago
Isaac drove at an average speed of 49 mph over 6 hours during the first three hours he drove at a speed that was 172 mph less th
IgorC [24]

Isaac drove the car at 44 mph during last three hours.

Step-by-step explanation:

Average speed = 49 miles per hour

Let,

s be the speed during last three hours

4s-172 be the speed during first three hours

Average = \frac{Sum\ of\ items}{No.\ of\ items}

49=\frac{4s-172+s}{2}\\\\49*2=5s-172\\\\98=5s-172\\\\98+172=5s\\\\270=5s\\\\5s=270

Dividing both sides by 5

\frac{5s}{5}=\frac{270}{5}\\\\s=54

Speed during last three hours = 54 mph

Speed during first three hours = 4(54)-172 = 44 mph

Isaac drove the car at 44 mph during last three hours.

Keywords: division, addition

Learn more about addition at:

  • brainly.com/question/13218251
  • brainly.com/question/1322653

#LearnwithBrainly

5 0
3 years ago
Ishaan is 72 years old and William is 4 years old. How many years will it take until Ishaan is only 5 times as old as William?
Arturiano [62]
It would take 11 years
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3 years ago
A businessman exchanged Rs 8,40,000 into pound sterling at the rate of £1 Rs 140. After one day, Nepali currency is revaluated b
Svetlanka [38]

Step-by-step explanation:

if vector a=2i-j-2k. b=3i-4k and c= i-5j+3k are given. find a, a+2b-4c b, component of c in the direction of a c. component of c in the direction of b. d, a. (bxc) and( axb) c and verify that they are equal ?

4 0
1 year ago
X² + 23x + 132 factorise ​
Serga [27]

Answer:

Step-by-step explanation:

X^2 +23x+132=0 you find two numbers that will multiply to give 132 and add to give 23

In this case the two numbers will be +12 and also +11

12*11=132 and +12+11 =23

X^2 + 12x +11x +132=0

Factor by grouping

X(x+12)+11(x+12) =0

(X+11) (x+12)=0

X +11=0

So x=-11

X+12=0

So x-12

There your solution will be

X=-11 or -12

8 0
3 years ago
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