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Ann [662]
3 years ago
7

Help me with my homework, please

Mathematics
1 answer:
loris [4]3 years ago
3 0

Answer:

150°

Step-by-step explanation:

We know each angle in a equilateral triangle is 60° and that of a rectangle is 90° . So ,

\implies \angle ABC = \angle DBC + \angle ABD \\\\\implies \angle ABC = 90^o + 60^o \\\\\implies \boxed{\boxed{ \angle ABC = 150^o }}

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Is the equation -2(4-x)=2x+8 an identity
baherus [9]
The answer to the question is no

4 0
4 years ago
If you divided 48 objects into sets of 7, how many sets of 7 could you make, and how many are left over?
Klio2033 [76]

Answer:

6

Step-by-step explanation:

No. objects in one set = 7

Let there be n set

Then, No. objects in n set = 7*n = 7n

Given that total  no of objects are 48

Thus,

7n = 48

n = 48/7 = (42+6)/7 = 42/7 + 6/7 = 6 + 6/7

n = 6 + 6/7

Thus, there will be 6 set which has 7 objects. fraction means one set is fraction 6/7 but set cannot be in fraction hence negating it.

Now, total objects in 6 sets = 6*7 = 42.

No. of objects left = 48 - 6 = 6

8 0
4 years ago
Find the value of y, please explain how and give the answer!
Gnoma [55]
You would do 3x+90=180 because a straight line equals 180°. then you find x=30. then x and z add to get 180 because x fits in the slot above z so 180-30 equals 150°. if z equals 150° then 180-150 equals 30. so x=30,y=15, and z=150
5 0
4 years ago
Complete the sentence below.<br> If 8^x= 8^3, then x =
Nesterboy [21]

Answer:

Chapter 8; 8.3 Is the sentence ∃ x, y x=y valid? Explain. 8.3 The sentence ∃ x,y x = y is valid. A sentence is valid if it is true in every model. An existentially quantified sentence is true in a model if it holds under any extended interpretation in which its variables are assigned to domain elements.

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Help please!!!<br> √−100 = + i
Semmy [17]

Answer:

\sqrt{-100}=10i

Step-by-step explanation:

If you're asking what is \sqrt{-100}:

\sqrt{-1}\sqrt{100}\\\sqrt{100}i\\10i

Otherwise, \sqrt{-100}=i is not true.

3 0
4 years ago
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