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just olya [345]
3 years ago
9

Alive for the equation y-7=8

Mathematics
1 answer:
Sever21 [200]3 years ago
3 0

so what I do is caunt or just add 7 +8 it will equal 15

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0 What is A U B?<br> Set A = 1, 2, 3, 4<br> Set B = 2, 3, 6, 10, 11
Oxana [17]

Answer:

A U B= 1,2,3,4,6,10,11

Step-by-step explanation:

because A union B is all number from set A and set B together without repeating

4 0
3 years ago
What are the solutions of the equation?
yKpoI14uk [10]

Answer:

Option (b) is correct.

The solution of the quadratic equation x^2+4x=21  is -7 and 3

Step-by-step explanation:

Consider the given quadratic equation x^2+4x=21

This can be rewritten as, x^2+4x-21=0

We can solve the quadratic equation using middle term splitting method,

4x can be written as 7x-3x , we get,

\Rightarrow x^2+4x-21=0

\Rightarrow x^2+7x-3x-21=0

Taking terms common, we get,

\Rightarrow  x(x+7)-3(x+7)=0

Thus, \Rightarrow (x-3)(x+7)=0

Thus, we get (x-3)= 0 or (x+7)= 0  

this gives x = 3 or x = -7

Thus, the solution of the quadratic equation x^2+4x=21  is -7 and 3

7 0
3 years ago
2. What are the five components of health and wellness, and how are they defined?​
vitfil [10]

Answer

1. Cardiovascular endurance

2. Muscular strength

3. Muscular endurance

4. Flexibility

5. Body composition

Step-by-step explanation:

6 0
3 years ago
Please help with the question
marysya [2.9K]
I’m pretty sure the answer is A! :)
8 0
3 years ago
Read 2 more answers
A straight line inserted at the origin terminates at the point (6, 7) as it sweeps out an angle θ in standard position. Which of
ELEN [110]
Since the line stops at the point (6, 7), then it means that the height of the triangle made is 7 units and the base is 6 units long.
An angle, θ, is made at the line that joins the origin and the point (6, 7).

tan \theta = \frac{opp}{adj}
tan \theta = \frac{height}{base} = \frac{7}{6}

Hence, tan \theta = \frac{7}{6}
6 0
3 years ago
Read 2 more answers
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